$165+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Aug 19 — Aug 261
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 20, 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 20, 2026.
This Southwest deal was found by Cheapflights users on 7/15. 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 8/139:10 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Thu 8/205:35 am
SFO
- MDW
Nonstop4h 05m
Southwest
Deal found 7/15![Southwest logo]()
$277
This Cheapflightsfares deal was found by Cheapflights users on 7/18. 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.
Tue 8/119:57 pm
ORD
- SFO
1 stop28h 21m
Frontier
Sat 8/1511:20 am
SFO
- ORD
1 stop16h 17m
Frontier
Deal found 7/18![Frontier logo]()
$277
This Southwest deal was found by Cheapflights users on 7/15. 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 9/57:55 am
MDW
- SFO
2 stops9h 55m
Southwest
Mon 9/710:30 pm
SFO
- MDW
1 stop8h 30m
Southwest
Deal found 7/15![Southwest logo]()
$278
This American Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:05 pm
ORD
- SFO
Nonstop4h 40m
American Airlines
Wed 8/195:07 pm
SFO
- ORD
Nonstop4h 23m
American Airlines
Deal found 7/15![American Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 7/19. 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.
Wed 9/211:00 am
MDW
- SFO
1 stop9h 15m
Southwest
Wed 9/911:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/19![Southwest logo]()
$279
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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.
Sun 8/167:29 am
ORD
- SFO
1 stop27h 14m
Frontier
Thu 8/208:56 pm
SFO
- ORD
1 stop20h 06m
Frontier
Deal found 7/19![Frontier logo]()
$279
This Expedia deal was found by Cheapflights users on 7/14. 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.
Thu 9/177:25 am
MDW
- SFO
1 stop12h 55m
Frontier
Sun 9/2010:48 pm
SFO
- MDW
1 stop10h 10m
Frontier
Deal found 7/14![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 7/15. 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 10/46:05 am
ORD
- SFO
1 stop13h 35m
Frontier
Sat 10/102:31 pm
SFO
- ORD
1 stop13h 11m
Frontier
Deal found 7/15![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 7/14. 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 8/412:11 pm
MDW
- SFO
1 stop9h 07m
Frontier
Wed 8/1211:05 pm
SFO
- MDW
1 stop8h 46m
Frontier
Deal found 7/14![Frontier logo]()
$281
This Frontier deal was found by Cheapflights users on 7/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:05 am
ORD
- SFO
1 stop13h 58m
Frontier
Tue 9/112:29 am
SFO
- ORD
1 stop13h 31m
Frontier
Deal found 7/19![Frontier logo]()
$281
This Southwest deal was found by Cheapflights users on 7/16. 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 8/187:15 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Sat 8/2211:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/16![Southwest logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/192:41 pm
ORD
- SFO
2 stops21h 34m
Frontier
Sun 8/238:23 pm
SFO
- ORD
1 stop7h 36m
Frontier
Deal found 7/15![Frontier logo]()
$282
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 20, 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 20, 2026.
This Southwest deal was found by Cheapflights users on 7/15. 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 9/57:55 am
MDW
- SFO
2 stops9h 55m
Southwest
Mon 9/710:30 pm
SFO
- MDW
1 stop8h 30m
Southwest
Deal found 7/15![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 7/14. 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 10/139:40 pm
ORD
- SFO
Nonstop4h 50m
United Airlines
Mon 10/195:00 am
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 7/14![United Airlines logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:01 am
ORD
- SFO
2 stops14h 00m
Alaska Airlines
Wed 9/99:27 am
SFO
- ORD
1 stop7h 54m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$330
This KAYAK deal was found by Cheapflights users on 7/15. 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.
Tue 9/157:07 am
ORD
- SFO
1 stop8h 18m
Delta
Thu 9/172:15 pm
SFO
- ORD
1 stop7h 42m
Delta
Deal found 7/15![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 7/19. 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.
Wed 9/212:20 pm
MDW
- SFO
1 stop6h 40m
Southwest
Wed 9/911:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/19![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 7/15. 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
Wed 8/196:35 am
SFO
- MDW
2 stops7h 25m
Southwest
Deal found 7/15![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 7/15. 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 9/1710:00 pm
ORD
- SFO
Nonstop4h 50m
United Airlines
Sun 9/206:38 pm
SFO
- ORD
Nonstop4h 21m
United Airlines
Deal found 7/15![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 7/17. 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 10/1410:00 am
MDW
- SFO
Nonstop4h 45m
Southwest
Wed 10/216:55 am
SFO
- MDW
2 stops7h 50m
Southwest
Deal found 7/17![Southwest logo]()
$284
This Southwest deal was found by Cheapflights users on 7/18. 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.
Tue 8/183:05 pm
MDW
- SFO
1 stop8h 05m
Southwest
Tue 8/255:40 am
SFO
- MDW
2 stops9h 30m
Southwest
Deal found 7/18![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Wed 10/147:44 am
ORD
- SFO
Nonstop4h 46m
United Airlines
Tue 10/205:00 am
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 7/17![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 7/19. 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.
Mon 8/172:50 pm
MDW
- SFO
1 stop8h 50m
Southwest
Mon 8/247:00 am
SFO
- MDW
2 stops8h 20m
Southwest
Deal found 7/19![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/57:30 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Wed 8/125:00 am
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 7/14![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 7/16. 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 10/128:25 pm
MDW
- SFO
1 stop6h 15m
Southwest
Thu 10/154:00 pm
SFO
- MDW
1 stop6h 30m
Southwest
Deal found 7/16![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/86:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Thu 8/135:00 am
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 7/16![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 7/15. 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 9/105:00 pm
MDW
- SFO
2 stops7h 50m
Southwest
Mon 9/142:00 pm
SFO
- MDW
1 stop7h 45m
Southwest
Deal found 7/15![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 7/15. 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 8/79:35 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Sun 8/93:10 pm
SFO
- ORD
Nonstop4h 28m
United Airlines
Deal found 7/15![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 7/18. 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.
Fri 8/216:15 am
MDW
- SFO
1 stop8h 55m
Southwest
Mon 8/245:35 am
SFO
- MDW
Nonstop4h 05m
Southwest
Deal found 7/18![Southwest logo]()
$321
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/16:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Wed 8/511:30 pm
SFO
- ORD
Nonstop4h 27m
United Airlines
Deal found 7/14![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 7/17. 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 8/179:10 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Wed 8/1910:40 am
SFO
- MDW
1 stop8h 25m
Southwest
Deal found 7/17![Southwest logo]()
$321
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Wed 10/149:40 pm
ORD
- SFO
Nonstop4h 50m
United Airlines
Sun 10/1810:35 pm
SFO
- ORD
Nonstop4h 29m
United Airlines
Deal found 7/17![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 7/15. 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 8/209:10 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Sun 8/238:30 pm
SFO
- MDW
1 stop7h 25m
Southwest
Deal found 7/15![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/26:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Fri 8/2112:55 am
SFO
- ORD
Nonstop4h 21m
United Airlines
Deal found 7/14![United Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 7/14. 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 8/43:26 pm
ORD
- SFO
Nonstop4h 52m
United Airlines
Sat 8/812:50 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 7/14![United Airlines logo]()
$526
Last-minute flights from Chicago to FremontDiscover last-minute flight deals from Chicago to Fremont. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Fremont. Data last updated July 20, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/14. 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 8/412:11 pm
MDW
- SFO
1 stop9h 07m
Frontier
Wed 8/1211:05 pm
SFO
- MDW
1 stop8h 46m
Frontier
Deal found 7/14![Frontier logo]()
$281
This Cheapflightsfares deal was found by Cheapflights users on 7/18. 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.
Tue 8/119:57 pm
ORD
- SFO
1 stop28h 21m
Frontier
Sat 8/1511:20 am
SFO
- ORD
1 stop16h 17m
Frontier
Deal found 7/18![Frontier logo]()
$277
This Frontier deal was found by Cheapflights users on 7/14. 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 8/116:05 am
MDW
- SFO
1 stop15h 08m
Frontier
Sun 8/1610:18 pm
SFO
- MDW
1 stop9h 33m
Frontier
Deal found 7/14![Frontier logo]()
$280
This Southwest deal was found by Cheapflights users on 7/15. 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 8/139:10 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Sat 8/2211:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/15![Southwest logo]()
$277
This American Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:05 pm
ORD
- SFO
Nonstop4h 40m
American Airlines
Wed 8/195:07 pm
SFO
- ORD
Nonstop4h 23m
American Airlines
Deal found 7/15![American Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 7/17. 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 8/139:10 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Tue 8/181:25 pm
SFO
- MDW
1 stop7h 25m
Southwest
Deal found 7/17![Southwest logo]()
$279
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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.
Sun 8/167:29 am
ORD
- SFO
1 stop27h 14m
Frontier
Thu 8/208:56 pm
SFO
- ORD
1 stop20h 06m
Frontier
Deal found 7/19![Frontier logo]()
$279
This Southwest deal was found by Cheapflights users on 7/15. 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
Thu 8/203:20 pm
SFO
- MDW
1 stop6h 25m
Southwest
Deal found 7/15![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 7/16. 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 8/187:15 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Sat 8/2211:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 7/16![Southwest logo]()
$282
This Frontier deal was found by Cheapflights users on 7/18. 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.
Wed 8/192:41 pm
ORD
- SFO
1 stop11h 37m
Frontier
Thu 8/2012:29 am
SFO
- ORD
1 stop13h 31m
Frontier
Deal found 7/18![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/192:41 pm
ORD
- SFO
2 stops21h 34m
Frontier
Sun 8/238:23 pm
SFO
- ORD
1 stop7h 36m
Frontier
Deal found 7/15![Frontier logo]()
$282
This Frontier deal was found by Cheapflights users on 7/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:05 am
ORD
- SFO
1 stop13h 58m
Frontier
Sat 8/2212:29 am
SFO
- ORD
1 stop13h 31m
Frontier
Deal found 7/19![Frontier logo]()
$280
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 20, 2026.
Search for one-way flight options from Chicago to Fremont. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/17. 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.
Sat 9/127:25 am
MDW
- SFO
2 stops18h 20m
Frontier
Deal found 7/17![Frontier logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 7/18. 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.
Mon 10/126:50 am
ORD
- SFO
1 stop19h 01m
Frontier
Deal found 7/18![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/115:46 pm
MDW
- SFO
2 stops18h 39m
Frontier
Deal found 7/19![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 7/19. 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.
Sun 8/167:29 am
ORD
- SFO
1 stop27h 14m
Frontier
Deal found 7/19![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/146:17 pm
MDW
- SFO
2 stops16h 26m
Frontier
Deal found 7/15![Frontier logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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 10/92:21 pm
ORD
- SFO
1 stop10h 20m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$167
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Wed 10/74:40 pm
ORD
- SFO
Nonstop4h 52m
United Airlines
Deal found 7/17![United Airlines logo]()
$168
This Frontier deal was found by Cheapflights users on 7/18. 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.
Sun 9/207:25 am
MDW
- SFO
1 stop12h 55m
Frontier
Deal found 7/18![Frontier logo]()
$169
This United Airlines deal was found by Cheapflights users on 7/14. 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 9/129:40 pm
ORD
- SFO
Nonstop4h 50m
United Airlines
Deal found 7/14![United Airlines logo]()
$169
This Super.com deal was found by Cheapflights users on 7/16. 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 7/2912:11 pm
MDW
- SFO
1 stop9h 07m
Frontier
Deal found 7/16![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/67:29 am
ORD
- SFO
1 stop11h 07m
Frontier
Deal found 7/15![Frontier logo]()
$170
This KAYAK deal was found by Cheapflights users on 7/16. 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.
Sat 9/127:20 am
ORD
- SFO
1 stop9h 25m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$171
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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Southwest) |
One-way from | $165 (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 20, 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
Sat 9/5
7:55 am-3:50 pm
2 stops9h 55m
San Francisco
Mon 9/7
10:30 pm-9:00 am
1 stop8h 30m
$278
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 9/2
12:20 pm-5:00 pm
1 stop6h 40m
San Francisco
Wed 9/9
11:40 pm-5:50 am
Nonstop4h 10m
$279
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Tue 8/18
3:10 pm-9:10 pm
2 stops8h 00m
San Francisco
Wed 8/19
6:35 am-4:00 pm
2 stops7h 25m
$283
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 10/14
10:00 am-12:45 pm
Nonstop4h 45m
San Francisco
Wed 10/21
6:55 am-4:45 pm
2 stops7h 50m
$284
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Tue 8/18
3:05 pm-9:10 pm
1 stop8h 05m
San Francisco
Tue 8/25
5:40 am-5:10 pm
2 stops9h 30m
$294
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Mon 8/17
2:50 pm-9:40 pm
1 stop8h 50m
San Francisco
Mon 8/24
7:00 am-5:20 pm
2 stops8h 20m
$294
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Mon 10/12
8:25 pm-12:40 am
1 stop6h 15m
San Francisco
Thu 10/15
4:00 pm-12:30 am
1 stop6h 30m
$297
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 9/10
5:00 pm-10:50 pm
2 stops7h 50m
San Francisco
Mon 9/14
2:00 pm-11:45 pm
1 stop7h 45m
$302
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Tue 10/13
9:40 pm-12:30 am
Nonstop4h 50m
San Francisco
Mon 10/19
5:00 am-11:25 am
Nonstop4h 25m
$304
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 8/21
6:15 am-1:10 pm
1 stop8h 55m
San Francisco
Mon 8/24
5:35 am-11:40 am
Nonstop4h 05m
$321
Showing 1-10 of 46 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.
MDW-SFO
ORD-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
MDW-SFO
ORD-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 20, 2026.
It’s typically best to fly out from Chicago to Fremont in the evening. Doing so could potentially save you 15% 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 20, 2026.
The most flights from CHI to FR8 are scheduled on a Sunday (92 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (67 on average).
How much does it cost to fly round-trip from Chicago to Fremont?
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 11, 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 20, 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
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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Find flights from Chicago to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Fremont flights
Browse other Chicago and Fremont flight options. Last updated on July 20, 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 20, 2026.
Popular flight searches
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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$80 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$159 | Average$308 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$478 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$230 | Average$392 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$243 | Average$473 | FlexibilityNo cancel fee | On-time69% |