$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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Jun 25 — Jul 21
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 74 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 May 26, 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 May 26, 2026.
This Frontier deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:05 am
MDW
- SFO
1 stop15h 08m
Frontier
Sun 8/2310:15 pm
SFO
- MDW
1 stop10h 54m
Frontier
Deal found 5/21![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 11/51:02 pm
ORD
- SFO
1 stop7h 22m
Frontier
Sun 11/85:58 pm
SFO
- ORD
1 stop9h 37m
Frontier
Deal found 5/24![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:05 am
ORD
- SFO
1 stop13h 35m
Frontier
Mon 9/219:00 pm
SFO
- ORD
1 stop6h 42m
Frontier
Deal found 5/21![Frontier logo]()
$281
This Southwest deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am
MDW
- SFO
1 stop8h 15m
Southwest
Tue 10/276:10 am
SFO
- MDW
2 stops8h 35m
Southwest
Deal found 5/21![Southwest logo]()
$282
This Trip.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/189:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Tue 6/2310:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/24![Frontier logo]()
$282
This Southwest deal was found by Cheapflights users on 5/25. 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 11/410:10 am
MDW
- SFO
2 stops10h 40m
Southwest
Wed 11/116:15 am
SFO
- MDW
2 stops8h 50m
Southwest
Deal found 5/25![Southwest logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/157:20 am
ORD
- SFO
1 stop8h 56m
Frontier
Mon 6/228:45 pm
SFO
- ORD
1 stop6h 22m
Frontier
Deal found 5/22![Frontier logo]()
$283
This Southwest deal was found by Cheapflights users on 5/25. 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 8/272:50 pm
MDW
- SFO
2 stops7h 45m
Southwest
Mon 8/3111:40 pm
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 5/25![Southwest logo]()
$284
This Southwest deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 8/296:00 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Wed 9/26:35 am
SFO
- MDW
2 stops7h 25m
Southwest
Deal found 5/24![Southwest logo]()
$285
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:55 am
ORD
- SFO
1 stop15h 02m
Frontier
Sat 8/13:43 pm
SFO
- ORD
1 stop11h 54m
Frontier
Deal found 5/26![Frontier logo]()
$285
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 7/26:00 am
MDW
- SFO
1 stop15h 26m
Frontier
Wed 7/1511:00 pm
SFO
- MDW
1 stop10h 07m
Frontier
Deal found 5/24![Frontier logo]()
$286
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:05 am
ORD
- SFO
1 stop14h 13m
Frontier
Wed 7/159:00 pm
SFO
- ORD
1 stop6h 37m
Frontier
Deal found 5/24![Frontier logo]()
$286
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 May 26, 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 May 26, 2026.
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 10/219:30 am
MDW
- SFO
1 stop6h 57m
Delta
Mon 10/2610:30 pm
SFO
- MDW
1 stop9h 22m
Delta
Deal found 5/23![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 7/159:30 pm
MDW
- SFO
Nonstop4h 45m
Southwest
Tue 7/2111:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 5/22![Southwest logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:25 pm
ORD
- SFO
1 stop7h 51m
Alaska Airlines
Wed 12/27:59 pm
SFO
- ORD
1 stop9h 01m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Fri 6/269:35 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Mon 6/296:34 pm
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 5/25![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 7/210:05 am
MDW
- SFO
1 stop6h 30m
Southwest
Wed 7/85:15 am
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 5/22![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:54 am
MDW
- SFO
1 stop10h 45m
Delta
Sun 8/3012:12 am
SFO
- MDW
1 stop6h 27m
Delta
Deal found 5/23![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 5/25. 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 7/179:30 pm
MDW
- SFO
Nonstop4h 45m
Southwest
Tue 7/215:00 am
SFO
- MDW
2 stops7h 35m
Southwest
Deal found 5/25![Southwest logo]()
$318
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Wed 7/16:34 pm
SFO
- ORD
Nonstop4h 25m
United Airlines
Deal found 5/21![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/25. 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 7/299:19 am
MDW
- SFO
2 stops14h 30m
Delta
Tue 8/254:55 pm
SFO
- MDW
2 stops16h 56m
Delta
Deal found 5/25![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 5/25. 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.
Mon 6/295:10 am
MDW
- SFO
1 stop8h 10m
Southwest
Tue 7/75:00 am
SFO
- MDW
2 stops7h 35m
Southwest
Deal found 5/25![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:00 pm
ORD
- SFO
Nonstop4h 50m
United Airlines
Tue 9/156:38 pm
SFO
- ORD
Nonstop4h 21m
United Airlines
Deal found 5/21![United Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:20 pm
ORD
- SFO
1 stop7h 52m
Alaska Airlines
Sun 7/58:53 am
SFO
- ORD
1 stop8h 04m
Alaska Airlines
Deal found 5/25![Alaska Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/294:45 pm
ORD
- SFO
1 stop7h 33m
Delta
Thu 9/310:00 am
SFO
- ORD
1 stop6h 01m
Delta
Deal found 5/22![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 7/106:25 pm
MDW
- SFO
2 stops8h 10m
Southwest
Wed 7/155:00 am
SFO
- MDW
2 stops7h 35m
Southwest
Deal found 5/22![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 5/25. 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 9/308:30 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Sun 10/46:25 am
SFO
- MDW
1 stop8h 25m
Southwest
Deal found 5/25![Southwest logo]()
$340
This United Airlines deal was found by Cheapflights users on 5/25. 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 6/177:30 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Sun 6/2111:30 pm
SFO
- ORD
Nonstop4h 23m
United Airlines
Deal found 5/25![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 7/278:50 am
ORD
- SFO
Nonstop4h 48m
United Airlines
Sun 8/26:05 am
SFO
- ORD
Nonstop4h 36m
United Airlines
Deal found 5/24![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:50 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Sat 7/1811:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 5/21![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:30 am
ORD
- SFO
1 stop7h 02m
Delta
Wed 7/226:00 am
SFO
- ORD
1 stop8h 59m
Delta
Deal found 5/21![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Fri 8/76:10 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Sat 8/812:50 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 5/25![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 7/89:30 pm
MDW
- SFO
Nonstop4h 45m
Southwest
Sat 7/115:20 am
SFO
- MDW
Nonstop4h 10m
Southwest
Deal found 5/24![Southwest logo]()
$344
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/28:50 am
ORD
- SFO
Nonstop4h 48m
United Airlines
Sun 8/912:50 am
SFO
- ORD
Nonstop4h 26m
United Airlines
Deal found 5/24![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:30 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Wed 8/1212:35 am
SFO
- ORD
Nonstop4h 21m
United Airlines
Deal found 5/22![United Airlines logo]()
$452
Last-minute flights from Chicago to FremontDiscover last-minute flight deals from Chicago to Fremont. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Fremont. Data last updated May 26, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:55 am
ORD
- SFO
1 stop15h 02m
Frontier
Sat 8/13:43 pm
SFO
- ORD
1 stop11h 54m
Frontier
Deal found 5/26![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:20 am
ORD
- SFO
1 stop8h 56m
Frontier
Sat 6/138:54 pm
SFO
- ORD
1 stop6h 13m
Frontier
Deal found 5/23![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/157:20 am
ORD
- SFO
1 stop8h 56m
Frontier
Mon 6/228:45 pm
SFO
- ORD
1 stop6h 22m
Frontier
Deal found 5/22![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:48 pm
ORD
- SFO
1 stop15h 55m
Frontier
Mon 6/228:45 pm
SFO
- ORD
1 stop6h 22m
Frontier
Deal found 5/25![Frontier logo]()
$288
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 6/176:30 am
ORD
- SFO
1 stop8h 40m
Delta
Sat 10/2410:30 pm
SFO
- ORD
1 stop9h 37m
Delta
Deal found 5/23![Delta logo]()
$290
This Trip.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/189:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Tue 6/2310:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/24![Frontier logo]()
$282
This Frontier deal was found by Cheapflights users on 5/25. 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 Frontier 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
Wed 6/248:45 pm
SFO
- ORD
1 stop6h 22m
Frontier
Deal found 5/25![Frontier logo]()
$287
This Frontier deal was found by Cheapflights users on 5/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:59 am
MDW
- SFO
1 stop9h 56m
Frontier
Fri 7/310:10 pm
SFO
- MDW
1 stop10h 54m
Frontier
Deal found 5/25![Frontier logo]()
$287
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/205:55 pm
ORD
- SFO
1 stop8h 11m
Delta
Wed 6/241:38 pm
SFO
- ORD
1 stop8h 01m
Delta
Deal found 5/22![Delta logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:20 am
ORD
- SFO
1 stop27h 31m
Frontier
Tue 6/2310:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/23![Frontier logo]()
$286
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/291:49 pm
MDW
- SFO
1 stop9h 11m
Delta
Mon 7/612:35 am
SFO
- MDW
1 stop6h 02m
Delta
Deal found 5/22![Delta logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 6/299:48 pm
ORD
- SFO
2 stops47h 47m
Frontier
Tue 7/78:23 pm
SFO
- ORD
1 stop7h 54m
Frontier
Deal found 5/23![Frontier logo]()
$291
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 May 26, 2026.
Search for one-way flight options from Chicago to Fremont. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Frontier deal was found by Cheapflights users on 5/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:05 am
MDW
- SFO
1 stop15h 13m
Frontier
Deal found 5/25![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 5/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:55 am
ORD
- SFO
1 stop14h 30m
Frontier
Deal found 5/25![Frontier logo]()
$132
This iWofly deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:06 am
ORD
- SFO
1 stop7h 51m
Frontier
Deal found 5/22![Frontier logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/177:20 am
ORD
- SFO
1 stop8h 56m
Frontier
Deal found 5/24![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/44:10 pm
MDW
- SFO
1 stop8h 52m
Frontier
Deal found 5/25![Frontier logo]()
$135
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:40 am
ORD
- SFO
Nonstop4h 46m
United Airlines
Deal found 5/21![United Airlines logo]()
$135
This Frontier deal was found by Cheapflights users on 5/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:10 pm
MDW
- SFO
1 stop8h 52m
Frontier
Deal found 5/25![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 11/1711:06 am
ORD
- SFO
1 stop7h 51m
Frontier
Deal found 5/24![Frontier logo]()
$136
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/241:49 pm
MDW
- SFO
1 stop9h 11m
Delta
Deal found 5/22![Delta logo]()
$137
This Delta deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 6/247:37 pm
ORD
- SFO
1 stop6h 21m
Delta
Deal found 5/22![Delta logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/1612:31 pm
ORD
- SFO
1 stop12h 31m
Frontier
Deal found 5/24![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:55 pm
ORD
- SFO
1 stop8h 04m
Delta
Deal found 5/21![Delta logo]()
$139
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 May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $280 (Frontier) |
One-way from | $132 (Frontier) |
Popular in | February |
Cheapest in | September |
Average price | $386 |
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 May 26, 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
Wed 10/21
9:30 am-2:27 pm
1 stop6h 57m
San Francisco
Mon 10/26
10:30 pm-9:52 am
1 stop9h 22m
$290
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 7/15
9:30 pm-12:15 am
Nonstop4h 45m
San Francisco
Tue 7/21
11:40 pm-5:55 am
Nonstop4h 15m
$294
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 7/2
10:05 am-2:35 pm
1 stop6h 30m
San Francisco
Wed 7/8
5:15 am-11:25 am
Nonstop4h 10m
$304
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 8/27
10:54 am-7:39 pm
1 stop10h 45m
San Francisco
Sun 8/30
12:12 am-8:39 am
1 stop6h 27m
$307
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Thu 11/19
2:25 pm-8:16 pm
1 stop7h 51m
San Francisco
Wed 12/2
7:59 pm-7:00 am
1 stop9h 01m
$315
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 7/17
9:30 pm-12:15 am
Nonstop4h 45m
San Francisco
Tue 7/21
5:00 am-2:35 pm
2 stops7h 35m
$318
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Mon 6/29
5:10 am-11:20 am
1 stop8h 10m
San Francisco
Tue 7/7
5:00 am-2:35 pm
2 stops7h 35m
$319
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 7/10
6:25 pm-12:35 am
2 stops8h 10m
San Francisco
Wed 7/15
5:00 am-2:35 pm
2 stops7h 35m
$333
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 7/29
9:19 am-9:49 pm
2 stops14h 30m
San Francisco
Tue 8/25
4:55 pm-11:51 am
2 stops16h 56m
$337
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 9/30
8:30 pm-11:05 pm
Nonstop4h 35m
San Francisco
Sun 10/4
6:25 am-4:50 pm
1 stop8h 25m
$340
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 May 26, 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 May 26, 2026.
The most flights from CHI to FR8 are scheduled on a Monday (94 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 May 23, 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 May 26, 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.
Entertainment
7.0
Food
7.1
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Food
7.1
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Food
7.1
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Food
7.1
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Food
7.1
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Food
7.1
Overall
7.9
Comfort
7.8
Boarding
8.1
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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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 May 26, 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 May 26, 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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$116 | Average$236 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$439 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$165 | Average$358 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$200 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$227 | Average$462 | FlexibilityNo cancel fee | On-time69% |