Direct (nonstop) flights from Detroit to Saint Louis
2 airlines fly nonstop from Detroit Metropolitan Airport (DTW) to Saint Louis Airport (STL). It's 440 miles (708 km), about 1h 40m in the air. Operated by Delta Air Lines, Southwest Airlines.
Delta Air Lines
Southwest Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
DL
Delta Air Lines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Detroit to Saint Louis with one stop · direct emits 81 kg CO₂ per passenger
Looking for the return flight?
STL → DTW: Flights from Saint Louis to DetroitOther direct flights from Detroit
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from Detroit to Saint Louis?
A nonstop flight from Detroit (DTW) to Saint Louis (STL) takes approximately 1 hours and 40 minutes. The distance is 440 miles (708 km).
Which airlines fly nonstop from Detroit to Saint Louis?
2 airlines: Delta Air Lines, Southwest Airlines.
Is there a nonstop flight from Detroit to Saint Louis?
Yes. 2 airlines: Delta Air Lines, Southwest Airlines.
How far is Detroit from Saint Louis?
The flight distance from Detroit to Saint Louis is 440 miles (708 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Detroit to Saint Louis?
At 1h 40m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Detroit to Saint Louis?
Roughly 81 kg CO2 per passenger one-way. That's about the same as driving 405 km.
Is the return flight from Saint Louis to Detroit also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Detroit to Saint Louis?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Detroit Metropolitan Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.