San Diego to St Louis
SANSTL
Fly from San Diego to St Louis starting at USD 178 with Frontier Airlines.
Best fare available on Oct 1, 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
Sep
No flights
Oct
from USD 178
Nov
No flights
Dec
No flights
Jan
from USD 201
Feb
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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