$124+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Oct 22 — Oct 291
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 61 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 September 22, 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 September 22, 2026.
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:21 am -
1 stop13h 34m
Tue 10/1311:59 pm -
1 stop12h 36m
Deal found 9/17![Frontier logo]()
$248
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 10/148:01 pm -
1 stop15h 53m
Fri 10/167:25 pm -
1 stop9h 09m
Deal found 9/19![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/36:30 am -
1 stop6h 47m
Mon 11/911:52 pm -
1 stop7h 43m
Deal found 9/18![Frontier logo]()
$249
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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.
Tue 10/208:01 pm -
1 stop26h 37m
Fri 10/3011:06 am -
1 stop16h 07m
Deal found 9/19![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:12 pm -
1 stop11h 13m
Mon 10/1911:59 pm -
1 stop12h 36m
Deal found 9/17![Frontier logo]()
$251
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:30 pm -
1 stop8h 55m
Fri 10/1611:59 pm -
1 stop12h 36m
Deal found 9/17![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/164:20 pm -
1 stop20h 17m
Mon 10/197:25 pm -
1 stop9h 09m
Deal found 9/17![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/168:01 pm -
1 stop26h 37m
Wed 11/1810:17 pm -
1 stop8h 39m
Deal found 9/20![Frontier logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Thu 10/226:22 am -
1 stop13h 33m
Fri 10/2311:59 pm -
1 stop12h 36m
Deal found 9/17![Frontier logo]()
$254
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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.
Thu 10/228:01 pm -
1 stop26h 37m
Thu 10/292:21 pm -
1 stop12h 52m
Deal found 9/18![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:15 am -
1 stop13h 40m
Wed 10/2811:52 pm -
1 stop9h 33m
Deal found 9/17![Frontier logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/136:00 am -
1 stop13h 55m
Tue 10/207:25 pm -
1 stop9h 09m
Deal found 9/19![Frontier logo]()
$255
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 September 22, 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 September 22, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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 10/225:25 am -
1 stop7h 40m
Tue 10/276:55 am -
2 stops7h 50m
Deal found 9/17![Southwest logo]()
$272
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/143:35 pm -
Nonstop4h 49m
Mon 10/196:38 pm -
Nonstop4h 17m
Deal found 9/18![United Airlines logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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.
Wed 10/287:00 am -
2 stops12h 00m
Mon 11/28:20 am -
1 stop8h 39m
Deal found 9/18![Alaska Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/21. 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 11/57:35 am -
1 stop6h 49m
Mon 11/910:59 pm -
1 stop8h 23m
Deal found 9/21![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 9/17. 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 12/31:20 pm -
2 stops10h 55m
Thu 12/106:00 am -
Nonstop4h 15m
Deal found 9/17![Southwest logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Mon 10/197:49 pm -
1 stop15h 48m
Mon 10/264:51 pm -
2 stops10h 49m
Deal found 9/17![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/21. 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 12/217:37 am -
Nonstop5h 03m
Fri 1/112:55 am -
Nonstop4h 29m
Deal found 9/21![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 9/21. 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.
Fri 10/235:30 pm -
1 stop8h 26m
Tue 10/276:38 pm -
2 stops12h 15m
Deal found 9/21![Delta logo]()
$358
This Southwest deal was found by Cheapflights users on 9/18. 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 10/148:55 pm -
Nonstop4h 45m
Thu 10/155:35 am -
Nonstop4h 10m
Deal found 9/18![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 10/167:16 pm -
1 stop15h 33m
Mon 10/194:51 pm -
2 stops10h 49m
Deal found 9/20![Alaska Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 9/20. 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 10/159:25 pm -
Nonstop4h 45m
Wed 10/2111:40 pm -
Nonstop4h 10m
Deal found 9/20![Southwest logo]()
$337
This United Airlines deal was found by Cheapflights users on 9/19. 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 11/206:00 am -
Nonstop4h 44m
Fri 11/276:42 pm -
Nonstop4h 17m
Deal found 9/19![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 9/21. 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 10/2110:00 am -
Nonstop4h 45m
Wed 10/2811:40 pm -
Nonstop4h 10m
Deal found 9/21![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/147:00 am -
2 stops12h 00m
Sun 10/186:07 am -
1 stop15h 52m
Deal found 9/17![Alaska Airlines logo]()
$402
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 12/176:00 am -
Nonstop5h 01m
Thu 12/2410:34 pm -
Nonstop4h 23m
Deal found 9/21![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 9/21. 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 11/179:55 am -
Nonstop4h 50m
Wed 12/25:05 am -
1 stop7h 55m
Deal found 9/21![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 9/20. 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 10/1312:15 pm -
1 stop10h 05m
Mon 10/195:35 am -
Nonstop4h 10m
Deal found 9/20![Southwest logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/107:20 am -
2 stops12h 50m
Sat 10/107:11 pm -
1 stop8h 29m
Deal found 9/17![Alaska Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Thu 12/172:35 pm -
Nonstop5h 00m
Fri 1/112:55 am -
Nonstop4h 29m
Deal found 9/20![United Airlines logo]()
$450
This Southwest deal was found by Cheapflights users on 9/21. 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 10/2010:00 am -
Nonstop4h 45m
Tue 10/2712:15 pm -
1 stop8h 00m
Deal found 9/21![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 9/19. 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 12/108:05 am -
1 stop7h 55m
Mon 12/146:00 am -
Nonstop4h 15m
Deal found 9/19![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 9/21. 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 12/810:00 am -
Nonstop4h 50m
Wed 12/168:00 am -
1 stop7h 25m
Deal found 9/21![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 9/17. 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 11/2010:05 am -
2 stops9h 15m
Tue 11/242:05 pm -
1 stop8h 35m
Deal found 9/17![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 9/17. 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 11/129:55 am -
1 stop6h 40m
Sun 11/155:40 am -
Nonstop4h 05m
Deal found 9/17![Southwest logo]()
$360
Last-minute flights from Chicago to San FranciscoDiscover last-minute flight deals from Chicago to San Francisco. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to San Francisco. Data last updated September 22, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/76:30 am -
1 stop6h 28m
Tue 10/277:14 pm -
2 stops12h 21m
Deal found 9/18![Frontier logo]()
$249
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:21 am -
1 stop13h 34m
Tue 10/1311:59 pm -
1 stop12h 36m
Deal found 9/17![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/136:00 am -
1 stop13h 55m
Tue 10/207:25 pm -
1 stop9h 09m
Deal found 9/19![Frontier logo]()
$255
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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 10/148:01 pm -
1 stop15h 53m
Fri 10/167:25 pm -
1 stop9h 09m
Deal found 9/19![Frontier logo]()
$248
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:30 pm -
1 stop8h 55m
Fri 10/1611:59 pm -
1 stop12h 36m
Deal found 9/17![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:12 pm -
1 stop11h 13m
Mon 10/1911:59 pm -
1 stop12h 36m
Deal found 9/17![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/164:20 pm -
1 stop20h 17m
Mon 10/197:25 pm -
1 stop9h 09m
Deal found 9/17![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/168:01 pm -
1 stop26h 37m
Wed 11/1810:17 pm -
1 stop8h 39m
Deal found 9/20![Frontier logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 9/19. 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.
Tue 10/208:01 pm -
1 stop26h 37m
Fri 10/3011:06 am -
1 stop16h 07m
Deal found 9/19![Frontier logo]()
$250
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Thu 10/226:22 am -
1 stop13h 33m
Fri 10/2311:59 pm -
1 stop12h 36m
Deal found 9/17![Frontier logo]()
$254
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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.
Thu 10/228:01 pm -
1 stop26h 37m
Thu 10/292:21 pm -
1 stop12h 52m
Deal found 9/18![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:15 am -
1 stop13h 40m
Wed 10/2811:52 pm -
1 stop9h 33m
Deal found 9/17![Frontier logo]()
$255
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 September 22, 2026.
Search for one-way flight options from Chicago to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/176:30 am -
2 stops16h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$124
This Southwest deal was found by Cheapflights users on 9/17. 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 10/76:30 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$126
This Super.com deal was found by Cheapflights users on 9/21. 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.
Mon 11/26:30 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 9/19. 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.
Wed 10/213:30 pm -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 9/19. 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.
Sat 10/246:30 am -
1 stop6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/176:16 am -
1 stop13h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/264:20 pm -
1 stop25h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$128
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:30 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$129
This Booking.com deal was found by Cheapflights users on 9/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:30 pm -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 9/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:30 pm -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$131
This Southwest deal was found by Cheapflights users on 9/17. 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 10/229:25 pm -
Nonstop4h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$132
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:30 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$132
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 September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Trip.com) |
One-way from | $124 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $337 |
Good round-trip deal | $297 or less |
Good one-way deal | $163 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 September 22, 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 12/16
8:05 am-2:00 pm
1 stop7h 55m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$126
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Tue 11/3
2:07 pm-7:20 pm
1 stop7h 13m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$126
ChicagoSan Francisco
MDW Chicago Midway - SFO San Francisco
MDWSFO
Chicago Midway
Wed 10/28
7:55 am-4:05 pm
2 stops10h 10m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$131
ChicagoSan Francisco
MDW Chicago Midway - SFO San Francisco
MDWSFO
Chicago Midway
Mon 12/14
5:14 pm-12:05 am
1 stop8h 51m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$146
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Tue 11/3
5:29 pm-10:38 pm
1 stop7h 09m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$146
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Fri 10/9
2:55 pm-12:07 am
1 stop11h 12m
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
Fri 10/30
12:27 pm-5:15 pm
1 stop6h 48m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$159
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Fri 10/16
7:15 pm-11:59 pm
1 stop6h 44m
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
Thu 10/22
9:25 pm-12:10 am
Nonstop4h 45m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$169
ChicagoSan Francisco
ORD Chicago O'Hare Intl - SFO San Francisco
ORDSFO
Chicago O'Hare Intl
Fri 10/30
5:46 pm-2:22 pm
2 stops22h 36m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$172
Showing 1-10 of 46 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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
ORD-SFO
MDW-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
ORD-SFO
MDW-SFO
What is the cheapest month to book a flight from Chicago to San Francisco?
Currently, October is the cheapest month in which you can book a flight from Chicago to San Francisco (average of $360). 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 September 22, 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 in the afternoon.
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 September 22, 2026.
The most flights from CHI to SFO are scheduled on a Sunday (105 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (55 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 $277 and $476 in October.The cheapest round-trip price found within the last 5 days was $248 on Frontier (Oct 8-Oct 13).
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 80% 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.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $230.
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: 8h 42m.
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 27% of weekly flights between Chicago and San Francisco have experienced delays in the past year, with the average delay time being 173 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 at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday 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 55 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 September 19, 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 September 22, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andUnited Airlines 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.
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Comfort
8.0
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
Emeryville
Burlingame
Rancho Cordova
San Bruno
Roseville
Hayward
Cupertino
Newark
Fairfield
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
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
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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 September 22, 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 September 22, 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 September 22, 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 September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$110 | Average$272 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$159 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$205 | Average$330 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$408 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$243 | Average$332 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$255 | Average$493 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$400 | FlexibilityNo cancel fee | On-time63% |