$149+ Cheap flights from Chicago (CHI) to San Francisco (SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago to San Francisco are usually found in September or October, booked 84 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Chicago to San Francisco
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Cheapest flights from Chicago to San FranciscoExplore the most affordable flight options available from Chicago to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Chicago to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:07 am -
1 stop9h 31m
Tue 12/811:44 pm -
1 stop9h 49m
Deal found 11/2![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:15 am -
2 stops12h 33m
Sat 12/58:32 pm -
1 stop6h 29m
Deal found 11/1![Frontier logo]()
$287
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/301:11 pm -
1 stop11h 54m
Wed 1/611:58 pm -
1 stop14h 28m
Deal found 11/2![Frontier logo]()
$288
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:00 pm -
1 stop24h 25m
Tue 11/247:11 pm -
1 stop7h 59m
Deal found 11/2![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:09 am -
1 stop9h 29m
Wed 11/2511:26 pm -
1 stop10h 55m
Deal found 11/1![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:21 am -
1 stop7h 05m
Tue 12/224:11 pm -
1 stop11h 38m
Deal found 11/1![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/181:11 pm -
1 stop11h 54m
Wed 12/3012:53 am -
1 stop9h 17m
Deal found 11/1![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:30 am -
1 stop9h 08m
Thu 12/3111:23 am -
1 stop11h 03m
Deal found 11/1![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3112:27 pm -
1 stop20h 37m
Wed 1/69:10 pm -
1 stop12h 42m
Deal found 11/1![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:40 am -
2 stops13h 04m
Tue 1/511:25 am -
1 stop11h 01m
Deal found 10/30![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1210:40 am -
1 stop24h 36m
Fri 1/226:30 pm -
2 stops15h 43m
Deal found 11/2![Frontier logo]()
$292
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:05 am -
Nonstop5h 12m
Thu 12/31:54 pm -
Nonstop4h 26m
Deal found 11/2![American Airlines logo]()
$292
Best flights from Chicago to San FranciscoDiscover carefully curated flight deals from Chicago to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Chicago to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:25 am -
Nonstop4h 50m
Thu 12/1011:40 pm -
Nonstop4h 19m
Deal found 11/3![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/610:00 am -
1 stop6h 15m
Fri 1/86:20 am -
Nonstop4h 05m
Deal found 11/3![Southwest logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/312:27 pm -
2 stops52h 59m
Sun 1/1011:59 am -
1 stop22h 24m
Deal found 11/3![Multiple Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:12 pm -
1 stop8h 47m
Mon 12/1411:39 pm -
1 stop7h 16m
Deal found 11/1![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:13 pm -
1 stop9h 07m
Thu 12/108:20 am -
1 stop8h 40m
Deal found 11/1![Alaska Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/299:02 pm -
1 stop11h 55m
Mon 1/410:21 pm -
2 stops38h 52m
Deal found 11/2![Multiple Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/163:00 pm -
Nonstop4h 55m
Tue 12/225:00 am -
Nonstop4h 28m
Deal found 11/2![United Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2210:25 pm -
Nonstop4h 55m
Mon 12/282:05 pm -
1 stop8h 35m
Deal found 11/1![Southwest logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/81:13 pm -
2 stops24h 51m
Sun 1/1011:59 am -
1 stop22h 24m
Deal found 10/30![Multiple Airlines logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
1 stop11h 47m
Sun 12/132:49 pm -
1 stop7h 10m
Deal found 11/1![Alaska Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:05 pm -
Nonstop4h 50m
Sun 12/1311:35 pm -
Nonstop4h 25m
Deal found 10/30![Southwest logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:22 pm -
2 stops11h 42m
Wed 12/26:30 pm -
1 stop15h 27m
Deal found 11/3![Multiple Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:02 pm -
1 stop10h 42m
Mon 12/711:39 pm -
1 stop7h 16m
Deal found 11/3![Delta logo]()
$438
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:00 pm -
2 stops8h 00m
Fri 11/275:40 am -
Nonstop4h 05m
Deal found 11/1![Southwest logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/299:02 pm -
1 stop11h 55m
Wed 1/69:10 pm -
1 stop12h 42m
Deal found 11/3![Multiple Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:00 am -
2 stops14h 55m
Mon 12/289:36 pm -
1 stop13h 43m
Deal found 11/1![Alaska Airlines logo]()
$402
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:40 am -
Nonstop4h 54m
Wed 12/233:00 pm -
Nonstop4h 33m
Deal found 10/30![United Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3112:27 pm -
2 stops10h 59m
Sun 1/1011:59 am -
1 stop22h 24m
Deal found 11/3![Multiple Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:00 am -
Nonstop5h 01m
Sat 1/94:52 pm -
Nonstop4h 23m
Deal found 10/31![United Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:00 am -
2 stops11h 46m
Tue 12/221:00 pm -
1 stop8h 59m
Deal found 11/3![Alaska Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:02 pm -
1 stop11h 55m
Tue 12/298:44 am -
1 stop9h 28m
Deal found 11/3![Multiple Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:15 am -
1 stop7h 35m
Fri 12/48:00 am -
1 stop7h 30m
Deal found 10/30![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:00 pm -
Nonstop4h 54m
Thu 12/2410:34 pm -
Nonstop4h 23m
Deal found 11/3![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/239:29 am -
1 stop11h 47m
Mon 12/2811:59 pm -
1 stop9h 02m
Deal found 10/31![Delta logo]()
$505
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:30 pm -
Nonstop4h 50m
Fri 11/277:00 am -
Nonstop4h 29m
Deal found 11/3![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/298:55 am -
1 stop6h 55m
Mon 1/47:45 pm -
1 stop6h 40m
Deal found 11/1![Southwest logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:55 pm -
1 stop15h 51m
Wed 12/26:30 pm -
1 stop15h 27m
Deal found 11/1![Multiple Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:20 pm -
Nonstop5h 04m
Wed 11/2510:45 pm -
Nonstop4h 17m
Deal found 11/1![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:15 pm -
2 stops8h 40m
Sat 12/268:50 pm -
1 stop6h 50m
Deal found 10/31![Southwest logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:27 pm -
2 stops10h 59m
Mon 12/217:11 pm -
1 stop23h 01m
Deal found 10/31![Multiple Airlines logo]()
$383
Last-minute flights from Chicago to San FranciscoDiscover last-minute flight deals from Chicago to San Francisco. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to San Francisco. Data last updated November 4, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:00 pm -
1 stop24h 25m
Tue 11/247:11 pm -
1 stop7h 59m
Deal found 11/2![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:09 am -
1 stop9h 29m
Wed 11/2511:26 pm -
1 stop10h 55m
Deal found 11/1![Frontier logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:07 am -
1 stop9h 31m
Tue 12/811:44 pm -
1 stop9h 49m
Deal found 11/2![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:15 am -
2 stops12h 33m
Sat 12/58:32 pm -
1 stop6h 29m
Deal found 11/1![Frontier logo]()
$287
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:05 am -
Nonstop5h 12m
Thu 12/31:54 pm -
Nonstop4h 26m
Deal found 11/2![American Airlines logo]()
$292
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:21 am -
1 stop7h 05m
Tue 12/224:11 pm -
1 stop11h 38m
Deal found 11/1![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1210:40 am -
1 stop24h 36m
Fri 1/226:30 pm -
2 stops15h 43m
Deal found 11/2![Frontier logo]()
$292
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:30 am -
1 stop9h 08m
Thu 12/3111:23 am -
1 stop11h 03m
Deal found 11/1![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/181:11 pm -
1 stop11h 54m
Wed 12/3012:53 am -
1 stop9h 17m
Deal found 11/1![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:40 am -
2 stops13h 04m
Tue 1/511:25 am -
1 stop11h 01m
Deal found 10/30![Frontier logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/301:11 pm -
1 stop11h 54m
Wed 1/611:58 pm -
1 stop14h 28m
Deal found 11/2![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3112:27 pm -
1 stop20h 37m
Wed 1/69:10 pm -
1 stop12h 42m
Deal found 11/1![Multiple Airlines logo]()
$291
One-way flights from Chicago to San FranciscoSearch for one-way flight options from Chicago to San Francisco. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Chicago to San Francisco. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:25 pm -
Nonstop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$149
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:29 pm -
Nonstop4h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![United Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:33 pm -
2 stops23h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$150
This Super.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:00 am -
1 stop28h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/119:51 am -
2 stops24h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1312:47 pm -
2 stops33h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:43 am -
2 stops16h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:47 pm -
2 stops33h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$152
This Super.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:35 am -
1 stop25h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:01 pm -
1 stop23h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:25 am -
2 stops31h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:42 pm -
2 stops49h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$154
Find flight deals from Chicago to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (Cheapflightsfares) |
One-way from | $149 (Southwest) |
Popular in | June |
Cheapest in | September |
Average price | $431 |
Good round-trip deal | $360 or less |
Good one-way deal | $212 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 4, 2026.
Use the filters below to find and compare flights from Chicago to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoSan Francisco
MDW Chicago Midway - SFO San Francisco
MDWSFO
Chicago Midway
Wed 12/2
9:05 pm-11:55 pm
Nonstop4h 50m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$149
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Mon 2/15
4:45 pm-7:43 pm
Nonstop4h 58m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$149
ChicagoSan Francisco
MDW Chicago Midway - SFO San Francisco
MDWSFO
Chicago Midway
Mon 12/21
10:25 pm-1:20 am
Nonstop4h 55m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$149
ChicagoSan Francisco
MDW Chicago Midway - SFO San Francisco
MDWSFO
Chicago Midway
Thu 12/3
9:05 pm-11:55 pm
Nonstop4h 50m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$149
ChicagoSan Francisco
RFD Chicago Greater Rockford - SFO San Francisco
RFDSFO
Chicago Greater Rockford
Sun 12/6
12:47 pm-8:08 pm
2 stops33h 21m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$152
ChicagoSan Francisco
RFD Chicago Greater Rockford - SFO San Francisco
RFDSFO
Chicago Greater Rockford
Wed 12/2
4:01 pm-1:15 pm
1 stop23h 14m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$153
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Wed 12/23
10:00 pm-1:08 am
Nonstop5h 08m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
ChicagoSan Francisco
MDW Chicago Midway - SFO San Francisco
MDWSFO
Chicago Midway
Sat 1/16
10:47 am-5:24 pm
1 stop8h 37m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
ChicagoSan Francisco
MDW Chicago Midway - SFO San Francisco
MDWSFO
Chicago Midway
Wed 12/2
6:00 am-12:47 pm
1 stop8h 47m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
ChicagoSan Francisco
MDW Chicago Midway - SFO San Francisco
MDWSFO
Chicago Midway
Wed 11/25
5:13 pm-11:58 pm
1 stop8h 45m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from Chicago to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to San Francisco in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Chicago with our price prediction graph.
CHI-SFO
MDW-SFO
ORD-SFO
RFD-SFO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to San Francisco
CHI-SFO
MDW-SFO
ORD-SFO
RFD-SFO
What is the cheapest month to book a flight from Chicago to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Chicago to San Francisco (average of $386). Flying from Chicago to San Francisco in June is currently the most expensive (average of $474). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to SFO?
Find hourly flight availability from Chicago to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2026.
It’s optimal to fly from Chicago to San Francisco in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Chicago to San Francisco
Explore weekly flight availability from Chicago to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 4, 2026.
The most flights from CHI to SFO are scheduled on a Monday (94 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (57 on average).
How much does it cost to fly round-trip from Chicago to San Francisco?
Airfare is below average for this route at the moment.
Chicago to San Francisco flights typically cost between $351 and $560 in November.The cheapest round-trip price found within the last 5 days was $287 on Frontier (Nov 25-Dec 8).
What’s the top layover airport for flights from Chicago to San Francisco?
Share of 1-stop round-trip flights from Chicago to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 86% of 1-stop itineraries from Chicago to San Francisco on Cheapflights.
What’s the cheapest layover airport for flights from Chicago to San Francisco?
Average round-trip fare for 1-stop flights from Chicago to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $213.
What’s the fastest layover option from Chicago to San Francisco?
Shortest average travel time for 1-stop one-way flights from Chicago to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 13h 40m.
Which airport typically offers the quickest layover for flights from Chicago to San Francisco?
Average layover duration for 1-stop one-way flights from Chicago to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 2h 59m.
How often are flights from Chicago to San Francisco delayed?
About 28% of weekly flights between Chicago and San Francisco have experienced delays in the past year, with the average delay time being 171 minutes.
What is the most punctual flight time for Chicago to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to San Francisco flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.
How far ahead should I book a flight from Chicago to San Francisco?
To ensure you get the cheapest price possible for a flight from Chicago to San Francisco, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Chicago to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Chicago to San Francisco. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Chicago to San Francisco flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Chicago to San Francisco flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to San Francisco trip
Our travel experts
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated November 4, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andJetBlue from Chicago to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Chicago to San Francisco Travel Guide
Dozens of flights are waiting to carry you from the freeways and skyscrapers of Chicago to the fishing piers and historic neighborhoods of San Francisco. A major metropolis along the California coastline, the Bay Area is famous for its maritime atmosphere and architectural marvels such as the Ferry Building Marketplace and the Legion of Honor. Browse direct flights between these two major travel hubs to find a cheap flight to match your travel schedule.
The moment you leave the Windy City behind and step onto the hilly streets San Francisco, the historic Bay Area instantly transports you to a world of cable cars and charming wharfs. Trade the trains of Chicago for the ferries and whale-watching bay cruises of this California city, and enjoy milder winter months with temperatures hovering in the 60's F. Before saying goodbye to the Golden Gate Bridge, don't forget to tour Alcatraz Island and enjoy the catch of the day at one of the bay-side seafood shacks.
The Golden Gate Bridge is just a short flight away, so what's stopping you? Try out our smart search engine to find great flight deals and start planning your San Francisco adventure.
Related info for your journey
Find useful and relevant information for your journey from Chicago to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Hayward
Emeryville
Newark
Burlingame
San Bruno
Rancho Cordova
Vallejo
Cupertino
Fairfield
Redwood City
San Carlos
Sunnyvale
Turlock
Davis
Morgan Hill
Roseville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Chicago to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to San Francisco by cabin class
Find flights from Chicago to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and San Francisco flights
Browse other Chicago and San Francisco flight options. Last updated on November 4, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Top 7 airlines flying from Chicago to San Francisco
Discover the top 7 airlines that operate flights from Chicago to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$110 | Average$274 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$162 | Average$334 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$205 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$243 | Average$325 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$255 | Average$516 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$392 | FlexibilityNo cancel fee | On-time63% |