Denver to St Louis
DENSTL
Fly from Denver to St Louis starting at USD 83 with F9.
Best fare available on Jun 1, 2026.
Limited seats. Better plans. Book before it's gone.
Denver to St Louis cheapest flights this week
31 May
F9
16:15DEN
18:23STL
Direct$106VIEW DEAL
1 Jun
F9
16:15DEN
18:23STL
Direct$83VIEW DEAL
Denver to St Louis monthly flight fare trend
May
from USD 106
Jun
from USD 83
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
Denver
Denver International Airport (DEN)
Denver, DEN
Zone
Denver
Elev
5431 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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