Cheap Flights from St Louis to Detroit Wayne County

Compare St Louis to Detroit Wayne County flight deals

Find the cheapest month or even day of the year to fly to Detroit Wayne County

Book the best Detroit Wayne County fare with no extra fees

Flight deals from St Louis to Detroit Wayne County

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Detroit Wayne County Airport? If you want to travel next month, return fares start from $371. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from St Louis to Detroit Wayne County

St Louis to Detroit Wayne County: Alternative routes

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

St Louis to Detroit: Flight information

The things to know before you go.
Cheapest flight found$371
Cheapest month to flyOctober
Average flight time1 hr, 33 mins
Most popular airlineWestJet
Average flights per week124

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

The best price we found for a return flight from St Louis to Detroit Wayne County is $371. 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 33 minutes is the average flight time from St Louis to Detroit Wayne County.
WestJet, Southwest Airlines and KLM fly direct from St Louis to Detroit Wayne County.
As of July 2026, there are 124 flights per week flying from St Louis to Detroit Wayne County.
The cheapest month to fly from St Louis to Detroit Wayne County is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Detroit Wayne County Airport on Thursday, 8 October 2026.
Yes – the average flight time is 1 hour and 33 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 Detroit Wayne County 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 Detroit is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Delta offers the cheapest flight tickets to Detroit Wayne County.

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

  • The average length of a direct flight from St Louis Airport to Detroit Wayne County Airport is 1 hour 30 minutes.

  • Detroit's timezone is UTC-5, which makes Detroit one hour ahead of St Louis.

  • You can choose from 33 weekly St Louis Airport to Detroit Wayne County Airport flights. The 06:29 departure with Delta Air Lines is the earliest flight you can take. Southwest Airlines operates the latest service of the day at 20:50.

  • Give yourself enough time to catch your STL to DTW flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time such as July? Public holidays and other popular periods can mean longer lines and delays at airport checkpoints. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Delta is your gateway to exploring Detroit (and perhaps some other great parts of the United States!). Browse the direct flights from St Louis Airport to Detroit Wayne County Airport offered by this popular carrier.

  • The airline with the highest booking volume on this route is Delta.

  • With an impressive 83.24% of services arriving as planned, Southwest Airlines has the best on-time performance for STL to DTW flights.

  • Consider adding a stopover when booking your ticket from St Louis Airport to Detroit Wayne County Airport. Simply uncheck 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between STL and DTW:

    • Chicago O'Hare International Airport

    • Chicago Midway Airport

    • Kansas City International Airport

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

  • $128 is the lowest price for a one-way St Louis Airport to Detroit Wayne County Airport flight. A return flight starts at $371. These fares can change depending on availability and demand.

  • It's usually best to book ahead of time if you're hoping to get cheap tickets from STL to DTW. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • Organise your trip for May. That's the cheapest month for flights from St Louis Airport to Detroit Wayne County Airport. If you're flexible on when you fly, use the 'Whole month' tool to see the lowest airfare across every month.

  • Cut down on the time spent looking for cheap flights from STL to DTW by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Discover the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from St Louis Airport to Detroit Wayne County Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about St Louis Airport (STL)

Arriving at Detroit Wayne County Airport (DTW)

Getting from Detroit Wayne County Airport (DTW) to central Detroit

  • DTW is located at 1 Detroit Metro Airport.

  • Detroit Wayne County Airport is roughly 32 kilometres from the centre of Detroit. The drive time takes about 30 minutes.

  • It takes around 1 hour if you're travelling on public transport.

When to fly to Detroit Wayne County Airport (DTW)

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

  • The warmest month in Detroit is July, with the temperature ranging between 15ºC and 30ºC. Book your flights from St Louis Airport to Detroit Wayne County Airport in this month if you enjoy this type of weather.

  • Look for cheap tickets from STL to DTW in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC and 3ºC on average.

Explore more of the United States

  • Chicago is just one of the many places in the United States waiting to be explored once you've taken in the sights of Detroit. Around 386 kilometres away to the west, top sights here include Millennium Park, Art Institute of Chicago and Willis Tower.

  • Columbus is another favourite destination in the United States and is around 257 kilometres south of Detroit. No journey is complete without seeing Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

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