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.

STL
Saint Louis Airport
🇺🇸 Saint Louis, USA
DTW
Detroit Metropolitan Airport
🇺🇸 Detroit, USA
Flight Time
1h 31m
Distance
440 mi
708 km
CO₂/pax
81 kg
−29 kg vs. layover
Airlines
2
Delta Air Lines +1
Time Diff
+1h
Operated by Delta Air Lines Delta Air Lines Southwest Airlines Southwest Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Delta Air Lines DL Delta Air Lines
Route
STL → DTW
Flight Time
1h 31m
Distance
440 mi
Southwest Airlines WN Southwest Airlines
Route
STL → DTW
Flight Time
1h 31m
Distance
440 mi

Alternative Routes

Other ways to fly from Saint Louis to Detroit with one stop · direct emits 81 kg CO₂ per passenger

STL IND (Indianapolis) DTW
Leg 1: 55m (229 mi) Leg 2: 1h 13m (231 mi) Total: ~2h 8m 🍃 110 kg CO₂ (+36% vs. direct)
Leg 1
STL → IND
55m · 229 mi
View STL to IND flights →
Leg 2
IND → DTW
1h 13m · 231 mi
View IND to DTW flights →
STL MDW (Chicago) DTW
Leg 1: 1h 5m (252 mi) Leg 2: 1h 10m (227 mi) Total: ~2h 15m 🍃 114 kg CO₂ (+41% vs. direct)
Leg 1
STL → MDW
1h 5m · 252 mi
View STL to MDW flights →
Leg 2
MDW → DTW
1h 10m · 227 mi
View MDW to DTW flights →
STL MKE (Milwaukee) DTW
Leg 1: 1h 15m (317 mi) Leg 2: 1h 12m (237 mi) Total: ~2h 27m 🍃 128 kg CO₂ (+58% vs. direct)
Leg 1
STL → MKE
1h 15m · 317 mi
View STL to MKE flights →
Leg 2
MKE → DTW
1h 12m · 237 mi
View MKE to DTW flights →
STL CLE (Cleveland) DTW
Leg 1: 1h 30m (488 mi) Leg 2: 58m (96 mi) Total: ~2h 28m 🍃 133 kg CO₂ (+64% vs. direct)
Leg 1
STL → CLE
1h 30m · 488 mi
View STL to CLE flights →
Leg 2
CLE → DTW
58m · 96 mi
View CLE to DTW flights →
STL CMH (Columbus) DTW
Leg 1: 1h 20m (410 mi) Leg 2: 1h 8m (154 mi) Total: ~2h 28m 🍃 130 kg CO₂ (+60% vs. direct)
Leg 1
STL → CMH
1h 20m · 410 mi
View STL to CMH flights →
Leg 2
CMH → DTW
1h 8m · 154 mi
View CMH to DTW flights →

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.