$163+ Cheap flights from Chicago (CHI) to Fremont, CA
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Fremont 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 Fremont are usually found in September or October, booked 74 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Chicago to Fremont
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to FremontExplore the most affordable flight options available from Chicago to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from Chicago to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/151:21 pm
ORD
- SFO
1 stop7h 03m
Frontier
Wed 9/309:00 am
SFO
- ORD
2 stops13h 23m
Frontier
Deal found 7/28![Frontier logo]()
$264
This Trip.com deal was found by Cheapflights users on 7/29. 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.
Tue 9/811:50 am
MDW
- SFO
1 stop9h 13m
Frontier
Fri 9/1111:58 pm
SFO
- MDW
1 stop10h 01m
Frontier
Deal found 7/29![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/179:13 pm
ORD
- SFO
1 stop25h 27m
Frontier
Thu 8/2010:01 am
SFO
- ORD
1 stop8h 14m
Frontier
Deal found 7/28![Frontier logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 11/1210:40 pm
ORD
- SFO
1 stop27h 35m
Frontier
Sun 11/159:00 pm
SFO
- ORD
1 stop12h 57m
Frontier
Deal found 7/27![Frontier logo]()
$266
This Southwest deal was found by Cheapflights users on 7/29. 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 8/2610:30 am
MDW
- SFO
2 stops7h 30m
Southwest
Wed 9/26:35 am
SFO
- MDW
2 stops7h 25m
Southwest
Deal found 7/29![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 9/612:54 pm
ORD
- SFO
1 stop9h 11m
Delta
Fri 9/1110:59 pm
SFO
- ORD
1 stop6h 58m
Delta
Deal found 7/28![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 7/29. 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.
Sat 9/122:15 pm
MDW
- SFO
2 stops9h 15m
Southwest
Sat 9/192:40 pm
SFO
- MDW
1 stop13h 15m
Southwest
Deal found 7/29![Southwest logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/188:45 am
ORD
- SFO
2 stops27h 40m
Frontier
Mon 8/248:23 pm
SFO
- ORD
1 stop7h 54m
Frontier
Deal found 7/28![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 7/29. 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.
Sun 8/308:11 pm
ORD
- SFO
1 stop14h 32m
Frontier
Thu 9/108:24 pm
SFO
- ORD
1 stop7h 14m
Frontier
Deal found 7/29![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 7/28. 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 8/2411:50 am
MDW
- SFO
1 stop9h 13m
Frontier
Sun 8/3010:35 pm
SFO
- MDW
1 stop10h 20m
Frontier
Deal found 7/28![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 7/29. 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.
Wed 8/127:29 am
ORD
- SFO
1 stop9h 51m
Frontier
Tue 8/1812:29 am
SFO
- ORD
1 stop13h 31m
Frontier
Deal found 7/29![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 7/29. 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 8/46:05 am
MDW
- SFO
1 stop15h 13m
Frontier
Fri 8/2110:35 pm
SFO
- MDW
1 stop10h 15m
Frontier
Deal found 7/29![Frontier logo]()
$271
Best flights from Chicago to FremontDiscover carefully curated flight deals from Chicago to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from Chicago to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Southwest deal was found by Cheapflights users on 7/29. 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 9/2210:30 am
MDW
- SFO
2 stops7h 30m
Southwest
Sat 9/263:25 pm
SFO
- MDW
1 stop11h 05m
Southwest
Deal found 7/29![Southwest logo]()
$268
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/1710:00 pm
ORD
- SFO
Nonstop4h 50m
United Airlines
Wed 8/194:29 pm
SFO
- ORD
Nonstop4h 30m
United Airlines
Deal found 7/26![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 7/26. 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 9/37:25 pm
MDW
- SFO
1 stop6h 22m
Delta
Tue 9/1510:59 pm
SFO
- MDW
1 stop8h 08m
Delta
Deal found 7/26![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 9/36:01 am
ORD
- SFO
1 stop6h 52m
Alaska Airlines
Mon 9/77:08 am
SFO
- ORD
1 stop14h 51m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$310
This KAYAK deal was found by Cheapflights users on 7/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:00 am
ORD
- SFO
1 stop7h 01m
American Airlines
Thu 10/296:00 am
SFO
- ORD
Nonstop4h 34m
American Airlines
Deal found 7/27![American Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 7/26. 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 9/97:35 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Wed 9/1611:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/26![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/289:28 pm
ORD
- SFO
Nonstop4h 48m
United Airlines
Mon 8/3110:35 pm
SFO
- ORD
Nonstop4h 29m
United Airlines
Deal found 7/25![United Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 7/26. 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 10/225:31 pm
MDW
- SFO
1 stop8h 27m
Delta
Mon 10/2610:59 pm
SFO
- MDW
1 stop8h 18m
Delta
Deal found 7/26![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 7/28. 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 8/2110:15 am
MDW
- SFO
Nonstop4h 35m
Southwest
Mon 8/2411:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/28![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 7/27. 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 8/287:25 pm
MDW
- SFO
1 stop6h 22m
Delta
Wed 9/25:36 am
SFO
- MDW
1 stop9h 23m
Delta
Deal found 7/27![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/2610:35 am
ORD
- SFO
Nonstop4h 36m
United Airlines
Sun 8/3010:35 pm
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 7/29![United Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 8/156:20 am
ORD
- SFO
1 stop7h 29m
Alaska Airlines
Sat 8/228:25 am
SFO
- ORD
1 stop8h 56m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 7/27. 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.
Sat 9/127:55 am
MDW
- SFO
2 stops9h 55m
Southwest
Sat 9/196:00 am
SFO
- MDW
2 stops9h 35m
Southwest
Deal found 7/27![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 7/27. 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 8/265:10 pm
MDW
- SFO
2 stops16h 51m
Delta
Fri 10/212:05 am
SFO
- MDW
1 stop6h 43m
Delta
Deal found 7/27![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/267:44 am
ORD
- SFO
Nonstop4h 46m
United Airlines
Wed 9/305:00 am
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 7/26![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 7/29. 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 9/249:10 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Mon 9/2811:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/29![Southwest logo]()
$308
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 9/110:35 am
ORD
- SFO
Nonstop4h 36m
United Airlines
Sun 9/1312:35 am
SFO
- ORD
Nonstop4h 21m
United Airlines
Deal found 7/28![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 7/26. 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 9/43:20 pm
MDW
- SFO
1 stop8h 35m
Southwest
Sat 9/511:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/26![Southwest logo]()
$310
This Southwest deal was found by Cheapflights users on 7/29. 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.
Sat 9/191:45 pm
MDW
- SFO
2 stops7h 50m
Southwest
Sat 9/1911:05 pm
SFO
- MDW
2 stops12h 45m
Southwest
Deal found 7/29![Southwest logo]()
$313
This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 8/166:00 am
ORD
- SFO
1 stop7h 02m
Delta
Sat 8/226:00 am
SFO
- ORD
1 stop10h 59m
Delta
Deal found 7/28![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 7/27. 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 9/109:10 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Thu 9/1711:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/27![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 7/28. 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 10/63:40 pm
ORD
- SFO
1 stop10h 16m
Delta
Sun 10/118:59 pm
SFO
- ORD
2 stops9h 54m
Delta
Deal found 7/28![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/123:35 pm
ORD
- SFO
Nonstop4h 49m
United Airlines
Sat 8/156:38 pm
SFO
- ORD
Nonstop4h 21m
United Airlines
Deal found 7/29![United Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 7/26. 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 9/36:48 pm
ORD
- SFO
1 stop7h 07m
Delta
Wed 9/95:38 pm
SFO
- ORD
2 stops12h 52m
Delta
Deal found 7/26![Delta logo]()
$460
Last-minute flights from Chicago to FremontDiscover last-minute flight deals from Chicago to Fremont. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Fremont. Data last updated July 30, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/29. 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 8/46:05 am
MDW
- SFO
1 stop15h 13m
Frontier
Fri 8/2110:35 pm
SFO
- MDW
1 stop10h 15m
Frontier
Deal found 7/29![Frontier logo]()
$271
This Mytrip deal was found by Cheapflights users on 7/29. 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 8/116:19 am
ORD
- SFO
1 stop14h 54m
Frontier
Wed 8/198:56 pm
SFO
- ORD
1 stop20h 06m
Frontier
Deal found 7/29![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 7/29. 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.
Wed 8/127:29 am
ORD
- SFO
1 stop9h 51m
Frontier
Tue 8/1812:29 am
SFO
- ORD
1 stop13h 31m
Frontier
Deal found 7/29![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/179:13 pm
ORD
- SFO
1 stop25h 27m
Frontier
Thu 8/2010:01 am
SFO
- ORD
1 stop8h 14m
Frontier
Deal found 7/28![Frontier logo]()
$265
This Southwest deal was found by Cheapflights users on 7/25. 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.
Mon 8/176:40 am
MDW
- SFO
1 stop7h 15m
Southwest
Wed 8/195:40 am
SFO
- MDW
2 stops9h 30m
Southwest
Deal found 7/25![Southwest logo]()
$272
This Southwest deal was found by Cheapflights users on 7/28. 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 8/183:10 pm
MDW
- SFO
2 stops8h 00m
Southwest
Sat 8/226:10 am
SFO
- MDW
1 stop12h 05m
Southwest
Deal found 7/28![Southwest logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/188:45 am
ORD
- SFO
2 stops27h 40m
Frontier
Mon 8/248:23 pm
SFO
- ORD
1 stop7h 54m
Frontier
Deal found 7/28![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 7/28. 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 8/2411:50 am
MDW
- SFO
1 stop9h 13m
Frontier
Sun 8/3010:35 pm
SFO
- MDW
1 stop10h 20m
Frontier
Deal found 7/28![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/252:41 pm
ORD
- SFO
2 stops47h 11m
Frontier
Mon 8/318:23 pm
SFO
- ORD
1 stop7h 54m
Frontier
Deal found 7/27![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/258:45 am
ORD
- SFO
2 stops13h 11m
Frontier
Thu 9/108:24 pm
SFO
- ORD
1 stop7h 14m
Frontier
Deal found 7/29![Frontier logo]()
$272
This Southwest deal was found by Cheapflights users on 7/29. 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 8/2610:30 am
MDW
- SFO
2 stops7h 30m
Southwest
Wed 9/26:35 am
SFO
- MDW
2 stops7h 25m
Southwest
Deal found 7/29![Southwest logo]()
$267
This CheapOair deal was found by Cheapflights users on 7/29. 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.
Sun 8/308:11 pm
ORD
- SFO
1 stop14h 32m
Frontier
Thu 9/108:24 pm
SFO
- ORD
1 stop7h 14m
Frontier
Deal found 7/29![Frontier logo]()
$269
One-way flights from Chicago to FremontSearch for one-way flight options from Chicago to Fremont. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from Chicago to Fremont. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/138:20 pm
MDW
- SFO
2 stops22h 47m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$163
This Priceline deal was found by Cheapflights users on 7/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:01 am
ORD
- SFO
1 stop8h 59m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/124:00 pm
ORD
- SFO
1 stop18h 42m
Frontier
Deal found 7/27![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 10/277:25 am
MDW
- SFO
2 stops18h 25m
Frontier
Deal found 7/29![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 8/127:29 am
ORD
- SFO
1 stop9h 51m
Frontier
Deal found 7/26![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 7/29. 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.
Tue 8/1111:06 am
MDW
- SFO
1 stop10h 07m
Frontier
Deal found 7/29![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 7/26. 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 8/1511:06 am
MDW
- SFO
1 stop10h 07m
Frontier
Deal found 7/26![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 7/26. 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 10/126:40 am
MDW
- SFO
1 stop13h 40m
Frontier
Deal found 7/26![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/196:30 am
ORD
- SFO
2 stops13h 54m
Frontier
Deal found 7/25![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 7/26. 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.
Sun 9/276:25 am
MDW
- SFO
1 stop15h 23m
Frontier
Deal found 7/26![Frontier logo]()
$169
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/217:22 am
ORD
- SFO
Nonstop4h 41m
American Airlines
Deal found 7/26![American Airlines logo]()
$169
This Super.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/1411:06 am
MDW
- SFO
1 stop10h 07m
Frontier
Deal found 7/29![Frontier logo]()
$170
Find flight deals from Chicago to Fremont
Keep the following information in mind while searching for Chicago to Fremont flight deals. Data was last updated July 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $264 (Kiwi.com) |
One-way from | $163 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $407 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Fremont 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 2,558,603 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from Chicago to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Tue 9/22
10:30 am-4:00 pm
2 stops7h 30m
San Francisco
Sat 9/26
3:25 pm-4:30 am
1 stop11h 05m
$268
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Mon 8/17
10:00 pm-12:50 am
Nonstop4h 50m
San Francisco
Wed 8/19
4:29 pm-10:59 pm
Nonstop4h 30m
$277
Quickest round-trip
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 9/9
7:35 pm-10:10 pm
Nonstop4h 35m
San Francisco
Wed 9/16
11:40 pm-5:50 am
Nonstop4h 10m
$277
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Fri 8/28
9:28 pm-12:16 am
Nonstop4h 48m
San Francisco
Mon 8/31
10:35 pm-5:04 am
Nonstop4h 29m
$287
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 8/21
10:15 am-12:50 pm
Nonstop4h 35m
San Francisco
Mon 8/24
11:40 pm-5:50 am
Nonstop4h 10m
$287
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 9/3
7:25 pm-11:47 pm
1 stop6h 22m
San Francisco
Tue 9/15
10:59 pm-9:07 am
1 stop8h 08m
$297
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 10/22
5:31 pm-11:58 pm
1 stop8h 27m
San Francisco
Mon 10/26
10:59 pm-9:17 am
1 stop8h 18m
$297
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 8/28
7:25 pm-11:47 pm
1 stop6h 22m
San Francisco
Wed 9/2
5:36 am-4:59 pm
1 stop9h 23m
$307
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Sat 9/12
7:55 am-3:50 pm
2 stops9h 55m
San Francisco
Sat 9/19
6:00 am-5:35 pm
2 stops9h 35m
$307
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 9/24
9:10 pm-11:50 pm
Nonstop4h 40m
San Francisco
Mon 9/28
11:40 pm-5:50 am
Nonstop4h 10m
$308
Showing 1-10 of 48 resultsSorted by cheapest first
Best time to book a flight from Chicago to Fremont
Have a flexible travel schedule? Discover the best time to fly to Fremont from Chicago with our price prediction graph.
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 Fremont
CHI-FR8
ORD-SFO
MDW-SFO
What is the cheapest time of day to fly from CHI to FR8?
Find hourly flight availability from Chicago to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2026.
It’s typically best to fly out from Chicago to Fremont in the evening. Doing so could potentially save you 14% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Chicago to Fremont
Explore weekly flight availability from Chicago to Fremont. 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 July 30, 2026.
The most flights from CHI to FR8 are scheduled on a Wednesday (94 on average). You will have fewer flight options on Friday, 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 Fremont?
Airfare is below average for this route at the moment.
Chicago to Fremont flights typically cost between $294 and $510 in September.The cheapest round-trip price found within the last 5 days was $264 on Frontier (Sep 15-Sep 30).
What is the cheapest day to fly from Chicago to Fremont?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Fremont. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their Chicago to Fremont flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Fremont
Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated July 30, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andUnited Airlines from Chicago to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Chicago to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Chicago and Fremont flights
Browse other Chicago and Fremont flight options. Last updated on July 30, 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 July 30, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Chicago to Fremont
Discover the top 7 airlines that operate flights from Chicago to Fremont. 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 2,558,603 searches. Data last updated July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$262 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$159 | Average$308 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$452 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$230 | Average$368 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$234 | Average$457 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$245 | Average$475 | FlexibilityNo cancel fee | On-time69% |