$74+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Mar 5 — Mar 121
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 April or October, booked 76 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from St. Louis to Fremont
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Best
Last-minute
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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 February 3, 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 February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/68:12 pm
STL
- SFO
2 stops24h 18m
Frontier
Tue 3/109:04 pm
SFO
- STL
1 stop10h 45m
Frontier
Deal found 2/1![Frontier logo]()
$189
This Travelocity deal was found by Cheapflights users on 2/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:12 pm
STL
- SFO
1 stop6h 10m
Frontier
Sat 4/186:00 am
SFO
- STL
1 stop11h 12m
Frontier
Deal found 2/3![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Mon 3/308:12 pm
STL
- SFO
1 stop25h 57m
Frontier
Tue 4/79:00 pm
SFO
- STL
1 stop10h 48m
Frontier
Deal found 2/3![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/28:22 pm
STL
- SFO
2 stops27h 39m
Frontier
Mon 3/99:24 pm
SFO
- STL
1 stop19h 47m
Frontier
Deal found 2/2![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/45:18 pm
STL
- SFO
1 stop9h 10m
Frontier
Tue 3/106:00 am
SFO
- STL
2 stops26h 37m
Frontier
Deal found 2/1![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/279:02 pm
STL
- SFO
1 stop22h 56m
Frontier
Mon 3/210:58 pm
SFO
- STL
1 stop29h 53m
Frontier
Deal found 2/1![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/282:51 pm
STL
- SFO
1 stop11h 37m
Frontier
Mon 3/210:58 pm
SFO
- STL
1 stop29h 53m
Frontier
Deal found 2/1![Frontier logo]()
$203
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:11 pm
STL
- SFO
1 stop22h 09m
Frontier
Thu 3/510:40 pm
SFO
- STL
1 stop11h 09m
Frontier
Deal found 2/3![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/243:49 pm
STL
- SFO
2 stops31h 50m
Frontier
Tue 3/38:25 am
SFO
- STL
1 stop29h 28m
Frontier
Deal found 2/2![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/271:59 pm
STL
- SFO
1 stop20h 04m
Frontier
Sun 3/18:48 am
SFO
- STL
1 stop26h 21m
Frontier
Deal found 2/2![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/142:51 pm
STL
- SFO
1 stop11h 37m
Frontier
Sat 2/216:15 am
SFO
- STL
1 stop5h 41m
Frontier
Deal found 2/1![Frontier logo]()
$211
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 February 3, 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 February 3, 2026.
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/47:00 am
STL
- SFO
2 stops10h 51m
Delta
Wed 3/1110:30 am
SFO
- STL
2 stops11h 51m
Delta
Deal found 2/2![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 4/292:30 pm
STL
- SFO
1 stop8h 25m
Southwest
Mon 5/412:15 pm
SFO
- STL
Nonstop3h 50m
Southwest
Deal found 2/2![Southwest logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 5/206:20 pm
STL
- SFO
1 stop16h 41m
Alaska Airlines
Fri 5/297:40 am
SFO
- STL
1 stop7h 26m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/246:10 am
STL
- SFO
2 stops11h 41m
Delta
Tue 3/310:20 am
SFO
- STL
2 stops11h 03m
Delta
Deal found 2/2![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/257:00 am
STL
- SFO
2 stops10h 51m
Delta
Sat 2/2810:20 am
SFO
- STL
2 stops9h 18m
Delta
Deal found 2/2![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/32:22 pm
STL
- SFO
2 stops10h 19m
Delta
Tue 3/106:00 am
SFO
- STL
2 stops9h 07m
Delta
Deal found 2/1![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/242:22 pm
STL
- SFO
2 stops10h 19m
Delta
Mon 3/210:20 am
SFO
- STL
2 stops12h 05m
Delta
Deal found 2/2![Delta logo]()
$308
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 4/78:35 am
STL
- SFO
Nonstop4h 25m
Southwest
Fri 4/1012:15 pm
SFO
- STL
Nonstop3h 50m
Southwest
Deal found 2/2![Southwest logo]()
$420
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:20 pm
STL
- SFO
2 stops11h 17m
Delta
Mon 4/275:59 am
SFO
- STL
2 stops9h 27m
Delta
Deal found 2/3![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:22 pm
STL
- SFO
2 stops10h 19m
Delta
Thu 3/510:20 am
SFO
- STL
2 stops11h 03m
Delta
Deal found 2/1![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:09 pm
STL
- SFO
1 stop7h 37m
Delta
Tue 5/196:05 am
SFO
- STL
2 stops8h 44m
Delta
Deal found 2/1![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/272:22 pm
STL
- SFO
2 stops10h 19m
Delta
Mon 3/210:50 pm
SFO
- STL
1 stop10h 12m
Delta
Deal found 2/1![Delta logo]()
$408
Last-minute flights from St. Louis to FremontDiscover last-minute flight deals from St. Louis to Fremont. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fremont. Data last updated February 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/142:51 pm
STL
- SFO
1 stop11h 37m
Frontier
Sat 2/216:15 am
SFO
- STL
1 stop5h 41m
Frontier
Deal found 2/1![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/231:54 pm
STL
- SFO
1 stop12h 34m
Frontier
Wed 2/257:20 am
SFO
- STL
1 stop6h 33m
Frontier
Deal found 2/2![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/243:49 pm
STL
- SFO
2 stops31h 50m
Frontier
Tue 3/38:25 am
SFO
- STL
1 stop29h 28m
Frontier
Deal found 2/2![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/279:02 pm
STL
- SFO
1 stop22h 56m
Frontier
Mon 3/210:58 pm
SFO
- STL
1 stop29h 53m
Frontier
Deal found 2/1![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/271:59 pm
STL
- SFO
1 stop20h 04m
Frontier
Sun 3/18:48 am
SFO
- STL
1 stop26h 21m
Frontier
Deal found 2/2![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/282:51 pm
STL
- SFO
1 stop11h 37m
Frontier
Mon 3/210:58 pm
SFO
- STL
1 stop29h 53m
Frontier
Deal found 2/1![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/28:22 pm
STL
- SFO
2 stops27h 39m
Frontier
Mon 3/99:24 pm
SFO
- STL
1 stop19h 47m
Frontier
Deal found 2/2![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:11 pm
STL
- SFO
1 stop22h 09m
Frontier
Thu 3/510:40 pm
SFO
- STL
1 stop11h 09m
Frontier
Deal found 2/3![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/45:18 pm
STL
- SFO
1 stop9h 10m
Frontier
Tue 3/106:00 am
SFO
- STL
2 stops26h 37m
Frontier
Deal found 2/1![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 3/68:12 pm
STL
- SFO
2 stops24h 18m
Frontier
Tue 3/109:04 pm
SFO
- STL
1 stop10h 45m
Frontier
Deal found 2/1![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Mon 3/308:12 pm
STL
- SFO
1 stop25h 57m
Frontier
Tue 4/79:00 pm
SFO
- STL
1 stop10h 48m
Frontier
Deal found 2/3![Frontier logo]()
$191
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 February 3, 2026.
Search for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Fri 3/68:12 pm
STL
- SFO
1 stop23h 36m
Frontier
Deal found 2/3![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/98:12 pm
STL
- SFO
1 stop25h 57m
Frontier
Deal found 2/2![Frontier logo]()
$79
This Orbitz deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:51 pm
STL
- SFO
1 stop19h 12m
Frontier
Deal found 2/2![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/254:51 pm
STL
- SFO
1 stop9h 37m
Frontier
Deal found 2/1![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 2/2610:11 pm
STL
- SFO
1 stop11h 37m
Frontier
Deal found 2/2![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 2/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:11 pm
STL
- SFO
1 stop22h 09m
Frontier
Deal found 2/3![Frontier logo]()
$89
This Booking.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:11 pm
STL
- SFO
1 stop22h 09m
Frontier
Deal found 2/1![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” 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 3/2412:14 pm
STL
- SFO
1 stop8h 23m
Frontier
Deal found 2/2![Frontier logo]()
$94
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:14 pm
STL
- SFO
1 stop8h 23m
Frontier
Deal found 2/3![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Mon 3/308:12 pm
STL
- SFO
1 stop25h 57m
Frontier
Deal found 2/3![Frontier logo]()
$97
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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $189 (Kiwi.com) |
One-way from | $74 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $387 |
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 February 3, 2026.
Use the filters below to find and compare flights from St. Louis to Fremont that are best for you.
Fly from
St. Louis
Fly to
Fremont
Route
Depart
Return
Price
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 3/4
7:00 am-3:51 pm
2 stops10h 51m
San Francisco
Wed 3/11
10:30 am-12:21 am
2 stops11h 51m
$303
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 2/24
6:10 am-3:51 pm
2 stops11h 41m
San Francisco
Tue 3/3
10:20 am-11:23 pm
2 stops11h 03m
$303
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 2/25
7:00 am-3:51 pm
2 stops10h 51m
San Francisco
Sat 2/28
10:20 am-9:38 pm
2 stops9h 18m
$303
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 3/3
2:22 pm-10:41 pm
2 stops10h 19m
San Francisco
Tue 3/10
6:00 am-5:07 pm
2 stops9h 07m
$303
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 2/24
2:22 pm-10:41 pm
2 stops10h 19m
San Francisco
Mon 3/2
10:20 am-12:25 am
2 stops12h 05m
$308
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 4/15
2:20 pm-11:37 pm
2 stops11h 17m
San Francisco
Mon 4/27
5:59 am-5:26 pm
2 stops9h 27m
$308
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 3/2
2:22 pm-10:41 pm
2 stops10h 19m
San Francisco
Thu 3/5
10:20 am-11:23 pm
2 stops11h 03m
$313
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 5/11
7:09 pm-12:46 am
1 stop7h 37m
San Francisco
Tue 5/19
6:05 am-4:49 pm
2 stops8h 44m
$361
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 4/29
2:30 pm-8:55 pm
1 stop8h 25m
San Francisco
Mon 5/4
12:15 pm-6:05 pm
Nonstop3h 50m
$388
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 2/27
2:22 pm-10:41 pm
2 stops10h 19m
San Francisco
Mon 3/2
10:50 pm-11:02 am
1 stop10h 12m
$408
Showing 1-10 of 22 results
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
How far ahead should I book a flight from St. Louis to Fremont?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Fremont. Price data was last updated on January 30, 2026.
The best time to book flights from St. Louis to Fremont is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from St. Louis to Fremont?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Fremont (average of $124). Flying from St. Louis to Fremont in May is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 February 3, 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 49% versus a flight in the evening.
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. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 February 3, 2026.
The most flights from STL to FR8 are scheduled on a Monday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).
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 February 3, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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 February 3, 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 February 3, 2026.
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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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$121 | Average$229 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$173 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$259 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$413 | FlexibilityNo cancel fee | On-time69% |