Cheap flights from Detroit to St. Louis
439 mi · 45m average nonstop
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Quick answer: Detroit to St. Louis at a glance
Cheap flights from Detroit (DTW) to St. Louis (STL) cover 439 miles (706 km) in about 45m nonstop, with 2 airlines flying direct — a short-haul domestic route. Search Kayak for today's cheapest live fare. Route difficulty 1/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from Detroit to St. Louis covers 439 miles (706 km) in approximately 0 hour 45 minutes. 2 airlines offer direct flights on this short-haul domestic route. This is a short-haul domestic route typically served by direct flights.
Nonstop distance 439 miles. Direct carriers include DL and WN.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
2 airlines fly Detroit → St. Louis. All are direct routes.
| Airline | Route type |
|---|---|
| DL | Direct |
| WN | Direct |
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Detroit to St. Louis — quick answers
How far is Detroit from St. Louis by plane?
The nonstop flight distance from Detroit (DTW) to St. Louis (STL) is 439 miles (706 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from Detroit to St. Louis?
The average nonstop flight time from DTW to STL is 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from Detroit to St. Louis?
2 airlines serve this route nonstop: DL, WN. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.