DTW - STL

Find cheap flights from Detroit to St. Louis

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Detroit to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Detroit to St. Louis, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Detroit to St. Louis (DTW-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Detroit to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Detroit to St. Louis

KLM Logo
DTW-STL
1h 38mdirect
KLM Logo
STL-DTW
1h 35mdirect
Air France Logo
DTW-STL
1h 36mdirect
Air France Logo
STL-DTW
1h 35mdirect
Air France
Find Deal
Southwest Logo
DTW-STL
1h 50mdirect
Southwest Logo
STL-DTW
1h 30mdirect
Southwest
Find Deal
Delta Logo
DTW-STL
1h 48mdirect
Delta Logo
STL-DTW
1h 35mdirect
Korean Air Logo
DTW-STL
1h 40mdirect
Korean Air Logo
STL-DTW
1h 35mdirect
Korean Air
Find Deal
Aeromexico Logo
DTW-STL
1h 38mdirect
Aeromexico Logo
STL-DTW
1h 32mdirect
Aeromexico
Find Deal
WestJet Logo
DTW-STL
1h 48mdirect
WestJet Logo
STL-DTW
1h 35mdirect
WestJet
Find Deal
Spirit Airlines Logo
DTW-STL
1h 32mdirect
Spirit Airlines Logo
STL-DTW
1h 29mdirect
Spirit Airlines
Find Deal
Virgin Atlantic Logo
DTW-STL
1h 36mdirect
Virgin Atlantic Logo
STL-DTW
1h 35mdirect
Virgin Atlantic
Find Deal
Expert advice

Expert advice for your flight from Detroit to St. Louis

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Southwest

Enjoy two free checked bags up to 50 pounds each, ideal for family travel.


Set an alarm to check in 24 hours before for a better boarding position.

Read more about Southwestby Blane Bachelor
Delta

Delta offers free Wi-Fi for SkyMiles members on domestic flights, perfect for business travelers.


Delta's Comfort Plus seats offer up to three extra inches of legroom for added comfort.

Read more about Deltaby Stefanie Waldek
Airports
DTW

For early departures, consider staying at an airport hotel offering parking deals. This can save time and stress before your flight.

Read more about DTWby Ramsey Qubein
STL

Use MetroLink for easy access to downtown St. Louis. The Red Line connects the airport to popular areas like Delmar Loop and Central West End.

Read more about STLby Yulia Denisyuk
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on DTW

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Booking Insights

KAYAK's insights & trends for Detroit to St. Louis flights

Get data-powered insights and trends into flights from Detroit to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Detroit to St. Louis?

The average price of all round-trip flights from Detroit Metropolitan Wayne County Airport to St. Louis clicked on KAYAK for each day over the last 12 months.

When flying from Detroit to St. Louis, you should consider leaving on a Thursday and avoid Tuesdays if you are looking for the best rates. For your return to Detroit, you’ll find the best rates on Tuesdays and the most expensive ones on Wednesdays.

What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Detroit Metropolitan Wayne County Airport to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Detroit Metropolitan Wayne County Airport to St. Louis is July, where tickets cost C$ 247 (return) on average. On the other hand, the most expensive months are October and December, where the average cost of round-trip tickets is C$ 498 and C$ 470 respectively.

How far in advance should I book a flight from Detroit Metropolitan Wayne County Airport to St. Louis?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Detroit Metropolitan Wayne County Airport to St. Louis, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Detroit Metropolitan Wayne County Airport to St. Louis, you should book around 6 weeks before departure, which saves you about 59% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.


Good to know

Low seasonJanuary
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly and prices are also 3% lower on average.

When to book flights from Detroit to St. Louis

Are your dates flexible? Find out the best times to travel from Detroit to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Detroit to St. Louis flights

  • Which airlines offer Wi-Fi service onboard planes from Detroit to St. Louis?

    Delta, American Airlines, Aeromexico, and Alaska Airlines offer inflight Wi-Fi service on the Detroit to St. Louis flight route.

  • Which aircraft models fly most regularly from Detroit to St. Louis?

    The Boeing 717-200 is the aircraft model that flies most regularly on the Detroit to St. Louis flight route.

  • Which airline alliances offer flights from Detroit to St. Louis?

    SkyTeam is the only airline alliance operating flights between Detroit and St. Louis.

  • On which days can I fly direct from Detroit to St. Louis?

    There are direct flights from Detroit to St. Louis on a daily basis.

  • How does KAYAK find such low prices on flights from Detroit to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Detroit to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Detroit to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Detroit is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Detroit to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Detroit with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Detroit to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Detroit up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Detroit Metropolitan Wayne County Airport to St. Louis

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 69 or less one-way and C$ 167 or less round-trip.

Prefer to fly direct from Detroit to St. Louis?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Detroit Metropolitan Wayne County to Lambert-St Louis.
Find which airlines fly direct from Detroit Metropolitan Wayne County Airport to Lambert-St Louis Airport, which days they fly and book direct flights.

Direct departures

Detroit Metropolitan Wayne County to Lambert-St Louis

Monday

Aeromexico,Air France,Delta, +6 more

Aeromexico,Air France, +7 more

Tuesday

Aeromexico,Air France,Delta, +5 more

Aeromexico,Air France, +6 more

Wednesday

Aeromexico,Air France,Delta, +5 more

Aeromexico,Air France, +6 more

Thursday

Aeromexico,Air France,Delta, +6 more

Aeromexico,Air France, +7 more

Friday

Aeromexico,Air France,Delta, +6 more

Aeromexico,Air France, +7 more

Saturday

Aeromexico,Air France,Delta, +5 more

Aeromexico,Air France, +6 more

Sunday

Aeromexico,Air France,Delta, +6 more

Aeromexico,Air France, +7 more

See more nonstop flights

Direct returns

Lambert-St Louis to Detroit Metropolitan Wayne County

Monday

Air France,Delta,KLM, +5 more

Air France,Delta, +6 more

Tuesday

Air France,Delta,KLM, +4 more

Air France,Delta, +5 more

Wednesday

Air France,Delta,KLM, +4 more

Air France,Delta, +5 more

Thursday

Air France,Delta,KLM, +5 more

Air France,Delta, +6 more

Friday

Air France,Delta,KLM, +5 more

Air France,Delta, +6 more

Saturday

Air France,Delta,KLM, +4 more

Air France,Delta, +5 more

Sunday

Air France,Delta,KLM, +5 more

Air France,Delta, +6 more

See more nonstop flights

Reviews of the top airlines flying from Detroit to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from Detroit to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Detroit to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4246 reviews
7.0Food
8.6Crew
8.1Boarding
7.5Entertainment
8.0Comfort
Airline reviews

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

2.0 MediocreAnonymous, Jul 2025AUS - RDU
Read more Southwest reviews

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

WiFi did not work. For as outrageous as these flights cost, when they’re advertised with certain services/ features they should be in working order

Worst experience I had on Southwest. Still better than most, but the seating was barely tolerable.

The Southwest employees (all two of them) were very nice and cheerful despite the fact the line to self-check a bag (simply drop it off) was hundreds of people long. Thank God I arrived early to the airport because I stood in this line for at least an hour. Once on the flight that had been delayed by an hour, we had no Wi-Fi and thus no entertainment. Finally, I hope the investor strong arm tactics against Southwest pay off in a short-term windfall to your C-Suite because the rest of you are screwed. I have been a faithful Southwest customer for 15 years due to everything you just got rid of. I'm flying to Idaho and Washington in October, both places I used to simply book with Southwest without a second thought now with Frontier (Washington) and United (Idaho) because they offer everything the "new" Southwest does but cheaper and at better times, destinations, etc. This really makes me sad...

It was okay. The plane was delayed from earlier in the day, but they kept updating the departure time, sometimes later, sometimes earlier. That was stressful. Once we finally got on and took off, it was fine. I was supposed to have a connection in Chicago to Los Angeles, and the time for so late I was rebooked to arrive in LA 3 hours late. The departure time to Chicago later became early enough to have taken my original connection and arrive earlier but that wasn't an option.

It was one and half hour late... Not sure if any other experience matters.

Delayed flight. Nicest crew member was a SW pilot flying seated next to me who kindly move to seat the final passenger. Flight extra delayed. My cup of refreshment of ginger ale was so packed with ice it was literally 2 sips.

For my birthday trip this was my second time ever flying, this trip was the best.

My experience on any Delta flight is always overshadowed by the time Delta removed me from a flight for no apparent reason.

Delayed and took off even later than the scheduled delay time

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

Great experience on Delta. Staff from baggage check to flight attendants were very courteous and professional. My only issue was a personal preference for pretzels instead of the chips and cookies that were offered.

There was no problems, just a little uncomfortable with seats that do not lay back a little

Always good but we must do something about people in rows ahead of you that don't put their seats back up when they are suppose to. And It's rough to not be able to even lean over to get something out of my purse.

Flight was delayed, 30+ bags had to be gate checked. Crew were very friendly!

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Did not know my son and I had different seating arrangements. He was fine, but it was disappointing.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

Everything you need to know for your flight from Detroit to St. Louis

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