$102+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Jul 8 — Jul 151
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 75 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 June 8, 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 June 8, 2026.
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Wed 8/56:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/6![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Wed 7/86:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/8![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:03 pm
STL
- SFO
2 stops28h 35m
Frontier
Tue 7/219:00 pm
SFO
- STL
1 stop19h 05m
Frontier
Deal found 6/6![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:03 pm
STL
- SFO
1 stop15h 45m
Frontier
Wed 7/154:30 pm
SFO
- STL
2 stops23h 07m
Frontier
Deal found 6/4![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:03 pm
STL
- SFO
1 stop15h 45m
Frontier
Tue 7/2810:23 pm
SFO
- STL
2 stops19h 00m
Frontier
Deal found 6/7![Frontier logo]()
$316
This CheapOair deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:10 pm
STL
- SFO
1 stop15h 33m
Frontier
Sun 8/169:30 pm
SFO
- STL
1 stop18h 45m
Frontier
Deal found 6/5![Frontier logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Mon 7/138:23 pm
SFO
- STL
2 stops19h 42m
Frontier
Deal found 6/8![Frontier logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 6/297:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Tue 7/79:00 pm
SFO
- STL
2 stops20h 23m
Frontier
Deal found 6/3![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:10 pm
STL
- SFO
1 stop26h 42m
Frontier
Mon 7/279:00 pm
SFO
- STL
1 stop19h 05m
Frontier
Deal found 6/5![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/292:56 pm
STL
- SFO
1 stop25h 20m
Frontier
Wed 7/159:00 pm
SFO
- STL
1 stop19h 15m
Frontier
Deal found 6/7![Frontier logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Tue 8/49:00 pm
SFO
- STL
1 stop19h 05m
Frontier
Deal found 6/4![Frontier logo]()
$322
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Wed 7/86:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/4![Frontier logo]()
$324
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 June 8, 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 June 8, 2026.
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Tue 8/186:00 am
SFO
- STL
1 stop7h 38m
United Airlines
Deal found 6/5![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:25 am
STL
- SFO
Nonstop4h 05m
Southwest
Wed 8/52:35 pm
SFO
- STL
1 stop6h 00m
Southwest
Deal found 6/7![Southwest logo]()
$419
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:32 pm
STL
- SFO
2 stops11h 12m
Delta
Wed 9/211:35 am
SFO
- STL
1 stop7h 07m
Delta
Deal found 6/4![Delta logo]()
$480
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:25 am
STL
- SFO
Nonstop4h 10m
Southwest
Tue 8/2511:50 am
SFO
- STL
Nonstop3h 50m
Southwest
Deal found 6/4![Southwest logo]()
$432
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:40 pm
STL
- SFO
1 stop5h 50m
Southwest
Mon 8/310:50 am
SFO
- STL
Nonstop4h 05m
Southwest
Deal found 6/3![Southwest logo]()
$442
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:42 am
STL
- SFO
Nonstop4h 22m
United Airlines
Wed 9/212:40 pm
SFO
- STL
Nonstop3h 59m
United Airlines
Deal found 6/4![United Airlines logo]()
$532
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:30 pm
STL
- SFO
2 stops8h 00m
Southwest
Tue 7/77:10 am
SFO
- STL
2 stops11h 20m
Southwest
Deal found 6/3![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:25 am
STL
- SFO
Nonstop4h 05m
Southwest
Fri 7/1710:50 am
SFO
- STL
Nonstop4h 05m
Southwest
Deal found 6/5![Southwest logo]()
$485
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:35 am
STL
- SFO
1 stop7h 20m
Southwest
Tue 7/1412:20 pm
SFO
- STL
Nonstop3h 50m
Southwest
Deal found 6/7![Southwest logo]()
$513
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:20 am
STL
- SFO
1 stop6h 40m
Southwest
Mon 7/271:20 pm
SFO
- STL
1 stop8h 55m
Southwest
Deal found 6/6![Southwest logo]()
$523
Last-minute flights from St. Louis to FremontDiscover last-minute flight deals from St. Louis to Fremont. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fremont. Data last updated June 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 6/297:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Tue 7/79:00 pm
SFO
- STL
2 stops20h 23m
Frontier
Deal found 6/3![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/292:56 pm
STL
- SFO
1 stop25h 20m
Frontier
Wed 7/159:00 pm
SFO
- STL
1 stop19h 15m
Frontier
Deal found 6/7![Frontier logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:08 pm
STL
- SFO
1 stop6h 19m
Frontier
Tue 7/710:23 pm
SFO
- STL
2 stops41h 52m
Frontier
Deal found 6/6![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Mon 7/138:23 pm
SFO
- STL
2 stops19h 42m
Frontier
Deal found 6/8![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Wed 7/86:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/4![Frontier logo]()
$324
This Frontier deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Wed 7/86:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/8![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:03 pm
STL
- SFO
1 stop15h 45m
Frontier
Wed 7/154:30 pm
SFO
- STL
2 stops23h 07m
Frontier
Deal found 6/4![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:03 pm
STL
- SFO
2 stops28h 35m
Frontier
Tue 7/219:00 pm
SFO
- STL
1 stop19h 05m
Frontier
Deal found 6/6![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:10 pm
STL
- SFO
1 stop26h 42m
Frontier
Mon 7/279:00 pm
SFO
- STL
1 stop19h 05m
Frontier
Deal found 6/5![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:03 pm
STL
- SFO
1 stop15h 45m
Frontier
Tue 7/2810:23 pm
SFO
- STL
2 stops19h 00m
Frontier
Deal found 6/7![Frontier logo]()
$316
This Expedia deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Wed 8/56:00 am
SFO
- STL
1 stop11h 23m
Frontier
Deal found 6/6![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Tue 8/49:00 pm
SFO
- STL
1 stop19h 05m
Frontier
Deal found 6/4![Frontier logo]()
$322
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 June 8, 2026.
Search for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated June 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:33 pm
STL
- SFO
1 stop9h 24m
Frontier
Deal found 6/3![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 6/3. 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.
Wed 7/298:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Deal found 6/3![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:08 pm
STL
- SFO
1 stop6h 19m
Frontier
Deal found 6/4![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:10 pm
STL
- SFO
2 stops28h 28m
Frontier
Deal found 6/8![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:46 pm
STL
- SFO
1 stop22h 50m
Frontier
Deal found 6/4![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:08 pm
STL
- SFO
1 stop30h 15m
Frontier
Deal found 6/4![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:08 pm
STL
- SFO
1 stop6h 14m
Frontier
Deal found 6/5![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:08 pm
STL
- SFO
1 stop30h 10m
Frontier
Deal found 6/4![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:08 pm
STL
- SFO
1 stop6h 14m
Frontier
Deal found 6/6![Frontier logo]()
$135
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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $310 (Expedia) |
One-way from | $102 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $463 |
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 June 8, 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
Mon 8/10
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Tue 8/18
6:00 am-3:38 pm
1 stop7h 38m
$382
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 7/29
8:25 am-10:30 am
Nonstop4h 05m
San Francisco
Wed 8/5
2:35 pm-10:35 pm
1 stop6h 00m
$419
Quickest round-trip
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 8/21
8:25 am-10:35 am
Nonstop4h 10m
San Francisco
Tue 8/25
11:50 am-5:40 pm
Nonstop3h 50m
$432
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 7/21
6:40 pm-10:30 pm
1 stop5h 50m
San Francisco
Mon 8/3
10:50 am-4:55 pm
Nonstop4h 05m
$442
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 6/29
6:30 pm-12:30 am
2 stops8h 00m
San Francisco
Tue 7/7
7:10 am-8:30 pm
2 stops11h 20m
$462
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 8/28
2:32 pm-11:44 pm
2 stops11h 12m
San Francisco
Wed 9/2
11:35 am-8:42 pm
1 stop7h 07m
$480
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 7/14
8:25 am-10:30 am
Nonstop4h 05m
San Francisco
Fri 7/17
10:50 am-4:55 pm
Nonstop4h 05m
$485
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 7/14
5:35 am-10:55 am
1 stop7h 20m
San Francisco
Tue 7/14
12:20 pm-6:10 pm
Nonstop3h 50m
$513
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Mon 7/27
7:20 am-12:00 pm
1 stop6h 40m
San Francisco
Mon 7/27
1:20 pm-12:15 am
1 stop8h 55m
$523
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 8/28
8:42 am-11:04 am
Nonstop4h 22m
San Francisco
Wed 9/2
12:40 pm-6:39 pm
Nonstop3h 59m
$532
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 June 8, 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.
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 June 8, 2026.
The most flights from STL to FR8 are scheduled on a Monday (4 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?
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 June 8, 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.
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Comfort
8.0
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
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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 June 8, 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 June 8, 2026.
Popular flight searches
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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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$140 | Average$270 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$466 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$477 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$320 | Average$483 | FlexibilityNo cancel fee | On-time69% |