Saint Louis (STL) to Detroit (DTW) flights
2 airlines fly nonstop from Saint Louis (STL) to Detroit (DTW): Delta Air Lines and Southwest Airlines. The two airports are 439 miles (707 km) apart. Delta Air Lines is in SkyTeam. There are also 21 ways to fly it with one stop, through Chicago, Chicago and Milwaukee and more.
Airlines flying nonstop from STL to DTW
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
- Southwest AirlinesNot in an allianceWho books it
Book STL to DTW with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air France-KLM Flying BlueBooks Delta Air Lines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Korean Air SKYPASSBooks Delta Air Lines
- SAS EuroBonusBooks Delta Air Lines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
STL to DTW with one stop
21 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Milwaukee (MKE)Southwest Airlines, then Delta Air Lines
- Via Columbus (CMH)Southwest Airlines, then Delta Air Lines
- Via Cleveland (CLE)Southwest Airlines, then Delta Air Lines
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Pittsburgh (PIT)Southwest Airlines, then Delta Air Lines
- Via Kansas City (MCI)Southwest Airlines, then Delta Air Lines
- Via Toronto (YYZ)Air Canada the whole way
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Omaha (OMA)Southwest Airlines, then Delta Air Lines
- Via Charlotte (CLT)American Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
- Via Dulles (IAD)United Airlines the whole way
- Via Washington (DCA)American Airlines the whole way
STL to DTW: common questions
Which airlines fly nonstop from STL to DTW?
Delta Air Lines (SkyTeam) and Southwest Airlines fly nonstop from Saint Louis (STL) to Detroit (DTW).
How far is Saint Louis from Detroit by plane?
Saint Louis (STL) and Detroit (DTW) are 439 miles (707 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book STL to DTW award flights?
8 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, China Eastern Eastern Miles, Delta SkyMiles, Garuda Indonesia GarudaMiles, Korean Air SKYPASS, SAS EuroBonus and Virgin Atlantic Flying Club. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does STL to DTW cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for STL to DTW with taxes and fees.
Where can I connect between Saint Louis and Detroit?
The most direct connections are through Chicago (MDW), Chicago (ORD), Milwaukee (MKE), Columbus (CMH) and Cleveland (CLE). On 12 of them the same airline flies both flights, for example Southwest Airlines through Chicago.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.