Detroit to St Louis
DTWSTL
Fly from Detroit to St Louis starting at USD 97 with Frontier Airlines.
Best fare available on Jul 15, 2026.
Limited seats. Better plans. Book before it's gone.
Detroit to St Louis cheapest flights this week
Detroit to St Louis monthly flight fare trend
Jun
from USD 185
Jul
from USD 97
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights
Airport Details
Origin
Detroit
Detroit Metropolitan Wayne County Airport (DTW)
Detroit, DTW
Zone
Detroit
Elev
645 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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