$95+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Aug 17 — Aug 241
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 August, booked 13 days in advance, depart on a Friday or Thursday and return on a Thursday
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 July 18, 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 July 18, 2026.
This Frontier deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Mon 8/176:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 7/12![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:45 pm
STL
- SFO
1 stop27h 11m
Frontier
Sun 8/2310:35 pm
SFO
- STL
1 stop16h 47m
Frontier
Deal found 7/12![Frontier logo]()
$316
This Frontier deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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 8/1610:18 pm
SFO
- STL
1 stop8h 39m
Frontier
Deal found 7/12![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:35 am
STL
- SFO
2 stops50h 11m
Frontier
Sun 9/2010:48 pm
SFO
- STL
1 stop8h 52m
Frontier
Deal found 7/12![Frontier logo]()
$323
This CheapOair deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/157:10 pm
STL
- SFO
1 stop15h 33m
Frontier
Wed 8/198:56 pm
SFO
- STL
1 stop18h 54m
Frontier
Deal found 7/13![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:35 am
STL
- SFO
1 stop9h 45m
Frontier
Sun 10/45:52 pm
SFO
- STL
2 stops23h 23m
Frontier
Deal found 7/12![Frontier logo]()
$326
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/108:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Sat 8/156:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 7/15![Frontier logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:08 pm
STL
- SFO
2 stops27h 24m
Frontier
Sat 8/1511:05 pm
SFO
- STL
1 stop31h 52m
Frontier
Deal found 7/13![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 stops17h 54m
Frontier
Sat 9/510:35 pm
SFO
- STL
1 stop16h 47m
Frontier
Deal found 7/13![Frontier logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/63:41 pm
STL
- SFO
1 stop9h 13m
Frontier
Thu 8/1310:23 pm
SFO
- STL
2 stops19h 00m
Frontier
Deal found 7/14![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 7/308:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Tue 8/411:15 am
SFO
- STL
2 stops30h 08m
Frontier
Deal found 7/13![Frontier logo]()
$333
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 July 18, 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 July 18, 2026.
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 11/127:30 am
STL
- SFO
2 stops10h 32m
Delta
Mon 11/168:05 pm
SFO
- STL
2 stops10h 43m
Delta
Deal found 7/15![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 10/132:25 pm
STL
- SFO
1 stop7h 55m
Southwest
Wed 10/2111:45 am
SFO
- STL
Nonstop3h 45m
Southwest
Deal found 7/15![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 10/288:28 am
STL
- SFO
Nonstop4h 36m
United Airlines
Tue 11/312:45 am
SFO
- STL
1 stop7h 20m
United Airlines
Deal found 7/13![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/287:36 pm
STL
- SFO
1 stop16h 01m
Alaska Airlines
Wed 9/27:23 am
SFO
- STL
1 stop7h 47m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Wed 9/1611:05 pm
SFO
- STL
1 stop9h 05m
Southwest
Deal found 7/13![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/55:10 am
STL
- SFO
1 stop8h 15m
United Airlines
Sat 8/812:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 7/13![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/246:25 am
STL
- SFO
1 stop6h 00m
Southwest
Wed 8/2611:50 am
SFO
- STL
Nonstop3h 50m
Southwest
Deal found 7/17![Southwest logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:14 am
STL
- SFO
2 stops9h 08m
Alaska Airlines
Tue 9/298:23 am
SFO
- STL
1 stop6h 47m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 11/127:33 am
STL
- SFO
1 stop7h 38m
United Airlines
Mon 11/1612:13 pm
SFO
- STL
Nonstop3h 50m
United Airlines
Deal found 7/15![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/98:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Sun 9/1311:05 pm
SFO
- STL
1 stop9h 05m
Southwest
Deal found 7/16![Southwest logo]()
$453
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:36 pm
STL
- SFO
1 stop8h 02m
United Airlines
Wed 8/1912:40 pm
SFO
- STL
Nonstop3h 59m
United Airlines
Deal found 7/13![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 12/166:30 am
STL
- SFO
2 stops8h 20m
Southwest
Sat 1/210:45 pm
SFO
- STL
1 stop6h 50m
Southwest
Deal found 7/14![Southwest logo]()
$465
Last-minute flights from St. Louis to FremontDiscover last-minute flight deals from St. Louis to Fremont. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fremont. Data last updated July 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 7/308:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Tue 8/411:15 am
SFO
- STL
2 stops30h 08m
Frontier
Deal found 7/13![Frontier logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/63:41 pm
STL
- SFO
1 stop9h 13m
Frontier
Thu 8/1310:23 pm
SFO
- STL
2 stops19h 00m
Frontier
Deal found 7/14![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:08 pm
STL
- SFO
2 stops27h 24m
Frontier
Sat 8/1511:05 pm
SFO
- STL
1 stop31h 52m
Frontier
Deal found 7/13![Frontier logo]()
$330
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/108:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Sat 8/156:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 7/15![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Mon 8/176:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 7/12![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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 8/1610:18 pm
SFO
- STL
1 stop8h 39m
Frontier
Deal found 7/12![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/157:10 pm
STL
- SFO
1 stop15h 33m
Frontier
Wed 8/198:56 pm
SFO
- STL
1 stop18h 54m
Frontier
Deal found 7/13![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/154:57 pm
STL
- SFO
1 stop28h 16m
Frontier
Sat 8/2210:35 pm
SFO
- STL
1 stop16h 47m
Frontier
Deal found 7/13![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/167:10 pm
STL
- SFO
1 stop15h 33m
Frontier
Wed 8/1912:29 am
SFO
- STL
1 stop14h 02m
Frontier
Deal found 7/13![Frontier logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/258:23 am
SFO
- STL
1 stop6h 47m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:45 pm
STL
- SFO
1 stop27h 11m
Frontier
Sun 8/2310:35 pm
SFO
- STL
1 stop16h 47m
Frontier
Deal found 7/12![Frontier logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 stops17h 54m
Frontier
Sat 9/510:35 pm
SFO
- STL
1 stop16h 47m
Frontier
Deal found 7/13![Frontier logo]()
$331
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 July 18, 2026.
Search for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 10/135:19 pm
STL
- SFO
1 stop22h 02m
Frontier
Deal found 7/15![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:08 pm
STL
- SFO
2 stops40h 17m
Frontier
Deal found 7/13![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/108:08 pm
STL
- SFO
2 stops50h 32m
Frontier
Deal found 7/14![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 stops27h 08m
Frontier
Deal found 7/13![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 stops22h 42m
Frontier
Deal found 7/13![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 10/148:10 pm
STL
- SFO
2 stops21h 46m
Frontier
Deal found 7/15![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:27 pm
STL
- SFO
1 stop7h 27m
Frontier
Deal found 7/15![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:58 pm
STL
- SFO
1 stop6h 20m
Frontier
Deal found 7/16![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/128:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Deal found 7/15![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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.
Tue 9/85:27 pm
STL
- SFO
1 stop7h 27m
Frontier
Deal found 7/15![Frontier logo]()
$130
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 July 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (Frontier) |
One-way from | $95 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $518 |
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 July 18, 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
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 11/12
7:30 am-4:02 pm
2 stops10h 32m
San Francisco
Mon 11/16
8:05 pm-8:48 am
2 stops10h 43m
$343
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 10/13
2:25 pm-8:20 pm
1 stop7h 55m
San Francisco
Wed 10/21
11:45 am-5:30 pm
Nonstop3h 45m
$367
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 10/28
8:28 am-11:04 am
Nonstop4h 36m
San Francisco
Tue 11/3
12:45 am-10:05 am
1 stop7h 20m
$367
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 9/15
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Wed 9/16
11:05 pm-10:10 am
1 stop9h 05m
$367
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 8/5
5:10 am-11:25 am
1 stop8h 15m
San Francisco
Sat 8/8
12:12 pm-6:17 pm
Nonstop4h 05m
$367
Quickest round-trip
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 8/24
6:25 am-10:25 am
1 stop6h 00m
San Francisco
Wed 8/26
11:50 am-5:40 pm
Nonstop3h 50m
$389
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 8/28
7:36 pm-9:37 am
1 stop16h 01m
San Francisco
Wed 9/2
7:23 am-5:10 pm
1 stop7h 47m
$390
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 9/9
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Sun 9/13
11:05 pm-10:10 am
1 stop9h 05m
$453
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 12/16
6:30 am-12:50 pm
2 stops8h 20m
San Francisco
Sat 1/2
10:45 pm-7:35 am
1 stop6h 50m
$465
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 11/12
7:33 am-1:11 pm
1 stop7h 38m
San Francisco
Mon 11/16
12:13 pm-6:03 pm
Nonstop3h 50m
$467
Showing 1-10 of 23 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 July 18, 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 July 18, 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 (2 on average).
How much does it cost to fly round-trip from St. Louis to Fremont?
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 July 18, 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
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
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
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St. Louis and Fremont flights
Browse other St. Louis and Fremont flight options. Last updated on July 18, 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 July 18, 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 July 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$484 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$444 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$495 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$327 | Average$529 | FlexibilityNo cancel fee | On-time69% |