San Diego to St Louis
SANSTL
Fly from San Diego to St Louis starting at USD 125 with Frontier Airlines.
Best fare available on May 31, 2026.
Limited seats. Better plans. Book before it's gone.
San Diego to St Louis cheapest flights this week
San Diego to St Louis monthly flight fare trend
May
from USD 125
Jun
from USD 125
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
San Diego
San Diego International Airport (SAN)
San Diego, SAN
Zone
Los Angeles
Elev
17 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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