Flights from St. Louis to San Francisco

Trip type

Our cheapest offers for flights from St. Louis to San Francisco

Here you can compare cheap flights from St. Louis (STL) to San Francisco (SFO) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Francisco. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
St. Louis
San Francisco
Outbound
06/03/26
1 Stopover (SEA)
AS0618, AS1438
08h 02min
Return
06/10/26
1 Stopover (PDX)
AS1410, AS1635
07h 33min
Alaska Airlines ?
$403
St. Louis
San Francisco
Outbound
06/03/26
1 Stopover (SEA)
AS0618, AS1438
08h 02min
Return
06/10/26
1 Stopover (PDX)
AS1410, AS1635
07h 33min
Alaska Airlines
$422
St. Louis
San Francisco
Outbound
06/03/26
1 Stopover (SEA)
AS0618, AS1438
08h 02min
Return
06/10/26
1 Stopover (PDX)
AS1410, AS1635
07h 33min
Alaska Airlines ?
$427
St. Louis
San Francisco
Outbound
06/03/26
1 Stopover (PDX)
AS0337, AS0526
16h 41min
Return
06/10/26
1 Stopover (PDX)
AS1410, AS1635
07h 33min
Alaska Airlines ?
$436
St. Louis
San Francisco
Outbound
06/03/26
1 Stopover (ORD)
AA2324, AA2550
07h 54min
Return
06/10/26
1 Stopover (PDX)
AS1410, AS1635
07h 33min
American Airlines ?
$685
St. Louis
San Francisco
Outbound
06/03/26
2 Stopovers (ATL, CUN)
AM4406, AM5533, UA1118
16h 49min
Return
06/10/26
3 Stopovers (LAX, GUA, IAH)
AS1523, AS1353, UA1901, UA2042
45h 40min
Aeroméxico, United Airlines ?
$1,572
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from St. Louis to San Francisco

Favorite airline: Frontier Airlines
The favorite airline for flights from St. Louis to San Francisco is Frontier Airlines.
Frontier Airlines
36 %
Sun Country Airlines
24 %
Delta
16 %
Favourite connection: via Las Vegas
When booking flights from St. Louis to San Francisco 48 % of travelers prefer to fly via Las Vegas.
Route
bookings
1 stopover Las Vegas - McCarran International Airport, NV
27h 11min, from $158
48 %
1 stopover Minneapolis - St. Paul International Airport, MN
15h 52min, from $249
33 %
1 stopover Seattle-Tacoma International Airport, WA
08h 34min, from $347
14 %

Important flight information

Flight information: St. Louis - San Francisco

Roundtrip from $402.39
Flight duration min. 04:35 / max. 07:20
Return flight duration min. 03:45/ max. 06:35
Distance 2789 km
Flights per week 22
Departure airport Airport St. Louis - Lambert International Airport (STL)
Arrival airport Airport San Francisco International Airport, CA (SFO)
Destination country Flights to United States
Alternative flights to San Francisco
Flight destinations with a similar price