125 € Cheap Flights from Detroit Wayne County to St Louis

Compare Detroit Wayne County to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Flight deals from Detroit Wayne County to St Louis

Looking for a cheap last-minute deal or the best return flight from Detroit Wayne County Airport to St Louis Airport? If you want to travel next month, return fares start from 125 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Detroit Wayne County to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Detroit Wayne County to St Louis flights are currently cheapest in July.

Direct flights from Detroit Wayne County to St Louis

Detroit Wayne County to St Louis: Alternative routes

Compare routes from Detroit Wayne County to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Detroit to St Louis: Flight information

The things to know before you go.
Cheapest flight found125 €
Cheapest month to flyAugust
Average flight time1 hr, 40 mins
Most popular airlineWestJet
Average flights per week114

Finding cheap flights from Detroit Wayne County to St Louis: Frequently asked questions

The best price we found for a return flight from Detroit Wayne County to St Louis is 125 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 40 minutes is the average flight time from Detroit Wayne County to St Louis.
WestJet, Southwest Airlines and Delta fly direct from Detroit Wayne County to St Louis.
As of July 2026, there are 114 flights per week flying from Detroit Wayne County to St Louis.
The cheapest month to fly from Detroit Wayne County to St Louis is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Detroit Wayne County Airport to St Louis Airport on Friday, 14 August 2026.
Yes – the average flight time is 1 hour and 40 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines and Delta offer the cheapest flight tickets to St Louis.

Flying from Detroit Wayne County Airport (DTW) to St Louis Airport (STL): what you need to know

  • Jump on a direct flight from Detroit Wayne County Airport to St Louis Airport and you'll be travelling for an average of 1 hour 40 minutes.

  • St Louis is one hour behind Detroit and is in the UTC-6 timezone.

  • Each week, there are 33 Detroit Wayne County Airport to St Louis Airport flights. If you prefer to jet off early, go for the 07:00 Southwest Airlines flight. If you'd rather make the most of your time before you fly, the last flight is at 21:10 with Southwest Airlines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to catch your DTW to STL flight.

  • During popular months like July, you'll want to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a high season in general.

  • Delta has direct flights from Detroit Wayne County Airport to St Louis Airport. Book with this popular airline, then get ready to see the sights in St Louis — and maybe even more of the United States if your schedule allows.

  • Most travellers choose to fly with Delta on this route.

  • Southwest Airlines is the most punctual carrier offering DTW to STL flights, with 73.37% of its services arriving as scheduled.

  • If you'd like to split up your journey, just deselect 'Direct flights only' when searching for your ticket from Detroit Wayne County Airport to St Louis Airport. These are the top stopovers between DTW and STL:

    • Chicago O'Hare International Airport

    • Nashville Airport

    • Chicago Midway Airport

How to find the cheapest flights from Detroit Wayne County Airport (DTW) to St Louis Airport (STL)

  • The lowest price we've seen for a one-way Detroit Wayne County Airport to St Louis Airport flight is 62 €. A round-trip plane ticket right now is 125 €. Depending on the availability and when you book, these fares can change.

  • It's often best to book ahead of time if you want to find cheap tickets from DTW to STL. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • The cheapest month for flights from Detroit Wayne County Airport to St Louis Airport is May. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • Snapping up cheap flights from DTW to STL is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when fares go down.

  • Lock in the perfect flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Detroit Wayne County Airport to St Louis Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about Detroit Wayne County Airport (DTW)

  • DTW is located at 1 Detroit Metro Airport.

  • Of all flights departing from Detroit Wayne County Airport, 74% land on schedule at their destination.

  • Central Detroit to Detroit Wayne County Airport is around 32 kilometres. Depending on traffic, it'll take you about 30 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • The journey on public transport usually takes 1 hour.

  • Get your break off to a leisurely start by staying near DTW. Whether you've booked an early flight from Detroit Wayne County Airport to St Louis Airport or just don't like being rushed, these hotels are perfect:

Arriving at St Louis Airport (STL)

When to fly to St Louis Airport (STL)

  • It's time to plan your dates for your flight from Detroit Wayne County Airport to St Louis Airport. July is the busiest month to head to St Louis. If you'd like a more relaxed vibe, go in March.

  • Book your flight from Detroit Wayne County Airport to St Louis Airport for July if you'd like to explore St Louis during its warmest month. You can expect temperatures of between 17ºC (63ºF) and 33ºC (91ºF).

  • Look for cheap tickets from DTW to STL in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -7ºC (19ºF) and 8ºC (46ºF) on average.

Explore more of the United States

  • Chicago is just one of the many places in the United States waiting to be discovered once you've seen St Louis. Around 418 kilometres away to the north-east, its best attractions include Millennium Park, Art Institute of Chicago and Willis Tower.

  • Around 370 kilometres east of St Louis, Indianapolis is another favourite stop in the United States. Start your sightseeing at Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.