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Direct (non-stop) flights from Saint Louis (STL) to Detroit (DTW)

Find comprehensive flight information, schedules, and booking details for direct flights from Saint Louis (STL) to Detroit (DTW). This popular route is operated by 2 airlines, offering multiple daily departures.Flight Duration: 1h 30m - 1h 40m (average flight time)Distance: 442 miles (711 km) (air miles between airports)Daily Flights: 4-7 flights (scheduled departures per day)

STL
Saint Louis (STL)
DTW
Detroit (DTW)

FLIGHT TIME

1h 30m - 1h 40m

FLIGHT DISTANCE

442 miles (711 km)
Flight time
1h 30m - 1h 35m
Earliest flight
06:40
Last flight
20:40
Distance
442 miles (711 km)
Cheapest month
April
Airlines
2 (Show)
Flights per week
43

Flight Schedule

December 2025
Sun
Mon
Tue
Wed
Thu
Fri
Sat

Airlines with direct flights from Saint Louis (STL) to Detroit (DTW)

Delta Air Lines (DL), Southwest Airlines (WN)

Route Insights

Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 30m - 1h 40m.

Pricing patterns: April typically offers lower prices due to reduced demand outside peak travel seasons.

Airline service: This route is primarily served by Delta Air Lines and Southwest Airlines, reflecting hub connections and route network strategies.

Best departure times: Peak departure times are 6:00, 8:00, 10:00, offering more flight options and potentially better connections.

Saint Louis (STL) - Detroit (DTW) flight price statistics

$293

Approximate

The numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.

$337
Jan
$292
Feb
$228
Mar
$195
Apr
$258
May
$218
Jun
$353
Jul
$313
Aug
$242
Sep
$358
Oct
$278
Nov
$448
Dec
Approximate prices for one round-trip flight from Saint Louis (STL) to Detroit (DTW). Graph is not to scale.

Related Information

Airports: STLDTW Airport

Airlines operating this route: Delta Air Lines (DL), Southwest Airlines

Frequently Asked Questions

How many flights operate from STL to DTW?

There are 6 direct flights operating from STL to DTW. Approximately 4-7 flights daily.

Which airlines operate flights from STL to DTW?

2 airlines operate on this route: Delta Air Lines, Southwest Airlines.

How long is the flight from STL to DTW?

The flight duration from STL to DTW is approximately 1h 30m - 1h 40m.

What is the distance from STL to DTW?

The distance from STL to DTW is 442 miles (711 km).

What is the flight time range for this route?

Flight times on this route range from 1h 30m - 1h 35m.

What are the earliest and latest flight departure times?

The earliest flight departs at 06:40 and the latest flight departs at 20:40.

What is the cheapest month to fly from STL to DTW?

April is typically the cheapest month to fly on this route.

How many flights operate per week on this route?

Approximately 43 flights operate per week from STL to DTW.

What types of aircraft operate on this route?

This route is served by Boeing 717-200, Boeing 737MAX 8 Passenger, Airbus A319.

What is the average flight price from STL to DTW?

The average flight price for a round-trip ticket from STL to DTW is approximately $293 USD. Prices can vary based on booking time, season, and airline.

When is the best time to book flights from STL to DTW for the lowest prices?

April is typically the cheapest month to fly from STL to DTW. Booking in advance and avoiding peak travel seasons can help you find better deals.

How many airlines offer flights from STL to DTW?

2 airlines offer direct flights from STL to DTW, providing travelers with multiple options for scheduling and pricing.

How far is DTW from STL?

The distance from STL to DTW is 442 miles (711 km). This is a long-haul flight route.

How long does it take to fly from STL to DTW?

The flight time from STL to DTW is approximately 1h 30m - 1h 40m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.