$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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Jun 7 — Jun 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 May 8, 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 8, 2026.
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/210:00 am
MDW
- SFO
Nonstop4h 35m
Southwest
Sat 6/65:55 pm
SFO
- MDW
1 stop9h 30m
Southwest
Deal found 5/3![Southwest logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/199:37 pm
ORD
- SFO
1 stop28h 46m
Frontier
Wed 5/278:48 pm
SFO
- ORD
1 stop7h 46m
Frontier
Deal found 5/3![Frontier logo]()
$267
This Trip.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/179:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Wed 6/2410:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/3![Frontier logo]()
$268
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Thu 6/189:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Wed 6/2410:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/6![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/246:00 am
MDW
- SFO
1 stop15h 13m
Frontier
Thu 7/3010:10 pm
SFO
- MDW
1 stop10h 57m
Frontier
Deal found 5/5![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/29:37 pm
ORD
- SFO
1 stop12h 24m
Frontier
Wed 6/1012:38 pm
SFO
- ORD
1 stop6h 05m
Frontier
Deal found 5/6![Frontier logo]()
$270
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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
Tue 6/210:40 pm
SFO
- MDW
1 stop7h 45m
Southwest
Deal found 5/5![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/282:11 pm
ORD
- SFO
1 stop9h 19m
Delta
Wed 6/36:15 am
SFO
- ORD
1 stop8h 36m
Delta
Deal found 5/4![Delta logo]()
$271
This Frontier deal was found by Cheapflights users on 5/7. 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 5/2812:27 pm
MDW
- SFO
1 stop9h 07m
Frontier
Wed 6/311:59 pm
SFO
- MDW
1 stop12h 13m
Frontier
Deal found 5/7![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/127:20 am
ORD
- SFO
1 stop8h 56m
Frontier
Tue 6/168:45 pm
SFO
- ORD
1 stop6h 22m
Frontier
Deal found 5/6![Frontier logo]()
$272
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/238:46 pm
ORD
- SFO
1 stop26h 18m
Frontier
Sat 5/306:00 am
SFO
- ORD
1 stop12h 32m
Frontier
Deal found 5/6![Frontier logo]()
$273
This Cheapflightsfares deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/99:37 pm
ORD
- SFO
1 stop16h 10m
Frontier
Sat 8/226:00 am
SFO
- ORD
1 stop12h 53m
Frontier
Deal found 5/4![Frontier logo]()
$274
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 8, 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 8, 2026.
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/24:00 pm
MDW
- SFO
2 stops9h 15m
Southwest
Tue 6/93:35 pm
SFO
- MDW
1 stop6h 30m
Southwest
Deal found 5/5![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/57:30 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Tue 6/94:21 pm
SFO
- ORD
Nonstop4h 38m
United Airlines
Deal found 5/4![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/301:26 pm
MDW
- SFO
1 stop6h 47m
Delta
Fri 7/1712:35 am
SFO
- MDW
1 stop6h 02m
Delta
Deal found 5/5![Delta logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
ORD
- SFO
2 stops15h 30m
Alaska Airlines
Sat 8/157:04 pm
SFO
- ORD
1 stop7h 56m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 5/7. 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 5/287:40 pm
MDW
- SFO
1 stop6h 30m
Southwest
Wed 6/38:55 am
SFO
- MDW
2 stops8h 35m
Southwest
Deal found 5/7![Southwest logo]()
$286
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/36:13 am
ORD
- SFO
Nonstop4h 37m
United Airlines
Wed 6/105:05 am
SFO
- ORD
Nonstop4h 24m
United Airlines
Deal found 5/5![United Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 8/67:25 pm
MDW
- SFO
1 stop6h 22m
Delta
Sat 8/1510:59 pm
SFO
- MDW
1 stop8h 18m
Delta
Deal found 5/6![Delta logo]()
$320
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/39:00 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Sat 6/611:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 5/6![Southwest logo]()
$296
This Southwest deal was found by Cheapflights users on 5/8. 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.
Mon 9/219:30 pm
MDW
- SFO
Nonstop4h 35m
Southwest
Thu 9/2411:55 am
SFO
- MDW
1 stop6h 25m
Southwest
Deal found 5/8![Southwest logo]()
$310
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:30 am
ORD
- SFO
1 stop8h 40m
Delta
Sun 7/55:40 am
SFO
- ORD
1 stop9h 10m
Delta
Deal found 5/7![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 6/88:09 pm
ORD
- SFO
Nonstop4h 53m
United Airlines
Thu 6/1111:30 pm
SFO
- ORD
Nonstop4h 27m
United Airlines
Deal found 5/7![United Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/56:00 pm
MDW
- SFO
1 stop6h 25m
Southwest
Tue 6/93:35 pm
SFO
- MDW
1 stop6h 30m
Southwest
Deal found 5/4![Southwest logo]()
$315
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/17:30 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Sat 7/182:27 pm
SFO
- ORD
Nonstop4h 34m
United Airlines
Deal found 5/5![United Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/79:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Thu 7/911:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 5/3![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/278:04 pm
ORD
- SFO
Nonstop4h 53m
United Airlines
Wed 8/126:34 pm
SFO
- ORD
Nonstop4h 21m
United Airlines
Deal found 5/4![United Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/22:30 pm
MDW
- SFO
1 stop7h 50m
Southwest
Mon 7/611:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 5/5![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 7/97:30 am
ORD
- SFO
Nonstop4h 49m
United Airlines
Sat 7/182:27 pm
SFO
- ORD
Nonstop4h 34m
United Airlines
Deal found 5/5![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/307:10 am
MDW
- SFO
1 stop6h 50m
Southwest
Mon 8/311:40 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 5/4![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/109:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Tue 6/166:00 am
SFO
- MDW
2 stops8h 55m
Southwest
Deal found 5/6![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 6/112:46 pm
ORD
- SFO
Nonstop4h 49m
United Airlines
Thu 6/411:30 pm
SFO
- ORD
Nonstop4h 23m
United Airlines
Deal found 5/7![United Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/88:15 pm
MDW
- SFO
1 stop6h 15m
Southwest
Mon 6/152:00 pm
SFO
- MDW
2 stops8h 35m
Southwest
Deal found 5/5![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/221:35 pm
ORD
- SFO
2 stops10h 50m
Southwest
Wed 5/276:20 am
SFO
- ORD
1 stop6h 40m
Southwest
Deal found 5/6![Southwest logo]()
$440
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/226:15 am
ORD
- SFO
2 stops9h 10m
Southwest
Sun 5/2410:10 am
SFO
- ORD
2 stops10h 45m
Southwest
Deal found 5/3![Southwest logo]()
$488
Last-minute flights from Chicago to FremontDiscover last-minute flight deals from Chicago to Fremont. Data last updated May 8, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Fremont. Data last updated May 8, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/99:37 pm
ORD
- SFO
1 stop16h 10m
Frontier
Sat 8/226:00 am
SFO
- ORD
1 stop12h 53m
Frontier
Deal found 5/4![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/199:37 pm
ORD
- SFO
1 stop28h 46m
Frontier
Wed 5/278:48 pm
SFO
- ORD
1 stop7h 46m
Frontier
Deal found 5/3![Frontier logo]()
$267
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/238:46 pm
ORD
- SFO
1 stop26h 18m
Frontier
Sat 5/306:00 am
SFO
- ORD
1 stop12h 32m
Frontier
Deal found 5/6![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:27 pm
MDW
- SFO
1 stop9h 07m
Frontier
Wed 6/310:10 pm
SFO
- MDW
1 stop11h 02m
Frontier
Deal found 5/5![Frontier logo]()
$270
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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
Tue 6/210:40 pm
SFO
- MDW
1 stop7h 45m
Southwest
Deal found 5/5![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/282:11 pm
ORD
- SFO
1 stop9h 19m
Delta
Wed 6/36:15 am
SFO
- ORD
1 stop8h 36m
Delta
Deal found 5/4![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/287:40 pm
MDW
- SFO
1 stop6h 30m
Southwest
Mon 6/111:25 pm
SFO
- MDW
Nonstop4h 15m
Southwest
Deal found 5/6![Southwest logo]()
$275
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/210:00 am
MDW
- SFO
Nonstop4h 35m
Southwest
Sat 6/65:55 pm
SFO
- MDW
1 stop9h 30m
Southwest
Deal found 5/3![Southwest logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/29:37 pm
ORD
- SFO
2 stops47h 59m
Frontier
Wed 6/106:00 am
SFO
- ORD
1 stop12h 43m
Frontier
Deal found 5/5![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/127:20 am
ORD
- SFO
1 stop8h 56m
Frontier
Tue 6/168:45 pm
SFO
- ORD
1 stop6h 22m
Frontier
Deal found 5/6![Frontier logo]()
$272
This Trip.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/179:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Wed 6/2410:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/3![Frontier logo]()
$268
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Thu 6/189:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Wed 6/2410:58 pm
SFO
- ORD
1 stop28h 09m
Frontier
Deal found 5/6![Frontier logo]()
$269
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 8, 2026.
Search for one-way flight options from Chicago to Fremont. Find affordable one-way fares based on user searches. Data last updated May 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 6/279:48 pm
ORD
- SFO
1 stop28h 39m
Frontier
Deal found 5/6![Frontier logo]()
$132
This Southwest deal was found by Cheapflights users on 5/7. 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 6/49:30 pm
MDW
- SFO
Nonstop4h 40m
Southwest
Deal found 5/7![Southwest logo]()
$133
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/49:48 pm
ORD
- SFO
Nonstop4h 57m
United Airlines
Deal found 5/4![United Airlines logo]()
$133
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/34:00 pm
MDW
- SFO
2 stops9h 15m
Southwest
Deal found 5/4![Southwest logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/39:57 pm
ORD
- SFO
2 stops24h 43m
Frontier
Deal found 5/5![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/287:49 pm
MDW
- SFO
2 stops23h 18m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$135
This Super.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/1612:05 pm
ORD
- SFO
1 stop12h 59m
Frontier
Deal found 5/4![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/59:37 pm
ORD
- SFO
2 stops23h 59m
Frontier
Deal found 5/5![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 8/17:15 am
ORD
- SFO
1 stop14h 38m
Frontier
Deal found 5/5![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/32:11 pm
ORD
- SFO
1 stop9h 19m
Delta
Deal found 5/5![Delta logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/48:03 pm
MDW
- SFO
2 stops23h 04m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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.
Tue 5/269:37 pm
ORD
- SFO
1 stop12h 24m
Frontier
Deal found 5/7![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 May 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (Southwest) |
One-way from | $132 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $319 |
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 8, 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
Tue 6/2
4:00 pm-11:15 pm
2 stops9h 15m
San Francisco
Tue 6/9
3:35 pm-12:05 am
1 stop6h 30m
$282
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 5/28
7:40 pm-12:10 am
1 stop6h 30m
San Francisco
Wed 6/3
8:55 am-7:30 pm
2 stops8h 35m
$286
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Fri 6/5
7:30 am-10:19 am
Nonstop4h 49m
San Francisco
Tue 6/9
4:21 pm-10:59 pm
Nonstop4h 38m
$295
ChicagoSan Francisco
ORD - SFO
ORDSFO
Chicago O'Hare Intl
Wed 6/3
6:13 am-8:50 am
Nonstop4h 37m
San Francisco
Wed 6/10
5:05 am-11:29 am
Nonstop4h 24m
$296
Quickest round-trip
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Wed 6/3
9:00 pm-11:35 pm
Nonstop4h 35m
San Francisco
Sat 6/6
11:40 pm-5:55 am
Nonstop4h 15m
$296
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Mon 9/21
9:30 pm-12:05 am
Nonstop4h 35m
San Francisco
Thu 9/24
11:55 am-8:20 pm
1 stop6h 25m
$310
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Fri 6/5
6:00 pm-10:25 pm
1 stop6h 25m
San Francisco
Tue 6/9
3:35 pm-12:05 am
1 stop6h 30m
$315
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Tue 6/30
1:26 pm-6:13 pm
1 stop6h 47m
San Francisco
Fri 7/17
12:35 am-8:37 am
1 stop6h 02m
$316
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Thu 8/6
7:25 pm-11:47 pm
1 stop6h 22m
San Francisco
Sat 8/15
10:59 pm-9:17 am
1 stop8h 18m
$320
ChicagoSan Francisco
MDW - SFO
MDWSFO
Chicago Midway
Tue 7/7
9:30 pm-12:10 am
Nonstop4h 40m
San Francisco
Thu 7/9
11:40 pm-5:55 am
Nonstop4h 15m
$335
Showing 1-10 of 42 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 8, 2026.
It’s typically best to fly out from Chicago to Fremont at noon. Doing so could potentially save you 14% 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 May 2, 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 May 8, 2026.
The most flights from CHI to FR8 are scheduled on a Thursday (92 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (67 on average).
How much does it cost to fly round-trip from Chicago to Fremont?
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 8, 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
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Overall
7.9
Comfort
7.8
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Chicago
Popular flights
Alternative routes for Chicago to Fremont
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Fremont by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Fremont by cabin class
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 8, 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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$116 | Average$234 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$128 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$430 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$304 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$316 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$197 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$453 | FlexibilityNo cancel fee | On-time69% |