St Louis to San Diego
STLSAN
Fly from St Louis to San Diego starting at SAR 439 with UA.
Best fare available on May 20, 2026.
Limited seats. Better plans. Book before it's gone.
St Louis to San Diego cheapest flights this week
20 May
UA
17:59STL
05:16SAN
1 StopSAR 439VIEW DEAL
21 May
AA
19:20STL
06:59SAN
1 StopSAR 769VIEW DEAL
St Louis to San Diego monthly flight fare trend
Apr
No flights
May
from SAR 439
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Airport Details
Origin
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
Destination
San Diego
San Diego International Airport (SAN)
San Diego, SAN
Zone
Los Angeles
Elev
17 ft
Flights from St Louis
Flights from St Louis to AtlantaFlights from St Louis to AustinFlights from St Louis to BostonFlights from St Louis to CharlotteFlights from St Louis to DenverFlights from St Louis to DallasFlights from St Louis to DetroitFlights from St Louis to NewarkFlights from St Louis to Fort LauderdaleFlights from St Louis to Honolulu
