St Louis to Detroit
STLDTW
Fly from St Louis to Detroit starting at USD 122 with Southwest Airlines.
Best fare available on Aug 18, 2026.
Limited seats. Better plans. Book before it's gone.
St Louis to Detroit cheapest flights this week
St Louis to Detroit monthly flight fare trend
Jul
No flights
Aug
from USD 122
Sep
No flights
Oct
No flights
Nov
No flights
Dec
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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