$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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SFO
Jun 5 — Jun 121
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 17 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from St. Louis to Fremont
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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 May 6, 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 May 6, 2026.
This Priceline deal was found by Cheapflights users on 5/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:36 pm
STL
- SFO
1 stop6h 20m
Frontier
Sat 5/238:56 am
SFO
- STL
1 stop8h 27m
Frontier
Deal found 5/1![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Mon 6/299:43 pm
SFO
- STL
2 stops17h 47m
Frontier
Deal found 5/5![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 7/102:52 pm
STL
- SFO
1 stop7h 01m
Frontier
Tue 7/1411:10 am
SFO
- STL
2 stops25h 39m
Frontier
Deal found 5/1![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Thu 5/219:06 pm
STL
- SFO
1 stop13h 43m
Frontier
Thu 6/43:21 pm
SFO
- STL
2 stops39h 34m
Frontier
Deal found 5/2![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 5/2. 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 7/68:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Tue 7/712:24 am
SFO
- STL
1 stop12h 25m
Frontier
Deal found 5/2![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:08 pm
STL
- SFO
1 stop6h 19m
Frontier
Sun 6/286:00 am
SFO
- STL
1 stop10h 53m
Frontier
Deal found 5/5![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:06 pm
STL
- SFO
1 stop13h 43m
Frontier
Wed 6/310:45 pm
SFO
- STL
2 stops18h 38m
Frontier
Deal found 5/5![Frontier logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/136:51 pm
STL
- SFO
1 stop15h 39m
Frontier
Sat 5/235:25 pm
SFO
- STL
2 stops23h 58m
Frontier
Deal found 5/1![Frontier logo]()
$318
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:33 pm
STL
- SFO
1 stop9h 31m
Frontier
Wed 5/2012:52 pm
SFO
- STL
1 stop28h 31m
Frontier
Deal found 5/4![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:34 pm
STL
- SFO
1 stop9h 20m
Frontier
Sat 8/2210:15 pm
SFO
- STL
1 stop17h 15m
Frontier
Deal found 5/5![Frontier logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:06 pm
STL
- SFO
1 stop13h 43m
Frontier
Mon 6/110:58 pm
SFO
- STL
1 stop17h 08m
Frontier
Deal found 5/4![Frontier logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/229:06 pm
STL
- SFO
1 stop13h 43m
Frontier
Mon 5/258:56 am
SFO
- STL
2 stops27h 52m
Frontier
Deal found 5/1![Frontier logo]()
$323
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 May 6, 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 May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Tue 6/912:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 5/1![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:45 am
STL
- SFO
2 stops7h 35m
Southwest
Wed 7/15:00 am
SFO
- STL
2 stops10h 45m
Southwest
Deal found 5/4![Southwest logo]()
$463
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Mon 7/1312:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 5/4![United Airlines logo]()
$529
This Southwest deal was found by Cheapflights users on 5/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:10 am
STL
- SFO
2 stops7h 45m
Southwest
Tue 7/215:00 am
SFO
- STL
2 stops10h 45m
Southwest
Deal found 5/1![Southwest logo]()
$546
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Tue 6/912:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 5/5![United Airlines logo]()
$530
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:45 am
STL
- SFO
2 stops8h 50m
Southwest
Wed 6/311:25 am
SFO
- STL
2 stops8h 20m
Southwest
Deal found 5/5![Southwest logo]()
$546
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Wed 7/2212:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 5/2![United Airlines logo]()
$532
This Southwest deal was found by Cheapflights users on 5/2. 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.
Thu 5/282:25 pm
STL
- SFO
2 stops9h 45m
Southwest
Sun 5/315:00 am
SFO
- STL
2 stops7h 55m
Southwest
Deal found 5/2![Southwest logo]()
$558
This United Airlines deal was found by Cheapflights users on 5/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Sat 6/2712:50 am
SFO
- STL
1 stop7h 39m
United Airlines
Deal found 5/1![United Airlines logo]()
$543
This Southwest deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:20 am
STL
- SFO
2 stops8h 50m
Southwest
Mon 7/202:15 pm
SFO
- STL
2 stops7h 40m
Southwest
Deal found 5/5![Southwest logo]()
$559
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:23 pm
STL
- SFO
Nonstop4h 20m
United Airlines
Sat 6/1312:12 pm
SFO
- STL
Nonstop4h 05m
United Airlines
Deal found 5/2![United Airlines logo]()
$543
Last-minute flights from St. Louis to FremontDiscover last-minute flight deals from St. Louis to Fremont. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fremont. Data last updated May 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/136:51 pm
STL
- SFO
1 stop15h 39m
Frontier
Sat 5/235:25 pm
SFO
- STL
2 stops23h 58m
Frontier
Deal found 5/1![Frontier logo]()
$318
This Priceline deal was found by Cheapflights users on 5/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:36 pm
STL
- SFO
1 stop6h 20m
Frontier
Sat 5/238:56 am
SFO
- STL
1 stop8h 27m
Frontier
Deal found 5/1![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:18 pm
STL
- SFO
1 stop13h 12m
Frontier
Wed 5/206:00 am
SFO
- STL
2 stops30h 31m
Frontier
Deal found 5/3![Frontier logo]()
$324
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:33 pm
STL
- SFO
1 stop9h 31m
Frontier
Wed 5/2012:52 pm
SFO
- STL
1 stop28h 31m
Frontier
Deal found 5/4![Frontier logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Thu 5/219:06 pm
STL
- SFO
1 stop13h 43m
Frontier
Thu 6/43:21 pm
SFO
- STL
2 stops39h 34m
Frontier
Deal found 5/2![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/229:06 pm
STL
- SFO
1 stop13h 43m
Frontier
Mon 6/110:58 pm
SFO
- STL
1 stop17h 08m
Frontier
Deal found 5/4![Frontier logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/229:06 pm
STL
- SFO
1 stop13h 43m
Frontier
Mon 5/258:56 am
SFO
- STL
2 stops27h 52m
Frontier
Deal found 5/1![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Fri 5/298:56 am
SFO
- STL
1 stop8h 27m
Frontier
Deal found 5/4![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:06 pm
STL
- SFO
1 stop13h 43m
Frontier
Wed 6/310:45 pm
SFO
- STL
2 stops18h 38m
Frontier
Deal found 5/5![Frontier logo]()
$316
This Frontier deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:08 pm
STL
- SFO
1 stop6h 19m
Frontier
Sun 6/286:00 am
SFO
- STL
1 stop10h 53m
Frontier
Deal found 5/5![Frontier logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Mon 6/299:43 pm
SFO
- STL
2 stops17h 47m
Frontier
Deal found 5/5![Frontier logo]()
$311
This Expedia deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:38 pm
STL
- SFO
1 stop27h 20m
Frontier
Wed 7/112:38 pm
SFO
- STL
1 stop28h 15m
Frontier
Deal found 5/5![Frontier logo]()
$314
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 May 6, 2026.
Search for one-way flight options from St. Louis to Fremont. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 5/268:08 pm
STL
- SFO
2 stops40h 30m
Frontier
Deal found 5/1![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:33 pm
STL
- SFO
1 stop9h 31m
Frontier
Deal found 5/5![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:08 pm
STL
- SFO
1 stop6h 10m
Frontier
Deal found 5/4![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:03 pm
STL
- SFO
1 stop17h 22m
Frontier
Deal found 5/5![Frontier logo]()
$110
This Orbitz deal was found by Cheapflights users on 5/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:51 pm
STL
- SFO
1 stop23h 50m
Frontier
Deal found 5/1![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:33 pm
STL
- SFO
1 stop9h 24m
Frontier
Deal found 5/3![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:38 pm
STL
- SFO
1 stop6h 49m
Frontier
Deal found 5/5![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:06 pm
STL
- SFO
1 stop15h 22m
Frontier
Deal found 5/5![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:08 pm
STL
- SFO
1 stop6h 15m
Frontier
Deal found 5/4![Frontier logo]()
$124
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Kiwi.com) |
One-way from | $95 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $483 |
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 May 6, 2026.
Use the filters below to find and compare flights from St. Louis to Fremont that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 6/2
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Tue 6/9
12:12 pm-6:17 pm
Nonstop4h 05m
$420
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 6/26
5:45 am-11:20 am
2 stops7h 35m
San Francisco
Wed 7/1
5:00 am-5:45 pm
2 stops10h 45m
$463
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 7/9
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Mon 7/13
12:12 pm-6:17 pm
Nonstop4h 05m
$529
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Sat 6/6
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Tue 6/9
12:12 pm-6:17 pm
Nonstop4h 05m
$530
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Wed 7/8
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Wed 7/22
12:12 pm-6:17 pm
Nonstop4h 05m
$532
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Tue 6/23
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Sat 6/27
12:50 am-10:29 am
1 stop7h 39m
$543
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Sat 6/6
7:23 pm-9:43 pm
Nonstop4h 20m
San Francisco
Sat 6/13
12:12 pm-6:17 pm
Nonstop4h 05m
$543
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Fri 7/17
8:10 am-1:55 pm
2 stops7h 45m
San Francisco
Tue 7/21
5:00 am-5:45 pm
2 stops10h 45m
$546
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 5/28
5:45 am-12:35 pm
2 stops8h 50m
San Francisco
Wed 6/3
11:25 am-9:45 pm
2 stops8h 20m
$546
St. LouisSan Francisco
STL - SFO
STLSFO
Lambert-St Louis
Thu 5/28
2:25 pm-10:10 pm
2 stops9h 45m
San Francisco
Sun 5/31
5:00 am-2:55 pm
2 stops7h 55m
$558
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 May 6, 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 50% 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. Sunday 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 May 6, 2026.
The most flights from STL to FR8 are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from St. Louis to Fremont?
Reviews of airlines servicing Fremont
Get insights into the airlines that provide service to Fremont. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Fremont. Reviews last updated May 6, 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.
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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St. Louis and Fremont flights
Browse other St. Louis and Fremont flight options. Last updated on May 6, 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 May 6, 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$257 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$444 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$472 | FlexibilityNo cancel fee | On-time63% |