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Cheap flights from Detroit to St. Louis from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to St. Louis departing on 1/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Detroit to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Detroit to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Detroit to St. Louis.

Cheap last minute flights

Planning a quick getaway from Detroit to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Detroit to St. Louis

Find recent round-trip train or bus tickets from Detroit to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
8:57 am - 11:27 pmDTW-STL
15h 30m1 stop
8:12 am - 7:55 amSTL-DTW
22h 43m1 stop
$119Frontier
Find Deal
Thu, Jan 9 - Sun, Jan 12
8:57 am - 11:27 pmDTW-STL
15h 30m1 stop
8:12 am - 7:55 amSTL-DTW
22h 43m1 stop
$128Frontier
Find Deal
Thu, Jan 9 - Sun, Jan 12
6:14 am - 3:21 pmDTW-STL
10h 07m1 stop
5:05 pm - 7:55 amSTL-DTW
13h 50m1 stop
Tue, Jan 7 - Sat, Jan 11
5:10 am - 2:43 pmDTW-STL
10h 33m1 stop
7:09 pm - 8:14 pmSTL-DTW
24h 05m1 stop
Tue, Jan 21 - Sat, Jan 25
12:30 pm - 1:15 pmDTW-STL
1h 45mnonstop
2:05 pm - 4:35 pmSTL-DTW
1h 30mnonstop
$271Delta
Find Deal
Wed, Jan 8 - Tue, Jan 14
12:30 pm - 1:15 pmDTW-STL
1h 45mnonstop
12:00 pm - 2:33 pmSTL-DTW
1h 33mnonstop
$280Delta
Find Deal
Wed, Jan 8 - Sat, Jan 11
1:40 pm - 10:02 pmDTW-STL
9h 22m1 stop
6:00 am - 11:16 amSTL-DTW
4h 16m1 stop
$286American Airlines
Find Deal
Wed, Feb 26 - Sat, Mar 1
6:05 pm - 8:40 pmDTW-STL
3h 35m1 stop
9:00 am - 11:30 amSTL-DTW
1h 30mnonstop
$290Southwest
Find Deal
Mon, Jan 6 - Tue, Jan 7
1:40 pm - 10:09 pmDTW-STL
9h 29m1 stop
7:18 am - 2:47 pmSTL-DTW
6h 29m1 stop
$291American Airlines
Find Deal
Wed, Jan 22 - Sun, Jan 26
6:45 pm - 7:35 pmDTW-STL
1h 50mnonstop
11:20 am - 1:50 pmSTL-DTW
1h 30mnonstop
$300Southwest
Find Deal
Tue, Jan 7 - Sat, Jan 11
2:56 pm - 11:27 pmDTW-STL
9h 31m1 stop
$54Frontier
Find Deal
Wed, Jan 8
8:57 am - 11:27 pmDTW-STL
15h 30m1 stop
$65Frontier
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Thu, Jan 9
5:15 pm - 2:43 pmDTW-STL
22h 28m2 stops
$100Spirit Airlines
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Wed, Jan 8
3:53 pm - 2:43 pmDTW-STL
23h 50m2 stops
$119Spirit Airlines
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Wed, Jan 15
6:45 pm - 7:35 pmDTW-STL
1h 50mnonstop
$136Southwest
Find Deal
Tue, Jan 28
8:05 am - 4:21 pmDTW-STL
9h 16m1 stop
$137American Airlines
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Tue, Feb 18
11:40 am - 12:20 pmDTW-STL
1h 40mnonstop
$145Southwest
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Thu, Jan 16
3:38 pm - 7:23 pmDTW-STL
4h 45m1 stop
$154American Airlines
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Mon, Jan 27
8:55 pm - 9:49 pmDTW-STL
1h 54mnonstop
$186Delta
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Wed, Feb 19
8:40 am - 9:36 amDTW-STL
1h 56mnonstop
$195Delta
Find Deal
Thu, Jan 16
9:15 pm - 10:00 pmDTW-STL
1h 45mnonstop
7:45 am - 10:15 amSTL-DTW
1h 30mnonstop
$510Southwest
Find Deal
Mon, Dec 23 - Thu, Jan 2
9:15 pm - 10:00 pmDTW-STL
1h 45mnonstop
2:30 pm - 7:00 pmSTL-DTW
3h 30m1 stop
$519Southwest
Find Deal
Mon, Dec 23 - Thu, Jan 2
4:15 pm - 4:59 pmDTW-STL
1h 44mnonstop
10:13 am - 12:53 pmSTL-DTW
1h 40mnonstop
$539Delta
Find Deal
Sun, Dec 22 - Tue, Dec 31
4:55 pm - 10:06 pmDTW-STL
6h 11m1 stop
5:55 pm - 8:36 pmSTL-DTW
1h 41mnonstop
$549Delta
Find Deal
Sun, Dec 22 - Tue, Dec 31
6:27 pm - 9:45 pmDTW-STL
4h 18m1 stop
5:33 pm - 10:08 pmSTL-DTW
3h 35m1 stop
$555United Airlines
Find Deal
Mon, Dec 23 - Tue, Dec 31
10:44 pm - 4:25 pmDTW-STL
18h 41m3 stops
9:50 am - 8:31 amSTL-DTW
21h 41m3 stops
Mon, Dec 23 - Thu, Jan 2
4:45 pm - 11:28 pmDTW-STL
7h 43m1 stop
5:45 pm - 7:55 amSTL-DTW
13h 10m1 stop
$593Frontier
Find Deal
Sat, Dec 21 - Mon, Dec 23
6:18 pm - 9:45 pmDTW-STL
4h 27m1 stop
5:27 pm - 10:15 pmSTL-DTW
3h 48m1 stop
$600United Airlines
Find Deal
Sun, Dec 22 - Sat, Dec 28
4:45 pm - 11:58 pmDTW-STL
8h 13m1 stop
5:45 pm - 7:55 amSTL-DTW
13h 10m1 stop
$603Frontier
Find Deal
Sun, Dec 22 - Mon, Dec 30
6:14 am - 3:21 pmDTW-STL
10h 07m1 stop
9:50 am - 8:31 amSTL-DTW
21h 41m3 stops
Thu, Dec 19 - Sat, Dec 21
12:30 pm - 1:15 pmDTW-STL
1h 45mnonstop
2:05 pm - 4:35 pmSTL-DTW
1h 30mnonstop
$271Delta
Find Deal
Wed, Jan 8 - Wed, Jan 15
12:30 pm - 1:15 pmDTW-STL
1h 45mnonstop
12:00 pm - 2:33 pmSTL-DTW
1h 33mnonstop
$280Delta
Find Deal
Wed, Jan 8 - Sat, Jan 11
6:45 pm - 7:35 pmDTW-STL
1h 50mnonstop
11:20 am - 1:50 pmSTL-DTW
1h 30mnonstop
$281Southwest
Find Deal
Wed, Jan 15 - Sat, Jan 18
8:55 pm - 9:49 pmDTW-STL
1h 54mnonstop
5:29 pm - 8:08 pmSTL-DTW
1h 39mnonstop
$285Delta
Find Deal
Wed, Feb 26 - Sat, Mar 1
4:48 pm - 5:31 pmDTW-STL
1h 43mnonstop
12:00 pm - 2:33 pmSTL-DTW
1h 33mnonstop
$289Delta
Find Deal
Thu, Jan 16 - Sat, Jan 18
7:25 pm - 8:00 pmDTW-STL
1h 35mnonstop
6:55 pm - 9:25 pmSTL-DTW
1h 30mnonstop
$290Southwest
Find Deal
Sat, Feb 15 - Sat, Feb 22
3:55 pm - 4:42 pmDTW-STL
1h 47mnonstop
12:00 pm - 2:33 pmSTL-DTW
1h 33mnonstop
$294Delta
Find Deal
Fri, Jan 10 - Sat, Jan 18
6:45 pm - 7:35 pmDTW-STL
1h 50mnonstop
8:25 am - 10:55 amSTL-DTW
1h 30mnonstop
$295Southwest
Find Deal
Thu, Jan 9 - Sun, Jan 12
3:55 pm - 4:42 pmDTW-STL
1h 47mnonstop
6:30 am - 9:07 amSTL-DTW
1h 37mnonstop
$299Delta
Find Deal
Fri, Jan 10 - Fri, Jan 17
6:45 pm - 7:35 pmDTW-STL
1h 50mnonstop
11:20 am - 1:50 pmSTL-DTW
1h 30mnonstop
$300Southwest
Find Deal
Tue, Jan 7 - Sat, Jan 11

American Airlines flights from Detroit to St. Louis

Our best American Airlines deals on Detroit to St. Louis flight tickets
American Airlines
Feb 26
DTW1:40 pmDetroit Metropolitan Wayne County
9h 22m
1 stop
STL10:02 pmLambert-St Louis
Mar 1
STL6:00 amLambert-St Louis
4h 16m
1 stop
DTW11:16 amDetroit Metropolitan Wayne County
American Airlines
Jan 22
DTW1:40 pmDetroit Metropolitan Wayne County
9h 29m
1 stop
STL10:09 pmLambert-St Louis
Jan 26
STL7:18 amLambert-St Louis
6h 29m
1 stop
DTW2:47 pmDetroit Metropolitan Wayne County
American Airlines
Dec 30
DTW5:00 amDetroit Metropolitan Wayne County
9h 03m
1 stop
STL1:03 pmLambert-St Louis
Jan 9
STL7:00 amLambert-St Louis
7h 04m
1 stop
DTW3:04 pmDetroit Metropolitan Wayne County

Frontier flights from Detroit to St. Louis

Our best Frontier deals on Detroit to St. Louis flight tickets
Frontier
Jan 9
DTW8:57 amDetroit Metropolitan Wayne County
15h 30m
1 stop
STL11:27 pmLambert-St Louis
Jan 12
STL8:12 amLambert-St Louis
22h 43m
1 stop
DTW7:55 amDetroit Metropolitan Wayne County
Frontier
Jan 9
DTW8:57 amDetroit Metropolitan Wayne County
15h 30m
1 stop
STL11:27 pmLambert-St Louis
Jan 12
STL8:12 amLambert-St Louis
22h 43m
1 stop
DTW7:55 amDetroit Metropolitan Wayne County
Frontier
Jan 15
DTW2:56 pmDetroit Metropolitan Wayne County
9h 31m
1 stop
STL11:27 pmLambert-St Louis
Jan 18
STL5:05 pmLambert-St Louis
13h 52m
1 stop
DTW7:57 amDetroit Metropolitan Wayne County

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 typical price of a round-trip flight between Detroit and St. Louis?

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 $283. The month of August is another great option to travel to St. Louis, with average flight prices from Detroit averaging around $287.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $298. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $354. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Detroit in the evening is the least expensive time of day to depart. momondo users have found prices as low as $300 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $347 per ticket.

What is the cheapest Detroit to Lambert-St Louis flight route?

Fly from Detroit Metropolitan Wayne County to Lambert-St Louis for the best Detroit - Lambert-St Louis flight prices

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

The best time to book a flight to St. Louis from Detroit is 25 days out, which is when prices tend to be around $310. In the past 72 hours, momondo users found flights from Detroit to St. Louis for as low as $230.

What cabin class options are available on Detroit to Lambert-St Louis flights?

There are 4 cabin classes available to choose from on Detroit to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Detroit to St. Louis flights?

You could potentially save up to 60% on your flight if you consider stops on a Detroit to St. Louis flight.

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

As of December 2024, prices for Detroit to St. Louis flights are approximately 23% 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 round-trip 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

Best Price Found

$54

Fastest flight time

1h 35m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Detroit in the past 72 hours is $54. The best round-trip flight deal from Detroit to St. Louis found on momondo in the last 72 hours is $119.
The fastest flight from Detroit to St. Louis takes 1h 35m
Direct flights go from Detroit to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    There are 454.1 mi between Detroit and Lambert-St Louis. A reasonable flight in good conditions will take 1h 35m.

  • 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 many operators does momondo search for flights from Detroit to Lambert-St Louis Airport?

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


Best airlines flying from Detroit to St. Louis

Compare and see reviews for airlines that fly from Detroit to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $138Free CancellationRating
6.1
3,479 reviews
Search Frontier flights
DeltaPriceFrom $201Free CancellationRating
8.0
8,604 reviews
Search Delta flights
American AirlinesPriceFrom $201Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $246Free CancellationRating
8.1
4,848 reviews
Search Southwest flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,059 reviews
Search United Airlines flights
  • Southwest Flights From Detroit to St. Louis

    Southwest operates around 3 flights from Detroit to St. Louis every week. The average price of these flights found in the last 72 hours has been $322, but momondo users have found Southwest deals from Detroit to St. Louis from as low as $246 round-trip. Southwest has been scored 8.1/10 in 4,848 reviews.

  • Delta Flights From Detroit to St. Louis

    The best Delta deal for Detroit to St. Louis flight tickets found on momondo in the last 72 hours was $201, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $305 round-trip. Delta operates 8 flights out of Detroit into St. Louis in an average week, so prices vary by time and availability. 8,604 Delta reviews by users on momondo have scored the airline at 8.0/10.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Detroit.

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

All flight searches from Detroit to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Detroit to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to St. Louis from Detroit. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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