San Francisco to St Louis
SFOSTL
Fly from San Francisco to St Louis starting at SAR 403 with Frontier Airlines.
Best fare available on Jul 20, 2026.
Limited seats. Better plans. Book before it's gone.
San Francisco to St Louis cheapest flights this week
San Francisco to St Louis monthly flight fare trend
Jun
from SAR 662
Jul
from SAR 403
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights
Airport Details
Origin
San Francisco
San Francisco International Airport (SFO)
San Francisco, SFO
Zone
Los Angeles
Elev
13 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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