St Louis to Detroit

STLDTW

Fly from St Louis to Detroit starting at USD 97 with Frontier Airlines.Best fare available on Jul 15, 2026.Limited seats. Better plans. Book before it's gone.

St Louis to Detroit cheapest flights this week

22 Jun
Frontier Airlines
17:06STL
23:44DTW
1 Stop$190VIEW DEAL
23 Jun
Frontier Airlines
18:31STL
23:44DTW
1 Stop$192VIEW DEAL
15 Jul
Frontier Airlines
16:57STL
23:40DTW
1 Stop$97VIEW DEAL

St Louis to Detroit monthly flight fare trend

Jun
from USD 74
Jul
from USD 97
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights

Airport Details

Origin

St Louis

St. Louis Lambert International Airport (STL)

St Louis, STL
Zone

Chicago

Elev

618 ft

Destination

Detroit

Detroit Metropolitan Wayne County Airport (DTW)

Detroit, DTW
Zone

Detroit

Elev

645 ft

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