Direct (nonstop) flights from Saint Louis to Detroit
2 airlines fly nonstop from Saint Louis Airport (STL) to Detroit Metropolitan Airport (DTW). It's 440 miles (708 km), about 1h 31m in the air. Operated by Delta Air Lines, Southwest Airlines.
Delta Air Lines
Southwest Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
DL
Delta Air Lines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Saint Louis to Detroit with one stop · direct emits 81 kg CO₂ per passenger
Looking for the return flight?
DTW → STL: Flights from Detroit to Saint LouisOther direct flights from Saint Louis
Direct flights from Detroit (DTW)
Frequently Asked Questions
How long is the direct flight from Saint Louis to Detroit?
A nonstop flight from Saint Louis (STL) to Detroit (DTW) takes approximately 1 hours and 31 minutes. The distance is 440 miles (708 km).
Which airlines fly nonstop from Saint Louis to Detroit?
2 airlines: Delta Air Lines, Southwest Airlines.
Is there a nonstop flight from Saint Louis to Detroit?
Yes. 2 airlines: Delta Air Lines, Southwest Airlines.
How far is Saint Louis from Detroit?
The flight distance from Saint Louis to Detroit 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 Saint Louis to Detroit?
At 1h 31m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Saint Louis to Detroit?
Roughly 81 kg CO2 per passenger one-way. That's about the same as driving 405 km.
Is the return flight from Detroit to Saint Louis 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 Saint Louis to Detroit?
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 Saint Louis Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.