$135+ Cheap flights from Fremont, CA to Chicago (CHI)
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CHI
Jun 21 — Jun 281
Round-trip
1 adult, Economy
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Find cheap flights from Fremont to Chicago 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 Fremont to Chicago are usually found in September or February, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Fremont to Chicago
Cheapest
Best
Last-minute
One-way
Cheapest flights from Fremont to ChicagoExplore the most affordable flight options available from Fremont to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.
Explore the most affordable flight options available from Fremont to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.
This CheapOair deal was found by Cheapflights users on 5/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:20 am
SFO
- ORD
1 stop8h 33m
Alaska Airlines
Mon 10/197:20 am
ORD
- SFO
1 stop7h 21m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$300
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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.
Sat 8/1512:33 pm
SFO
- ORD
1 stop6h 19m
Frontier
Sun 8/239:48 pm
ORD
- SFO
1 stop28h 34m
Frontier
Deal found 5/17![Frontier logo]()
$301
This Southwest deal was found by Cheapflights users on 5/17. 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 8/612:40 pm
SFO
- MDW
2 stops8h 40m
Southwest
Wed 8/128:50 am
MDW
- SFO
2 stops9h 35m
Southwest
Deal found 5/17![Southwest logo]()
$302
This Gotogate deal was found by Cheapflights users on 5/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/82:23 pm
SFO
- ORD
1 stop7h 32m
Multiple Airlines
Tue 6/166:55 am
ORD
- SFO
1 stop15h 00m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Tue 6/211:59 pm
SFO
- ORD
1 stop13h 41m
Frontier
Tue 6/96:55 am
ORD
- SFO
1 stop15h 00m
Frontier
Deal found 5/17![Frontier logo]()
$303
This Orbitz deal was found by Cheapflights users on 5/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:10 pm
SFO
- MDW
1 stop10h 57m
Frontier
Sun 8/166:00 am
MDW
- SFO
1 stop15h 13m
Frontier
Deal found 5/18![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 5/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:43 pm
SFO
- ORD
1 stop11h 45m
Frontier
Fri 8/147:05 am
ORD
- SFO
1 stop14h 08m
Frontier
Deal found 5/18![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:10 pm
SFO
- MDW
1 stop10h 59m
Frontier
Wed 6/33:07 pm
MDW
- SFO
1 stop9h 57m
Frontier
Deal found 5/17![Frontier logo]()
$305
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:24 pm
SFO
- ORD
1 stop6h 36m
American Airlines
Tue 6/169:00 pm
ORD
- SFO
Nonstop4h 58m
American Airlines
Deal found 5/18![American Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 5/17. 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.
Mon 7/611:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Wed 7/86:00 am
MDW
- SFO
1 stop9h 40m
Southwest
Deal found 5/17![Southwest logo]()
$306
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:29 am
SFO
- ORD
1 stop8h 22m
American Airlines
Tue 7/289:00 pm
ORD
- SFO
Nonstop4h 42m
American Airlines
Deal found 5/21![American Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:59 pm
SFO
- MDW
1 stop8h 18m
Delta
Mon 8/2410:54 am
MDW
- SFO
1 stop10h 45m
Delta
Deal found 5/18![Delta logo]()
$307
Best flights from Fremont to ChicagoDiscover carefully curated flight deals from Fremont to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 22, 2026.
Discover carefully curated flight deals from Fremont to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 22, 2026.
This Southwest deal was found by Cheapflights users on 5/17. 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 8/612:40 pm
SFO
- MDW
2 stops8h 40m
Southwest
Wed 8/128:50 am
MDW
- SFO
2 stops9h 35m
Southwest
Deal found 5/17![Southwest logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Thu 8/67:11 pm
SFO
- RFD
1 stop23h 23m
Multiple Airlines
Mon 8/109:24 pm
RFD
- SFO
1 stop20h 42m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 5/21. 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.
Tue 9/2910:45 pm
SFO
- MDW
1 stop7h 57m
Delta
Fri 10/25:25 pm
MDW
- SFO
1 stop8h 37m
Delta
Deal found 5/21![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Fri 7/1010:38 pm
SFO
- ORD
Nonstop4h 23m
United Airlines
Thu 7/166:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Deal found 5/20![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 5/17. 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 8/612:40 pm
SFO
- MDW
2 stops8h 40m
Southwest
Mon 8/105:30 am
MDW
- SFO
1 stop8h 05m
Southwest
Deal found 5/17![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Tue 6/306:34 pm
SFO
- ORD
Nonstop4h 25m
United Airlines
Fri 7/36:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Deal found 5/21![United Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Sat 8/1510:56 pm
SFO
- RFD
1 stop11h 38m
Multiple Airlines
Sun 8/239:35 pm
RFD
- SFO
1 stop21h 06m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 5/21. 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 6/1210:55 pm
SFO
- MDW
1 stop8h 19m
Delta
Sat 6/209:54 am
MDW
- SFO
1 stop8h 32m
Delta
Deal found 5/21![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 5/20. 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.
Mon 7/611:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Thu 7/99:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Deal found 5/20![Southwest logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Thu 8/137:11 pm
SFO
- RFD
1 stop23h 23m
Multiple Airlines
Wed 8/192:13 pm
RFD
- SFO
2 stops20h 33m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Fri 6/1910:35 pm
SFO
- ORD
Nonstop4h 23m
United Airlines
Thu 6/259:35 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Deal found 5/20![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:39 am
SFO
- ORD
1 stop6h 52m
Delta
Wed 6/177:37 pm
ORD
- SFO
1 stop6h 21m
Delta
Deal found 5/17![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 5/20. 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.
Fri 7/1011:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Thu 7/169:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Deal found 5/20![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 5/20. 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 6/1110:35 pm
SFO
- ORD
Nonstop4h 23m
United Airlines
Sun 6/146:13 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Deal found 5/20![United Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/72:30 pm
SFO
- ORD
1 stop6h 48m
Delta
Wed 6/107:37 pm
ORD
- SFO
1 stop6h 21m
Delta
Deal found 5/17![Delta logo]()
$378
This Southwest deal was found by Cheapflights users on 5/18. 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.
Mon 7/611:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Tue 7/149:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Deal found 5/18![Southwest logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Wed 7/811:15 am
SFO
- RFD
2 stops23h 09m
Multiple Airlines
Sun 7/121:14 pm
RFD
- SFO
1 stop21h 29m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 5/18. 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 7/16:34 pm
SFO
- ORD
Nonstop4h 25m
United Airlines
Fri 7/176:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Deal found 5/18![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 5/20. 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.
Mon 7/65:50 am
SFO
- MDW
Nonstop4h 10m
Southwest
Tue 7/75:35 am
MDW
- SFO
1 stop8h 00m
Southwest
Deal found 5/20![Southwest logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Wed 7/1510:56 pm
SFO
- RFD
1 stop11h 28m
Multiple Airlines
Mon 8/39:13 pm
RFD
- SFO
2 stops25h 27m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sat 7/411:35 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Tue 7/75:35 am
MDW
- SFO
1 stop8h 00m
Southwest
Deal found 5/21![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/21. 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 7/23:10 pm
SFO
- ORD
Nonstop4h 24m
United Airlines
Tue 7/78:55 am
ORD
- SFO
Nonstop4h 44m
United Airlines
Deal found 5/21![United Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 5/20. 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 7/93:10 pm
SFO
- MDW
1 stop7h 50m
Southwest
Mon 7/135:10 am
MDW
- SFO
1 stop8h 10m
Southwest
Deal found 5/20![Southwest logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Thu 7/237:11 pm
SFO
- RFD
1 stop23h 12m
Multiple Airlines
Sun 8/21:14 pm
RFD
- SFO
1 stop29h 18m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:55 am
SFO
- ORD
2 stops10h 34m
Delta
Mon 7/207:40 pm
ORD
- SFO
1 stop6h 12m
Delta
Deal found 5/17![Delta logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 6/56:45 pm
SFO
- RFD
1 stop15h 29m
Multiple Airlines
Fri 6/129:10 pm
RFD
- SFO
2 stops19h 06m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 5/21. 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.
Fri 11/135:40 am
SFO
- MDW
Nonstop4h 05m
Southwest
Fri 11/206:30 am
MDW
- SFO
1 stop7h 55m
Southwest
Deal found 5/21![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:00 pm
SFO
- ORD
Nonstop4h 28m
United Airlines
Sun 5/317:40 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Deal found 5/17![United Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Wed 7/2910:56 pm
SFO
- RFD
1 stop11h 28m
Multiple Airlines
Sun 8/29:19 am
RFD
- SFO
2 stops16h 59m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Sun 5/2412:50 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Fri 5/292:29 pm
ORD
- SFO
Nonstop4h 49m
United Airlines
Deal found 5/21![United Airlines logo]()
$458
Last-minute flights from Fremont to ChicagoDiscover last-minute flight deals from Fremont to Chicago. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Fremont to Chicago. Data last updated May 22, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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.
Tue 6/211:59 pm
SFO
- ORD
1 stop13h 41m
Frontier
Sat 6/139:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Deal found 5/17![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Tue 6/211:59 pm
SFO
- ORD
1 stop13h 41m
Frontier
Tue 6/96:55 am
ORD
- SFO
1 stop15h 00m
Frontier
Deal found 5/17![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:10 pm
SFO
- MDW
1 stop10h 59m
Frontier
Wed 6/33:07 pm
MDW
- SFO
1 stop9h 57m
Frontier
Deal found 5/17![Frontier logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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.
Sat 6/66:00 am
SFO
- ORD
1 stop12h 32m
Frontier
Wed 6/107:20 am
ORD
- SFO
1 stop8h 56m
Frontier
Deal found 5/18![Frontier logo]()
$307
This Frontier deal was found by Cheapflights users on 5/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/610:10 pm
SFO
- MDW
1 stop11h 02m
Frontier
Wed 6/1012:04 pm
MDW
- SFO
1 stop9h 51m
Frontier
Deal found 5/18![Frontier logo]()
$310
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:00 am
SFO
- ORD
1 stop12h 32m
Frontier
Wed 6/106:55 am
ORD
- SFO
1 stop15h 00m
Frontier
Deal found 5/20![Frontier logo]()
$308
This Gotogate deal was found by Cheapflights users on 5/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/82:23 pm
SFO
- ORD
1 stop7h 32m
Multiple Airlines
Tue 6/166:55 am
ORD
- SFO
1 stop15h 00m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Mon 6/82:23 pm
SFO
- ORD
1 stop7h 32m
Multiple Airlines
Wed 7/17:20 am
ORD
- SFO
1 stop9h 05m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:24 pm
SFO
- ORD
1 stop6h 36m
American Airlines
Tue 6/169:00 pm
ORD
- SFO
Nonstop4h 58m
American Airlines
Deal found 5/18![American Airlines logo]()
$305
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:10 pm
SFO
- MDW
1 stop11h 02m
Frontier
Tue 6/1612:27 pm
MDW
- SFO
1 stop9h 28m
Frontier
Deal found 5/17![Frontier logo]()
$309
This Cheapflightsfares deal was found by Cheapflights users on 5/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:00 am
SFO
- ORD
1 stop12h 32m
Frontier
Tue 6/166:55 am
ORD
- SFO
1 stop15h 00m
Frontier
Deal found 5/21![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Sat 6/138:54 pm
SFO
- ORD
1 stop6h 13m
Frontier
Fri 6/199:48 pm
ORD
- SFO
2 stops20h 33m
Frontier
Deal found 5/20![Frontier logo]()
$306
One-way flights from Fremont to ChicagoSearch for one-way flight options from Fremont to Chicago. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
Search for one-way flight options from Fremont to Chicago. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This Priceline deal was found by Cheapflights users on 5/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:15 pm
SFO
- MDW
1 stop10h 54m
Frontier
Deal found 5/18![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 5/19. 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 6/1012:38 pm
SFO
- ORD
1 stop6h 05m
Frontier
Deal found 5/19![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/18![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Mon 8/178:23 pm
SFO
- ORD
1 stop7h 54m
Frontier
Deal found 5/18![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:35 am
SFO
- MDW
1 stop6h 02m
Delta
Deal found 5/18![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:45 am
SFO
- ORD
1 stop9h 33m
Delta
Deal found 5/18![Delta logo]()
$139
This Frontier deal was found by Cheapflights users on 5/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:10 pm
SFO
- MDW
1 stop10h 57m
Frontier
Deal found 5/20![Frontier logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:43 pm
SFO
- ORD
1 stop21h 00m
Frontier
Deal found 5/20![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/2210:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/19![Frontier logo]()
$141
This Expedia deal was found by Cheapflights users on 5/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:52 pm
SFO
- MDW
1 stop12h 15m
Frontier
Deal found 5/20![Frontier logo]()
$142
This Expedia deal was found by Cheapflights users on 5/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:43 pm
SFO
- ORD
1 stop21h 00m
Frontier
Deal found 5/19![Frontier logo]()
$142
This Southwest deal was found by Cheapflights users on 5/18. 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 7/155:00 am
SFO
- MDW
2 stops7h 35m
Southwest
Deal found 5/18![Southwest logo]()
$144
Find flight deals from Fremont to Chicago
Keep the following information in mind while searching for Fremont to Chicago flight deals. Data was last updated May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $300 (CheapOair) |
One-way from | $135 (Priceline) |
Popular in | March |
Cheapest in | September |
Average price | $453 |
Cheapflights Fare Finder
Customize your flight search to find flights from Fremont to Chicago 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 May 22, 2026.
Use the filters below to find and compare flights from Fremont to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Thu 8/6
12:40 pm-11:20 pm
2 stops8h 40m
Chicago Midway
Wed 8/12
8:50 am-4:25 pm
2 stops9h 35m
$302
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Thu 8/6
12:40 pm-11:20 pm
2 stops8h 40m
Chicago Midway
Mon 8/10
5:30 am-11:35 am
1 stop8h 05m
$312
San FranciscoChicago
SFO - RFD
SFORFD
San Francisco
Thu 8/6
7:11 pm-8:34 pm
1 stop23h 23m
Chicago Greater Rockford
Mon 8/10
9:24 pm-4:06 pm
1 stop20h 42m
$322
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Tue 9/29
10:45 pm-8:42 am
1 stop7h 57m
Chicago Midway
Fri 10/2
5:25 pm-12:02 am
1 stop8h 37m
$325
Quickest round-trip
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Mon 7/6
11:40 pm-5:55 am
Nonstop4h 15m
Chicago Midway
Thu 7/9
9:30 pm-12:10 am
Nonstop4h 40m
$335
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Fri 7/10
10:38 pm-5:01 am
Nonstop4h 23m
Chicago O'Hare Intl
Thu 7/16
6:10 am-8:47 am
Nonstop4h 37m
$344
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Tue 6/30
6:34 pm-12:59 am
Nonstop4h 25m
Chicago O'Hare Intl
Fri 7/3
6:10 am-8:47 am
Nonstop4h 37m
$344
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Fri 7/10
11:40 pm-5:55 am
Nonstop4h 15m
Chicago Midway
Thu 7/16
9:30 pm-12:10 am
Nonstop4h 40m
$344
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Mon 7/6
11:40 pm-5:55 am
Nonstop4h 15m
Chicago Midway
Tue 7/14
9:30 pm-12:10 am
Nonstop4h 40m
$344
San FranciscoChicago
SFO - MDW
SFOMDW
San Francisco
Mon 7/6
5:50 am-12:00 pm
Nonstop4h 10m
Chicago Midway
Tue 7/7
5:35 am-11:35 am
1 stop8h 00m
$345
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Fremont to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Fremont with our price prediction graph.
SFO-ORD
SFO-MDW
SFO-RFD
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 Fremont to Chicago
FR8-CHI
SFO-ORD
SFO-MDW
SFO-RFD
What is the cheapest time of day to fly from FR8 to CHI?
Find hourly flight availability from Fremont to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 22, 2026.
When flying from Fremont to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight at noon.
Weekly flight availability from Fremont to Chicago
Explore weekly flight availability from Fremont to Chicago. 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 May 22, 2026.
The most flights from FR8 to CHI are scheduled on a Thursday (94 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 on average).
How much does it cost to fly round-trip from Fremont to Chicago?
What is the cheapest day to fly from Fremont to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Fremont to Chicago. Price data was last updated on May 16, 2026.
Travelers seeking maximum savings on their Fremont to Chicago flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated May 22, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andUnited Airlines from Fremont to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Fremont to Chicago. 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 Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Hammond
Porter
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.
Alternative routes
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Alternative routes for Fremont to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 22, 2026.
Complete your trip
Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Fremont to Chicago by cabin class
Find flights from Fremont to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Fremont and Chicago flights
Browse other Fremont and Chicago flight options. Last updated on May 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fremont to Chicago flights
Consider these flights traveling from Fremont to Chicago.
Top 9 airlines flying from Fremont to Chicago
Discover the top 9 airlines that operate flights from Fremont to Chicago. 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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$230 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$108 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$122 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$130 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$185 | Average$432 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$200 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$224 | Average$321 | FlexibilityNo cancel fee | On-time62% |