$94+ Cheap flights from St. Louis (STL) 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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 Lambert-St Louis to Fremont are usually found in October or November, booked 55 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from St. Louis to Fremont
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to FremontExplore the most affordable flight options available from St. Louis to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
Explore the most affordable flight options available from St. Louis to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:25 pm
STL
- SFO
2 stops11h 26m
Delta
Sat 10/38:59 pm
SFO
- STL
2 stops11h 32m
Delta
Deal found 7/28![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:20 pm
STL
- SFO
2 stops11h 11m
Delta
Mon 11/1610:59 pm
SFO
- STL
1 stop8h 20m
Delta
Deal found 7/29![Delta logo]()
$350
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:45 pm
STL
- SFO
1 stop15h 27m
Frontier
Fri 8/288:56 pm
SFO
- STL
1 stop18h 54m
Frontier
Deal found 7/30![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Tue 8/188:56 pm
SFO
- STL
2 stops44h 17m
Frontier
Deal found 7/29![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:10 pm
STL
- SFO
1 stop16h 37m
Frontier
Sun 9/2710:24 pm
SFO
- STL
2 stops18h 53m
Frontier
Deal found 7/29![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Wed 8/195:35 pm
SFO
- STL
1 stop23h 38m
Frontier
Deal found 7/29![Frontier logo]()
$354
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:44 pm
STL
- SFO
1 stop10h 14m
Delta
Fri 8/288:59 pm
SFO
- STL
2 stops11h 24m
Delta
Deal found 7/30![Delta logo]()
$355
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:45 pm
STL
- SFO
1 stop15h 27m
Frontier
Mon 9/73:38 pm
SFO
- STL
1 stop24h 12m
Frontier
Deal found 7/31![Frontier logo]()
$356
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:42 am
STL
- SFO
Nonstop4h 22m
United Airlines
Wed 8/2612:40 pm
SFO
- STL
Nonstop3h 59m
United Airlines
Deal found 7/29![United Airlines logo]()
$357
This Expedia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:45 pm
STL
- SFO
1 stop15h 58m
Frontier
Fri 9/46:00 am
SFO
- STL
1 stop11h 13m
Frontier
Deal found 7/31![Frontier logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Sun 8/233:38 pm
SFO
- STL
1 stop24h 12m
Frontier
Deal found 7/29![Frontier logo]()
$360
This Expedia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:08 pm
STL
- SFO
1 stop6h 10m
Multiple Airlines
Mon 8/319:13 pm
SFO
- STL
2 stops17h 57m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$362
Best flights from St. Louis to FremontDiscover carefully curated flight deals from St. Louis to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
Discover carefully curated flight deals from St. Louis to Fremont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:08 am
STL
- SFO
Nonstop4h 22m
United Airlines
Thu 10/112:45 pm
SFO
- STL
Nonstop3h 58m
United Airlines
Deal found 7/30![United Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:56 pm
STL
- SFO
1 stop15h 41m
Alaska Airlines
Tue 8/259:13 pm
SFO
- STL
2 stops17h 57m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Mon 8/3110:30 pm
SFO
- STL
1 stop9h 35m
Southwest
Deal found 7/27![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:32 pm
STL
- SFO
2 stops11h 18m
Delta
Wed 9/210:00 pm
SFO
- STL
1 stop9h 20m
Delta
Deal found 7/28![Delta logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:08 pm
STL
- SFO
1 stop7h 20m
Alaska Airlines
Mon 10/510:21 am
SFO
- STL
2 stops11h 38m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:20 pm
STL
- SFO
2 stops8h 15m
Southwest
Mon 9/146:45 am
SFO
- STL
2 stops8h 55m
Southwest
Deal found 7/31![Southwest logo]()
$442
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/118:42 am
STL
- SFO
Nonstop4h 22m
United Airlines
Sun 9/135:00 am
SFO
- STL
1 stop8h 38m
United Airlines
Deal found 7/31![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:52 pm
STL
- SFO
2 stops9h 59m
Delta
Sun 9/138:59 pm
SFO
- STL
2 stops9h 41m
Delta
Deal found 7/31![Delta logo]()
$460
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 pm
STL
- SFO
Nonstop4h 36m
United Airlines
Mon 11/164:25 pm
SFO
- STL
Nonstop3h 50m
United Airlines
Deal found 7/28![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:42 am
STL
- SFO
Nonstop4h 22m
United Airlines
Mon 9/1411:59 pm
SFO
- STL
1 stop8h 11m
United Airlines
Deal found 7/29![United Airlines logo]()
$467
Last-minute flights from St. Louis to FremontDiscover last-minute flight deals from St. Louis to Fremont. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fremont. Data last updated August 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Tue 8/188:56 pm
SFO
- STL
2 stops44h 17m
Frontier
Deal found 7/29![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Wed 8/195:35 pm
SFO
- STL
1 stop23h 38m
Frontier
Deal found 7/29![Frontier logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Sun 8/233:38 pm
SFO
- STL
1 stop24h 12m
Frontier
Deal found 7/29![Frontier logo]()
$360
This Expedia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:08 pm
STL
- SFO
1 stop6h 10m
Multiple Airlines
Mon 8/319:13 pm
SFO
- STL
2 stops17h 57m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:56 pm
STL
- SFO
1 stop15h 41m
Alaska Airlines
Tue 8/259:13 pm
SFO
- STL
2 stops17h 57m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:42 am
STL
- SFO
Nonstop4h 22m
United Airlines
Wed 8/2612:40 pm
SFO
- STL
Nonstop3h 59m
United Airlines
Deal found 7/29![United Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Wed 8/2610:40 am
SFO
- STL
1 stop7h 40m
Southwest
Deal found 7/29![Southwest logo]()
$367
This Kissandfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:27 pm
STL
- SFO
2 stops17h 16m
Frontier
Wed 8/265:35 pm
SFO
- STL
1 stop23h 38m
Frontier
Deal found 7/29![Frontier logo]()
$368
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:45 pm
STL
- SFO
1 stop15h 27m
Frontier
Fri 8/288:56 pm
SFO
- STL
1 stop18h 54m
Frontier
Deal found 7/30![Frontier logo]()
$351
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:44 pm
STL
- SFO
1 stop10h 14m
Delta
Fri 8/288:59 pm
SFO
- STL
2 stops11h 24m
Delta
Deal found 7/30![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:42 am
STL
- SFO
Nonstop4h 22m
United Airlines
Sat 8/295:00 am
SFO
- STL
1 stop8h 31m
United Airlines
Deal found 7/29![United Airlines logo]()
$363
This Expedia deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:45 pm
STL
- SFO
1 stop15h 58m
Frontier
Fri 9/46:00 am
SFO
- STL
1 stop11h 13m
Frontier
Deal found 7/31![Frontier logo]()
$358
One-way flights from St. Louis to FremontSearch for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:10 pm
STL
- SFO
2 stops27h 17m
Frontier
Deal found 7/28![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/308:10 pm
STL
- SFO
2 stops27h 17m
Frontier
Deal found 7/31![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:58 pm
STL
- SFO
2 stops26h 42m
Frontier
Deal found 7/29![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:10 pm
STL
- SFO
2 stops19h 33m
Frontier
Deal found 7/27![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/78:10 pm
STL
- SFO
2 stops38h 13m
Frontier
Deal found 7/31![Frontier logo]()
$116
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:29 am
STL
- SFO
2 stops12h 53m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/288:10 pm
STL
- SFO
2 stops20h 19m
Frontier
Deal found 7/31![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:10 pm
STL
- SFO
2 stops27h 08m
Frontier
Deal found 7/27![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:10 pm
STL
- SFO
2 stops40h 12m
Frontier
Deal found 7/28![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:58 pm
STL
- SFO
2 stops26h 48m
Frontier
Deal found 7/29![Frontier logo]()
$123
Find flight deals from St. Louis to Fremont
Keep the following information in mind while searching for St. Louis to Fremont flight deals. Data was last updated August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
One-way from | $94 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $440 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 August 1, 2026.
Use the filters below to find and compare flights from St. Louis to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 9/29
7:08 am-9:30 am
Nonstop4h 22m
San Francisco
Thu 10/1
12:45 pm-6:43 pm
Nonstop3h 58m
$357
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 8/18
7:56 pm-9:37 am
1 stop15h 41m
San Francisco
Tue 8/25
9:13 pm-5:10 pm
2 stops17h 57m
$365
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 8/24
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Mon 8/31
10:30 pm-10:05 am
1 stop9h 35m
$367
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 8/28
2:32 pm-11:50 pm
2 stops11h 18m
San Francisco
Wed 9/2
10:00 pm-9:20 am
1 stop9h 20m
$375
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 9/17
6:08 pm-11:28 pm
1 stop7h 20m
San Francisco
Mon 10/5
10:21 am-11:59 pm
2 stops11h 38m
$395
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 9/11
2:20 pm-8:35 pm
2 stops8h 15m
San Francisco
Mon 9/14
6:45 am-5:40 pm
2 stops8h 55m
$442
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 9/11
8:42 am-11:04 am
Nonstop4h 22m
San Francisco
Sun 9/13
5:00 am-3:38 pm
1 stop8h 38m
$454
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 11/12
7:05 pm-9:41 pm
Nonstop4h 36m
San Francisco
Mon 11/16
4:25 pm-10:15 pm
Nonstop3h 50m
$457
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 9/11
3:52 pm-11:51 pm
2 stops9h 59m
San Francisco
Sun 9/13
8:59 pm-8:40 am
2 stops9h 41m
$460
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 9/10
8:42 am-11:04 am
Nonstop4h 22m
San Francisco
Mon 9/14
11:59 pm-10:10 am
1 stop8h 11m
$467
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Fremont
Have a flexible travel schedule? Discover the best time to fly to Fremont from St. Louis with our price prediction graph.
STL-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 St. Louis to Fremont
STL-FR8
STL-SFO
What is the cheapest time of day to fly from STL to FR8?
Find hourly flight availability from St. Louis 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 August 1, 2026.
When flying from St. Louis to Fremont, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 45% versus a flight in the evening.
Weekly flight availability from St. Louis to Fremont
Explore weekly flight availability from St. Louis 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 August 1, 2026.
The most flights from STL to FR8 are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from St. Louis to Fremont?
Airfare is typical for this route at the moment.
St. Louis to Fremont flights typically cost between $310 and $552 in September.The cheapest round-trip price found within the last 5 days was $349 on Delta (Sep 30-Oct 3).
What is the cheapest day to fly from St. Louis to Fremont?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Fremont. Price data was last updated on August 31, 2025.
Travelers seeking maximum savings on their St. Louis to Fremont flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings 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 August 1, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from St. Louis to Fremont. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from St. Louis 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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Alternative routes for St. Louis to Fremont
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Complete your trip
Complete your trip to Fremont by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Fremont by cabin class
Find flights from St. Louis to Fremont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Fremont flights
Browse other St. Louis and Fremont flight options. Last updated on August 1, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on August 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Fremont flights
Consider these flights traveling from St. Louis to Fremont.
Top 5 airlines flying from St. Louis to Fremont
Discover the top 5 airlines that operate flights from St. Louis 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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$288 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$496 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$421 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$501 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$327 | Average$533 | FlexibilityNo cancel fee | On-time69% |