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Cheap flights from Detroit to St. Louis

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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Detroit to St. Louis.
KLM Logo
DTW-STL
1h 42mdirect
KLM Logo
STL-DTW
1h 30mdirect
Air France Logo
DTW-STL
1h 42mdirect
Air France Logo
STL-DTW
1h 38mdirect
Air France
Find Deal
Southwest Logo
DTW-STL
1h 35mdirect
Southwest Logo
STL-DTW
1h 30mdirect
Southwest
Find Deal
Delta Logo
DTW-STL
1h 42mdirect
Delta Logo
STL-DTW
1h 37mdirect
Korean Air Logo
DTW-STL
1h 41mdirect
Korean Air Logo
STL-DTW
1h 37mdirect
Korean Air
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WestJet Logo
DTW-STL
1h 42mdirect
WestJet Logo
STL-DTW
1h 37mdirect
WestJet
Find Deal
Spirit Airlines Logo
DTW-STL
1h 49mdirect
Spirit Airlines Logo
STL-DTW
1h 37mdirect
Spirit Airlines
Find Deal
Virgin Atlantic Logo
DTW-STL
1h 42mdirect
Virgin Atlantic Logo
STL-DTW
1h 30mdirect
Virgin Atlantic
Find Deal

See travel insights to St. Louis from

How to get the cheapest flight ticket from Detroit to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, March is the cheapest month to fly from Detroit to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R5 638. If you aren’t able to travel to St. Louis during the month of March, then flying in June is also cheap. Prices for this month can be found on momondo for an average of R5 638.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Detroit when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around R5 878 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Detroit for as low as R4 749 on momondo.

How have Detroit to St. Louis flight prices changed over time?

As of April 2025, prices for Detroit to St. Louis flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from Detroit to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Detroit to St. Louis (DTT to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to St. Louis

Direct flights

None
There are no direct flights from Detroit to St. Louis. There are no popular flight routes from Detroit to St. Louis.

  • How far is Detroit to Lambert-St Louis by plane?

    The straight-line distance from Detroit to Lambert-St Louis is 730,9 km.

  • When did momondo last update prices for flights from Detroit to Lambert-St Louis Airport?

    Prices for flights from Detroit to Lambert-St Louis Airport refresh daily.

  • How old do you have to be to fly from Detroit to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Detroit to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Detroit to St. Louis?


Why use momondo?

Why should I use momondo to find a flight deal from Detroit to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Detroit to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Detroit to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Detroit which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Detroit to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Detroit. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Detroit to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Detroit and alert you when they change.


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