$132+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
May 30 — Jun 61
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 July, 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 April 30, 2026.
Explore the most affordable flight options available from Chicago to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:45 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Mon 6/111:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/28![Southwest logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:49 pm
ORD
- SFO
1 stop15h 29m
Alaska Airlines
Wed 6/36:16 am
SFO
- ORD
1 stop10h 34m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$265
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:50 pm
MDW
- SFO
2 stops10h 35m
Southwest
Sat 5/3011:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/25![Southwest logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:05 pm
ORD
- SFO
2 stops20h 33m
Frontier
Mon 6/810:50 pm
SFO
- ORD
1 stop28h 17m
Frontier
Deal found 4/29![Frontier logo]()
$266
This Trip.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:04 pm
MDW
- SFO
1 stop9h 30m
Frontier
Mon 5/1811:59 pm
SFO
- MDW
1 stop12h 13m
Frontier
Deal found 4/25![Frontier logo]()
$267
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:45 am
ORD
- SFO
Nonstop4h 40m
American Airlines
Sat 6/611:10 pm
SFO
- ORD
Nonstop4h 29m
American Airlines
Deal found 4/26![American Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:40 pm
ORD
- SFO
1 stop12h 24m
Frontier
Sat 5/308:48 pm
SFO
- ORD
1 stop7h 46m
Frontier
Deal found 4/29![Frontier logo]()
$268
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Fri 6/197:20 am
ORD
- SFO
1 stop8h 56m
Frontier
Mon 6/223:59 pm
SFO
- ORD
1 stop11h 08m
Frontier
Deal found 4/30![Frontier logo]()
$269
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:15 am
MDW
- SFO
1 stop7h 25m
Southwest
Tue 5/2611:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/26![Southwest logo]()
$270
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:55 am
ORD
- SFO
1 stop14h 39m
Frontier
Thu 5/288:48 pm
SFO
- ORD
1 stop7h 46m
Frontier
Deal found 4/28![Frontier logo]()
$270
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:22 am
MDW
- SFO
1 stop6h 53m
Delta
Wed 5/2711:59 pm
SFO
- MDW
1 stop6h 44m
Delta
Deal found 4/28![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:45 pm
ORD
- SFO
1 stop6h 27m
Delta
Tue 6/91:20 pm
SFO
- ORD
1 stop6h 37m
Delta
Deal found 4/28![Delta logo]()
$271
Best flights from Chicago to FremontDiscover carefully curated flight deals from Chicago to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
Discover carefully curated flight deals from Chicago to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:45 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Sat 6/611:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/25![Southwest logo]()
$284
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:54 am
MDW
- SFO
1 stop9h 21m
Delta
Sun 6/2112:40 am
SFO
- MDW
1 stop5h 57m
Delta
Deal found 4/25![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:40 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Wed 5/273:16 pm
SFO
- ORD
Nonstop4h 34m
United Airlines
Deal found 4/25![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Mon 6/811:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/25![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:45 pm
ORD
- SFO
1 stop6h 12m
Delta
Mon 6/85:40 am
SFO
- ORD
1 stop8h 46m
Delta
Deal found 4/25![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:48 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Fri 5/2912:50 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 4/28![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:30 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Mon 8/105:35 am
SFO
- MDW
Nonstop4h 05m
Southwest
Deal found 4/29![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Tue 8/44:21 pm
SFO
- ORD
Nonstop4h 38m
United Airlines
Deal found 4/26![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Mon 7/65:50 am
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 4/27![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Tue 7/2111:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/29![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:45 pm
ORD
- SFO
1 stop6h 27m
Delta
Thu 6/41:35 pm
SFO
- ORD
1 stop8h 20m
Delta
Deal found 4/25![Delta logo]()
$422
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:45 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Sat 9/195:05 am
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 4/27![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Mon 7/67:45 pm
SFO
- MDW
1 stop6h 55m
Southwest
Deal found 4/29![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:33 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Tue 7/76:05 am
SFO
- ORD
Nonstop4h 36m
United Airlines
Deal found 4/27![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Mon 7/207:45 pm
SFO
- MDW
1 stop6h 55m
Southwest
Deal found 4/28![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Tue 7/2812:10 pm
SFO
- MDW
2 stops8h 55m
Southwest
Deal found 4/25![Southwest logo]()
$350
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Wed 7/295:00 am
SFO
- MDW
2 stops7h 35m
Southwest
Deal found 4/28![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Fri 6/196:34 pm
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 4/29![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:30 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Tue 9/810:30 pm
SFO
- MDW
1 stop8h 30m
Southwest
Deal found 4/27![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:40 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Wed 6/35:05 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 4/25![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:00 pm
MDW
- SFO
1 stop7h 25m
Southwest
Tue 6/303:10 pm
SFO
- MDW
1 stop6h 55m
Southwest
Deal found 4/28![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:40 am
ORD
- SFO
Nonstop4h 44m
United Airlines
Fri 5/154:55 pm
SFO
- ORD
Nonstop4h 34m
United Airlines
Deal found 4/29![United Airlines logo]()
$481
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:20 pm
ORD
- SFO
1 stop6h 50m
Southwest
Mon 5/2510:55 pm
SFO
- ORD
1 stop11h 55m
Southwest
Deal found 4/29![Southwest logo]()
$381
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:15 pm
ORD
- SFO
2 stops9h 55m
Southwest
Sun 5/316:45 am
SFO
- ORD
2 stops10h 05m
Southwest
Deal found 4/28![Southwest logo]()
$422
Last-minute flights from Chicago to FremontDiscover last-minute flight deals from Chicago to Fremont. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Fremont. Data last updated April 30, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:04 pm
MDW
- SFO
1 stop9h 30m
Frontier
Mon 5/1811:59 pm
SFO
- MDW
1 stop12h 13m
Frontier
Deal found 4/25![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:40 pm
ORD
- SFO
1 stop12h 24m
Frontier
Sat 5/308:48 pm
SFO
- ORD
1 stop7h 46m
Frontier
Deal found 4/29![Frontier logo]()
$268
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:55 am
ORD
- SFO
1 stop14h 39m
Frontier
Tue 5/268:48 pm
SFO
- ORD
1 stop7h 46m
Frontier
Deal found 4/29![Frontier logo]()
$269
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:15 am
MDW
- SFO
1 stop7h 25m
Southwest
Tue 5/2611:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/26![Southwest logo]()
$270
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:55 am
ORD
- SFO
1 stop14h 39m
Frontier
Thu 5/288:48 pm
SFO
- ORD
1 stop7h 46m
Frontier
Deal found 4/28![Frontier logo]()
$270
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:22 am
MDW
- SFO
1 stop6h 53m
Delta
Wed 5/2711:59 pm
SFO
- MDW
1 stop6h 44m
Delta
Deal found 4/28![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:00 am
ORD
- SFO
1 stop9h 15m
Delta
Tue 6/211:55 pm
SFO
- ORD
1 stop8h 21m
Delta
Deal found 4/28![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:50 pm
MDW
- SFO
2 stops10h 35m
Southwest
Sat 5/3011:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/25![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:45 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Mon 6/111:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 4/28![Southwest logo]()
$265
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:45 am
ORD
- SFO
Nonstop4h 40m
American Airlines
Sat 6/611:10 pm
SFO
- ORD
Nonstop4h 29m
American Airlines
Deal found 4/26![American Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:49 pm
ORD
- SFO
1 stop15h 29m
Alaska Airlines
Wed 6/36:16 am
SFO
- ORD
1 stop10h 34m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:05 pm
ORD
- SFO
2 stops20h 33m
Frontier
Mon 6/810:50 pm
SFO
- ORD
1 stop28h 17m
Frontier
Deal found 4/29![Frontier logo]()
$266
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 April 30, 2026.
Search for one-way flight options from Chicago to Fremont. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:05 am
ORD
- SFO
1 stop14h 08m
Frontier
Deal found 4/28![Frontier logo]()
$132
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:45 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Deal found 4/28![Southwest logo]()
$133
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:13 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Deal found 4/28![United Airlines logo]()
$133
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:50 pm
MDW
- SFO
2 stops10h 35m
Southwest
Deal found 4/25![Southwest logo]()
$134
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:45 am
ORD
- SFO
Nonstop4h 58m
American Airlines
Deal found 4/25![American Airlines logo]()
$134
This Trip.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:57 pm
ORD
- SFO
1 stop28h 21m
Frontier
Deal found 4/26![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:37 pm
ORD
- SFO
2 stops21h 04m
Frontier
Deal found 4/28![Frontier logo]()
$136
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:50 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Deal found 4/25![Southwest logo]()
$137
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:46 pm
ORD
- SFO
1 stop26h 18m
Frontier
Deal found 4/29![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/229:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Deal found 4/27![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/129:37 pm
ORD
- SFO
1 stop28h 46m
Frontier
Deal found 4/30![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:04 pm
ORD
- SFO
2 stops23h 18m
Frontier
Deal found 4/27![Frontier logo]()
$140
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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $265 (Southwest) |
One-way from | $132 (Frontier) |
Popular in | February |
Cheapest in | September |
Average price | $387 |
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 April 30, 2026.
Use the filters below to find and compare flights from Chicago to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 5/28
9:45 pm-12:20 am
Nonstop4h 35m
San Francisco
Sat 6/6
11:40 pm-5:55 am
Nonstop4h 15m
$284
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 6/17
9:54 am-5:15 pm
1 stop9h 21m
San Francisco
Sun 6/21
12:40 am-8:37 am
1 stop5h 57m
$306
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 6/5
9:30 pm-12:10 am
Nonstop4h 40m
San Francisco
Mon 6/8
11:40 pm-5:55 am
Nonstop4h 15m
$309
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Fri 6/5
7:45 pm-11:57 pm
1 stop6h 12m
San Francisco
Mon 6/8
5:40 am-4:26 pm
1 stop8h 46m
$329
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Wed 5/27
7:40 am-10:29 am
Nonstop4h 49m
San Francisco
Wed 5/27
3:16 pm-9:50 pm
Nonstop4h 34m
$337
Quickest round-trip
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 8/7
9:30 pm-12:05 am
Nonstop4h 35m
San Francisco
Mon 8/10
5:35 am-11:40 am
Nonstop4h 05m
$344
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 7/3
9:30 pm-12:10 am
Nonstop4h 40m
San Francisco
Mon 7/6
5:50 am-12:00 pm
Nonstop4h 10m
$344
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 7/17
9:30 pm-12:10 am
Nonstop4h 40m
San Francisco
Tue 7/21
11:40 pm-5:55 am
Nonstop4h 15m
$344
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 7/2
9:30 pm-12:10 am
Nonstop4h 40m
San Francisco
Mon 7/6
7:45 pm-4:40 am
1 stop6h 55m
$345
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 7/16
9:30 pm-12:10 am
Nonstop4h 40m
San Francisco
Mon 7/20
7:45 pm-4:40 am
1 stop6h 55m
$345
Showing 1-10 of 47 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 April 30, 2026.
It’s typically best to fly out from Chicago to Fremont at noon. Doing so could potentially save you 16% 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 April 25, 2026.
Travelers seeking maximum savings on their Chicago to Fremont flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 April 30, 2026.
The most flights from CHI to FR8 are scheduled on a Thursday (83 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (47 on average).
How much does it cost to fly round-trip from Chicago to Fremont?
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 April 30, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andUnited Airlines from Chicago to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 April 30, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on April 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Chicago to Fremont
Discover the top 8 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 April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$120 | Average$232 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$434 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$304 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$320 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$197 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$449 | FlexibilityNo cancel fee | On-time69% |