Detroit (DTW) to St Louis (STL) flights
Nonstop from Detroit Metropolitan Wayne County to St. Louis Lambert International Airport: distance, flying time, which airlines fly it and how often.
Distance
439 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
Airlines flying DTW to STL
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare DTW to STL fares by month.
Both directions
- St. Louis Lambert International Airport (STL) · we don't have STL's route list yet
- All nonstop routes from Detroit (DTW)
- DTW to STL on the flight-path tool
Frequently asked questions
How long is the flight from Detroit to St Louis?
About 1h 36m gate to gate for the 707 km (439 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from DTW to STL?
Delta Air Lines and Southwest Airlines, with about 6.6 flights a day between them in our data (AeroDataBox, November 2026).