San Diego to St Louis
SANSTL
Fly from San Diego to St Louis starting at USD 125 with F9.
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
9 May
F9
22:04SAN
09:41STL
1 Stop$131VIEW DEAL
12 May
F9
21:59SAN
16:06STL
1 Stop$137VIEW DEAL
14 May
F9
21:59SAN
18:23STL
1 Stop$137VIEW DEAL
31 May
F9
06:25SAN
12:31STL
1 Stop$125VIEW DEAL
1 Jun
F9
19:36SAN
16:06STL
1 Stop$125VIEW DEAL
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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