$113+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Mar 23 — Mar 301
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 July or April, booked 83 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Chicago to Fremont
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Best
Last-minute
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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 February 21, 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 February 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:20 am
ORD
- SFO
1 stop17h 14m
Multiple Airlines
Wed 6/39:00 pm
SFO
- ORD
1 stop6h 50m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$226
This Southwest deal was found by Cheapflights users on 2/18. 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.
Thu 3/127:55 am
MDW
- SFO
1 stop9h 30m
Southwest
Sun 3/155:05 am
SFO
- MDW
Nonstop4h 00m
Southwest
Deal found 2/18![Southwest logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:51 am
ORD
- SFO
1 stop11h 48m
Frontier
Sun 3/810:40 pm
SFO
- ORD
1 stop10h 16m
Frontier
Deal found 2/18![Frontier logo]()
$227
This Lucky2Go deal was found by Cheapflights users on 2/19. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/123:07 pm
ORD
- SFO
1 stop9h 40m
Multiple Airlines
Wed 3/188:09 pm
SFO
- ORD
1 stop6h 40m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$228
This Southwest deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:50 pm
MDW
- SFO
2 stops10h 35m
Southwest
Sat 4/1811:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 2/21![Southwest logo]()
$229
This Cheapflightsfares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:51 am
ORD
- SFO
1 stop11h 48m
Frontier
Thu 3/510:40 pm
SFO
- ORD
1 stop10h 16m
Frontier
Deal found 2/19![Frontier logo]()
$229
This Southwest deal was found by Cheapflights users on 2/20. 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 4/109:45 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Sat 4/181:15 pm
SFO
- MDW
1 stop13h 20m
Southwest
Deal found 2/20![Southwest logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Thu 3/127:00 am
ORD
- SFO
1 stop10h 48m
Hawaiian Airlines
Wed 3/186:35 am
SFO
- ORD
1 stop10h 27m
Hawaiian Airlines
Deal found 2/19![Hawaiian Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:50 am
ORD
- SFO
1 stop13h 44m
Frontier
Sun 5/39:24 pm
SFO
- ORD
2 stops30h 26m
Frontier
Deal found 2/20![Frontier logo]()
$231
This Southwest deal was found by Cheapflights users on 2/20. 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 4/69:25 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Thu 4/911:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 2/20![Southwest logo]()
$232
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Sat 4/46:45 am
ORD
- SFO
Nonstop4h 55m
American Airlines
Sat 4/1111:28 pm
SFO
- ORD
Nonstop4h 17m
American Airlines
Deal found 2/18![American Airlines logo]()
$232
This Southwest deal was found by Cheapflights users on 2/19. 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 4/229:00 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Wed 5/63:55 pm
SFO
- MDW
1 stop10h 40m
Southwest
Deal found 2/19![Southwest logo]()
$233
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 February 21, 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 February 21, 2026.
This Southwest deal was found by Cheapflights users on 2/18. 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 5/123:00 pm
MDW
- SFO
1 stop7h 55m
Southwest
Tue 5/195:25 am
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 2/18![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/141:10 pm
MDW
- SFO
1 stop7h 57m
Delta
Tue 3/1710:40 pm
SFO
- MDW
1 stop8h 13m
Delta
Deal found 2/20![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/137:45 am
ORD
- SFO
Nonstop5h 10m
United Airlines
Wed 3/185:15 pm
SFO
- ORD
Nonstop4h 23m
United Airlines
Deal found 2/17![United Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 5/169:00 am
ORD
- SFO
2 stops14h 21m
Alaska Airlines
Wed 5/206:16 am
SFO
- ORD
1 stop10h 34m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 2/18. 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 3/306:35 pm
MDW
- SFO
2 stops7h 35m
Southwest
Tue 3/3111:25 pm
SFO
- MDW
Nonstop4h 05m
Southwest
Deal found 2/18![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:24 pm
MDW
- SFO
1 stop7h 39m
Delta
Mon 4/2011:59 pm
SFO
- MDW
1 stop6h 47m
Delta
Deal found 2/19![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:35 am
MDW
- SFO
1 stop7h 07m
Delta
Tue 4/1411:39 pm
SFO
- MDW
1 stop8h 17m
Delta
Deal found 2/20![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/17. 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 5/65:35 pm
MDW
- SFO
1 stop7h 10m
Southwest
Sun 5/105:20 am
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 2/17![Southwest logo]()
$245
This Delta deal was found by Cheapflights users on 2/18. 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.
Wed 3/257:10 pm
ORD
- SFO
1 stop6h 49m
Delta
Wed 4/15:50 am
SFO
- ORD
1 stop8h 53m
Delta
Deal found 2/18![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 3/199:15 pm
ORD
- SFO
Nonstop5h 01m
United Airlines
Sun 3/226:44 pm
SFO
- ORD
Nonstop4h 15m
United Airlines
Deal found 2/17![United Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:00 pm
MDW
- SFO
2 stops9h 15m
Southwest
Sat 4/1811:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 2/20![Southwest logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:52 pm
ORD
- SFO
1 stop9h 09m
Alaska Airlines
Sat 5/93:38 pm
SFO
- ORD
2 stops13h 02m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:10 pm
ORD
- SFO
1 stop6h 49m
Delta
Mon 3/3010:40 pm
SFO
- ORD
1 stop8h 30m
Delta
Deal found 2/19![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/17. 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 3/129:25 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Wed 3/1811:25 pm
SFO
- MDW
Nonstop4h 05m
Southwest
Deal found 2/17![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:10 am
ORD
- SFO
1 stop9h 32m
Delta
Tue 4/145:50 am
SFO
- ORD
1 stop8h 28m
Delta
Deal found 2/20![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/17. 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.
Sat 3/149:40 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Tue 3/3111:25 pm
SFO
- MDW
Nonstop4h 05m
Southwest
Deal found 2/17![Southwest logo]()
$260
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:25 am
ORD
- SFO
1 stop8h 40m
Delta
Mon 4/1311:59 pm
SFO
- ORD
1 stop6h 39m
Delta
Deal found 2/20![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/18. 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.
Sat 3/149:40 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Wed 3/255:05 am
SFO
- MDW
1 stop6h 20m
Southwest
Deal found 2/18![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 2/17. 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 3/127:25 am
ORD
- SFO
1 stop8h 39m
Delta
Fri 3/205:50 am
SFO
- ORD
1 stop8h 53m
Delta
Deal found 2/17![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 2/17. 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.
Tue 3/317:25 am
ORD
- SFO
2 stops10h 45m
Delta
Tue 4/72:55 pm
SFO
- ORD
1 stop7h 45m
Delta
Deal found 2/17![Delta logo]()
$304
Last-minute flights from Chicago to FremontDiscover last-minute flight deals from Chicago to Fremont. Data last updated February 21, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Fremont. Data last updated February 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:51 am
ORD
- SFO
1 stop11h 48m
Frontier
Sun 3/810:40 pm
SFO
- ORD
1 stop10h 16m
Frontier
Deal found 2/18![Frontier logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:51 am
ORD
- SFO
1 stop11h 48m
Frontier
Thu 3/510:40 pm
SFO
- ORD
1 stop10h 16m
Frontier
Deal found 2/19![Frontier logo]()
$229
This Southwest deal was found by Cheapflights users on 2/17. 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.
Tue 3/1010:05 am
MDW
- SFO
Nonstop4h 40m
Southwest
Mon 3/165:10 am
SFO
- MDW
Nonstop4h 00m
Southwest
Deal found 2/17![Southwest logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Wed 3/119:28 am
ORD
- SFO
1 stop11h 46m
Frontier
Mon 3/168:09 pm
SFO
- ORD
2 stops17h 06m
Frontier
Deal found 2/20![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/119:28 am
ORD
- SFO
1 stop11h 46m
Frontier
Thu 3/128:53 am
SFO
- ORD
1 stop19h 15m
Frontier
Deal found 2/19![Frontier logo]()
$234
This Southwest deal was found by Cheapflights users on 2/18. 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.
Thu 3/127:55 am
MDW
- SFO
1 stop9h 30m
Southwest
Sun 3/155:05 am
SFO
- MDW
Nonstop4h 00m
Southwest
Deal found 2/18![Southwest logo]()
$227
This Lucky2Go deal was found by Cheapflights users on 2/19. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/123:07 pm
ORD
- SFO
1 stop9h 40m
Multiple Airlines
Wed 3/188:09 pm
SFO
- ORD
1 stop6h 40m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/127:00 am
ORD
- SFO
1 stop10h 48m
Hawaiian Airlines
Wed 3/186:35 am
SFO
- ORD
1 stop10h 27m
Hawaiian Airlines
Deal found 2/18![Hawaiian Airlines logo]()
$230
This Frontier deal was found by Cheapflights users on 2/19. 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 3/128:55 pm
ORD
- SFO
1 stop13h 03m
Frontier
Wed 3/188:09 pm
SFO
- ORD
1 stop6h 40m
Frontier
Deal found 2/19![Frontier logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:00 am
ORD
- SFO
1 stop10h 48m
Alaska Airlines
Wed 3/186:35 am
SFO
- ORD
1 stop10h 27m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/237:39 pm
ORD
- SFO
1 stop27h 59m
Frontier
Mon 3/3011:43 am
SFO
- ORD
1 stop16h 25m
Frontier
Deal found 2/18![Frontier logo]()
$236
This Southwest deal was found by Cheapflights users on 2/19. 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 3/259:05 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Tue 4/711:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 2/19![Southwest logo]()
$232
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 February 21, 2026.
Search for one-way flight options from Chicago to Fremont. Find affordable one-way fares based on user searches. Data last updated February 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Sun 5/36:20 am
MDW
- SFO
2 stops30h 51m
Frontier
Deal found 2/19![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Thu 4/308:52 pm
ORD
- SFO
1 stop19h 40m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$113
This CheapOair deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:09 pm
ORD
- SFO
1 stop10h 34m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$114
This Super.com deal was found by Cheapflights users on 2/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:19 pm
MDW
- SFO
1 stop9h 20m
Frontier
Deal found 2/20![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 2/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:56 am
ORD
- SFO
1 stop11h 43m
Frontier
Deal found 2/20![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 2/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:09 pm
MDW
- SFO
1 stop8h 22m
Frontier
Deal found 2/21![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 2/18. 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.
Tue 3/249:28 am
ORD
- SFO
1 stop11h 46m
Frontier
Deal found 2/18![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/3010:36 pm
MDW
- SFO
2 stops25h 02m
Frontier
Deal found 2/19![Frontier logo]()
$117
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/113:07 pm
ORD
- SFO
1 stop10h 52m
Alaska Airlines
Deal found 2/17![Alaska Airlines logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:44 pm
ORD
- SFO
1 stop8h 26m
Frontier
Deal found 2/19![Frontier logo]()
$118
This Delta deal was found by Cheapflights users on 2/18. 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.
Fri 4/37:20 pm
MDW
- SFO
1 stop6h 42m
Delta
Deal found 2/18![Delta logo]()
$119
This Delta deal was found by Cheapflights users on 2/17. 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.
Fri 4/37:10 pm
ORD
- SFO
1 stop6h 49m
Delta
Deal found 2/17![Delta logo]()
$119
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 February 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $226 (Kiwi.com) |
One-way from | $113 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $412 |
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 February 21, 2026.
Use the filters below to find and compare flights from Chicago to Fremont that are best for you.
Fly from
Chicago
Fly to
Fremont
Route
Depart
Return
Price
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Tue 5/12
3:00 pm-8:55 pm
1 stop7h 55m
San Francisco
Tue 5/19
5:25 am-11:35 am
Nonstop4h 10m
$227
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Mon 3/30
6:35 pm-12:10 am
2 stops7h 35m
San Francisco
Tue 3/31
11:25 pm-5:30 am
Nonstop4h 05m
$232
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Sat 3/14
1:10 pm-7:07 pm
1 stop7h 57m
San Francisco
Tue 3/17
10:40 pm-8:53 am
1 stop8h 13m
$237
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 4/16
1:24 pm-7:03 pm
1 stop7h 39m
San Francisco
Mon 4/20
11:59 pm-8:46 am
1 stop6h 47m
$237
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 4/9
9:35 am-2:42 pm
1 stop7h 07m
San Francisco
Tue 4/14
11:39 pm-9:56 am
1 stop8h 17m
$237
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Wed 3/25
7:10 pm-11:59 pm
1 stop6h 49m
San Francisco
Wed 4/1
5:50 am-4:43 pm
1 stop8h 53m
$237
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Wed 3/25
7:10 pm-11:59 pm
1 stop6h 49m
San Francisco
Mon 3/30
10:40 pm-9:10 am
1 stop8h 30m
$237
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Thu 4/9
7:10 am-2:42 pm
1 stop9h 32m
San Francisco
Tue 4/14
5:50 am-4:18 pm
1 stop8h 28m
$237
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Thu 4/9
7:25 am-2:05 pm
1 stop8h 40m
San Francisco
Mon 4/13
11:59 pm-8:38 am
1 stop6h 39m
$237
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 5/6
5:35 pm-10:45 pm
1 stop7h 10m
San Francisco
Sun 5/10
5:20 am-11:30 am
Nonstop4h 10m
$245
Showing 1-10 of 38 results
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
How far ahead should I book a flight from Chicago to Fremont?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to Fremont. Price data was last updated on February 20, 2026.
To ensure you get the cheapest price possible for a flight from Chicago to Fremont, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chicago to Fremont?
Currently, October is the cheapest month in which you can book a flight from Chicago to Fremont (average of $80). Flying from Chicago to Fremont in February is currently the most expensive (average of $211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to 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 February 21, 2026.
It’s typically best to fly out from Chicago to Fremont in the evening. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.
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 February 21, 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 February 21, 2026.
The most flights from CHI to FR8 are scheduled on a Friday (75 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (50 on average).
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 February 21, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and United 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.
Comfort
7.8
Boarding
8.1
Overall
8.0
Food
7.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Boarding
8.1
Overall
8.0
Food
7.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Boarding
8.1
Overall
8.0
Food
7.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Boarding
8.1
Overall
8.0
Food
7.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Boarding
8.1
Overall
8.0
Food
7.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Boarding
8.1
Overall
8.0
Food
7.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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 February 21, 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 February 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Chicago to Fremont
Discover the top 10 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 February 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$80 | Average$205 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$83 | Average$213 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$108 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$112 | Average$374 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$128 | Average$349 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$425 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$183 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$317 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$197 | Average$427 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$426 | FlexibilityNo cancel fee | On-time69% |