$139+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Jul 12 — Jul 191
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 69 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 June 12, 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 June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:06 am
ORD
- SFO
1 stop7h 51m
Multiple Airlines
Tue 10/138:20 am
SFO
- ORD
1 stop8h 33m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/295:30 am
MDW
- SFO
1 stop6h 20m
Southwest
Tue 8/411:05 pm
SFO
- MDW
1 stop9h 50m
Southwest
Deal found 6/7![Southwest logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/147:15 am
ORD
- SFO
2 stops16h 23m
Frontier
Tue 7/288:23 pm
SFO
- ORD
1 stop7h 54m
Frontier
Deal found 6/7![Frontier logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:20 am
ORD
- SFO
1 stop7h 29m
Multiple Airlines
Sat 7/189:00 pm
SFO
- ORD
1 stop6h 37m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 6/269:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Sat 7/410:58 pm
SFO
- ORD
1 stop28h 39m
Frontier
Deal found 6/7![Frontier logo]()
$296
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/69:30 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Mon 8/1011:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 6/10![Southwest logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:20 am
ORD
- SFO
1 stop7h 29m
Multiple Airlines
Mon 7/209:00 pm
SFO
- ORD
1 stop6h 37m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$297
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Sat 7/46:00 am
MDW
- SFO
1 stop15h 26m
Frontier
Sat 7/1111:00 pm
SFO
- MDW
1 stop10h 07m
Frontier
Deal found 6/12![Frontier logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/147:05 am
ORD
- SFO
1 stop14h 13m
Frontier
Fri 7/179:39 pm
SFO
- ORD
1 stop21h 13m
Frontier
Deal found 6/9![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/305:20 am
MDW
- SFO
2 stops8h 00m
Southwest
Wed 8/57:25 pm
SFO
- MDW
1 stop7h 05m
Southwest
Deal found 6/8![Southwest logo]()
$299
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 11/156:00 am
ORD
- SFO
1 stop13h 50m
Frontier
Tue 11/174:00 pm
SFO
- ORD
1 stop11h 35m
Frontier
Deal found 6/11![Frontier logo]()
$299
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 10/236:00 am
MDW
- SFO
1 stop6h 15m
Southwest
Mon 10/265:30 am
SFO
- MDW
Nonstop4h 05m
Southwest
Deal found 6/10![Southwest logo]()
$300
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 June 12, 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 June 12, 2026.
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/107:45 pm
SFO
- MDW
1 stop6h 45m
Southwest
Deal found 6/8![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/45:10 pm
MDW
- SFO
1 stop8h 48m
Delta
Mon 8/1012:12 am
SFO
- MDW
1 stop6h 27m
Delta
Deal found 6/10![Delta logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/262:18 pm
ORD
- SFO
1 stop9h 24m
Alaska Airlines
Fri 10/28:53 pm
SFO
- ORD
1 stop7h 27m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/48:04 pm
ORD
- SFO
Nonstop4h 53m
United Airlines
Thu 7/93:10 pm
SFO
- ORD
Nonstop4h 28m
United Airlines
Deal found 6/11![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/146:20 am
MDW
- SFO
1 stop6h 35m
Southwest
Wed 7/155:15 am
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 6/10![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/189:54 am
MDW
- SFO
1 stop8h 31m
Delta
Mon 7/2012:35 am
SFO
- MDW
1 stop6h 02m
Delta
Deal found 6/10![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/257:40 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Sat 8/2910:35 pm
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 6/7![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/49:54 am
MDW
- SFO
1 stop8h 30m
Delta
Mon 7/612:35 am
SFO
- MDW
1 stop6h 02m
Delta
Deal found 6/9![Delta logo]()
$314
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/26:25 pm
MDW
- SFO
2 stops8h 05m
Southwest
Wed 7/1512:15 pm
SFO
- MDW
1 stop9h 10m
Southwest
Deal found 6/11![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/209:35 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Sun 8/212:50 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 6/9![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 6/307:45 am
ORD
- SFO
2 stops13h 10m
Delta
Wed 7/812:42 pm
SFO
- ORD
1 stop7h 10m
Delta
Deal found 6/9![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/69:30 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Wed 8/1211:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 6/11![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 10/28:09 pm
ORD
- SFO
Nonstop4h 50m
United Airlines
Sun 10/45:00 am
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 6/10![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 45m
Southwest
Mon 7/2711:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 6/7![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:35 am
ORD
- SFO
1 stop7h 08m
Delta
Sun 7/512:35 am
SFO
- ORD
1 stop6h 00m
Delta
Deal found 6/11![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:50 am
ORD
- SFO
Nonstop4h 48m
United Airlines
Sun 7/194:21 pm
SFO
- ORD
Nonstop4h 38m
United Airlines
Deal found 6/10![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/28:40 am
MDW
- SFO
1 stop7h 45m
Southwest
Sat 7/115:20 am
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 6/10![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:30 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Tue 9/2910:30 pm
SFO
- MDW
1 stop8h 30m
Southwest
Deal found 6/7![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/309:35 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Mon 7/611:30 pm
SFO
- ORD
Nonstop4h 27m
United Airlines
Deal found 6/8![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/75:35 am
MDW
- SFO
1 stop7h 50m
Southwest
Fri 7/1011:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 6/7![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Mon 7/2712:50 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 6/7![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/2411:50 am
MDW
- SFO
1 stop8h 25m
Southwest
Tue 7/2811:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 6/8![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Sun 7/2612:50 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 6/7![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:30 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Sat 7/43:10 pm
SFO
- ORD
Nonstop4h 28m
United Airlines
Deal found 6/7![United Airlines logo]()
$433
Last-minute flights from Chicago to FremontDiscover last-minute flight deals from Chicago to Fremont. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Fremont. Data last updated June 12, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 6/1112:31 pm
ORD
- SFO
1 stop12h 31m
Frontier
Wed 8/198:30 pm
SFO
- ORD
1 stop7h 49m
Frontier
Deal found 6/7![Frontier logo]()
$299
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 6/269:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Sat 7/410:58 pm
SFO
- ORD
1 stop28h 39m
Frontier
Deal found 6/7![Frontier logo]()
$296
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 6/269:48 pm
ORD
- SFO
1 stop25h 10m
Frontier
Fri 7/109:39 pm
SFO
- ORD
1 stop21h 13m
Frontier
Deal found 6/10![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:20 am
ORD
- SFO
1 stop7h 29m
Multiple Airlines
Sat 7/189:00 pm
SFO
- ORD
1 stop6h 37m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$295
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Sat 7/46:00 am
MDW
- SFO
1 stop15h 26m
Frontier
Sat 7/1111:00 pm
SFO
- MDW
1 stop10h 07m
Frontier
Deal found 6/12![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/147:15 am
ORD
- SFO
2 stops16h 23m
Frontier
Mon 7/279:00 pm
SFO
- ORD
1 stop6h 37m
Frontier
Deal found 6/7![Frontier logo]()
$294
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/147:05 am
ORD
- SFO
1 stop14h 13m
Frontier
Fri 7/178:23 pm
SFO
- ORD
1 stop7h 54m
Frontier
Deal found 6/9![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:15 am
ORD
- SFO
2 stops16h 23m
Frontier
Sat 7/259:00 pm
SFO
- ORD
1 stop6h 37m
Frontier
Deal found 6/7![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:20 am
ORD
- SFO
1 stop7h 29m
Multiple Airlines
Sat 7/259:00 pm
SFO
- ORD
1 stop6h 37m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/295:30 am
MDW
- SFO
1 stop6h 20m
Southwest
Tue 8/411:05 pm
SFO
- MDW
1 stop9h 50m
Southwest
Deal found 6/7![Southwest logo]()
$294
This Frontier deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/296:05 am
MDW
- SFO
1 stop15h 13m
Frontier
Tue 8/410:10 pm
SFO
- MDW
1 stop9h 41m
Frontier
Deal found 6/11![Frontier logo]()
$297
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/305:20 am
MDW
- SFO
2 stops8h 00m
Southwest
Wed 8/57:25 pm
SFO
- MDW
1 stop7h 05m
Southwest
Deal found 6/8![Southwest logo]()
$299
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 June 12, 2026.
Search for one-way flight options from Chicago to Fremont. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This Frontier deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/63:02 pm
MDW
- SFO
1 stop9h 55m
Frontier
Deal found 6/7![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/259:48 pm
ORD
- SFO
2 stops25h 33m
Frontier
Deal found 6/8![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:20 am
ORD
- SFO
1 stop15h 34m
Frontier
Deal found 6/7![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/77:05 am
ORD
- SFO
1 stop14h 08m
Frontier
Deal found 6/11![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/239:48 pm
ORD
- SFO
1 stop28h 34m
Frontier
Deal found 6/8![Frontier logo]()
$143
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:45 pm
MDW
- SFO
2 stops7h 50m
Southwest
Deal found 6/8![Southwest logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/29:48 pm
ORD
- SFO
2 stops18h 38m
Frontier
Deal found 6/12![Frontier logo]()
$145
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 12/79:55 am
MDW
- SFO
1 stop7h 50m
Southwest
Deal found 6/10![Southwest logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 stops19h 36m
Frontier
Deal found 6/9![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/115:30 pm
ORD
- SFO
2 stops32h 48m
Frontier
Deal found 6/10![Frontier logo]()
$147
This Super.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
Thu 7/212:27 pm
MDW
- SFO
1 stop8h 59m
Frontier
Deal found 6/10![Frontier logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 8/47:15 am
ORD
- SFO
1 stop14h 37m
Frontier
Deal found 6/10![Frontier logo]()
$149
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 June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (Kiwi.com) |
One-way from | $139 (Frontier) |
Popular in | June |
Cheapest in | September |
Average price | $442 |
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 June 12, 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
Fri 8/7
9:30 pm-12:05 am
Nonstop4h 35m
San Francisco
Mon 8/10
7:45 pm-4:30 am
1 stop6h 45m
$300
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Tue 7/14
6:20 am-10:55 am
1 stop6h 35m
San Francisco
Wed 7/15
5:15 am-11:25 am
Nonstop4h 10m
$304
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Tue 8/4
5:10 pm-11:58 pm
1 stop8h 48m
San Francisco
Mon 8/10
12:12 am-8:39 am
1 stop6h 27m
$308
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Sat 7/18
9:54 am-4:25 pm
1 stop8h 31m
San Francisco
Mon 7/20
12:35 am-8:37 am
1 stop6h 02m
$314
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Sat 7/4
9:54 am-4:24 pm
1 stop8h 30m
San Francisco
Mon 7/6
12:35 am-8:37 am
1 stop6h 02m
$314
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 7/2
6:25 pm-12:30 am
2 stops8h 05m
San Francisco
Wed 7/15
12:15 pm-11:25 pm
1 stop9h 10m
$319
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Sat 9/26
2:18 pm-9:42 pm
1 stop9h 24m
San Francisco
Fri 10/2
8:53 pm-6:20 am
1 stop7h 27m
$324
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Tue 6/30
7:45 am-6:55 pm
2 stops13h 10m
San Francisco
Wed 7/8
12:42 pm-9:52 pm
1 stop7h 10m
$329
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Sat 7/4
8:04 pm-10:57 pm
Nonstop4h 53m
San Francisco
Thu 7/9
3:10 pm-9:38 pm
Nonstop4h 28m
$335
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Tue 8/25
7:40 am-10:29 am
Nonstop4h 49m
San Francisco
Sat 8/29
10:35 pm-5:01 am
Nonstop4h 26m
$335
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 June 12, 2026.
It’s typically best to fly out from Chicago to Fremont in the afternoon. Doing so could potentially save you 13% 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 June 12, 2026.
The most flights from CHI to FR8 are scheduled on a Friday (96 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (59 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 June 8, 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 June 12, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, 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
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
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 June 12, 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 June 12, 2026.
Popular flight searches
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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 June 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$116 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$431 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$159 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$165 | Average$351 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$201 | Average$452 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$466 | FlexibilityNo cancel fee | On-time69% |