How many flights depart from St. Louis to Detroit on average per day?

As of September 2025, there are 14 flights per day flying from St. Louis to Detroit. The most common time of day flights depart is 5:00PM, with 57% of flights taking off at noon.

How many flights depart from St. Louis to Detroit on average per week?

101 flights are operational weekly from St. Louis to Detroit as of September 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What is the cheapest airline that flies from Lambert-St Louis to Detroit?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Lambert-St Louis to Detroit

What airlines fly to Detroit?

Delta, Southwest and Spirit Airlines are the top three most popular airlines that fly to Detroit from St. Louis according to our data. Delta is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 3 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Lambert-St Louis Airport to Detroit were last updated today.

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

As of September 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Detroit.

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

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 Lambert-St Louis Airport to Detroit.

What documentation or ID do you need to fly to Detroit?

The necessary travel and health documents for your Detroit trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$71 Cheap Flights from St. Louis to Detroit in 2025/26

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Find the cheapest flights from St. Louis to Detroit

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:32 pm - 10:30 amSTL-DTW

11h 58m1 stop

1:36 pm - 8:37 pmDTW-STL

8h 01m1 stop

$153Frontier

Find Deal

Fri, Oct 3 - Mon, Oct 6

11:27 am - 5:12 pmSTL-DTW

4h 45m1 stop

9:05 pm - 9:07 amDTW-STL

13h 02m1 stop

$174Frontier

Find Deal

Sun, Nov 2 - Sun, Nov 2

11:32 am - 8:16 amSTL-DTW

19h 44m1 stop

7:55 am - 9:07 amDTW-STL

26h 12m1 stop

$180

Find Deal

Fri, Oct 10 - Tue, Oct 14

11:32 am - 8:16 amSTL-DTW

19h 44m1 stop

9:05 pm - 9:22 amDTW-STL

37h 17m2 stops

$182

Find Deal

Fri, Oct 10 - Tue, Oct 14

6:00 am - 5:34 pmSTL-DTW

10h 34m1 stop

7:00 am - 4:04 pmDTW-STL

10h 04m1 stop

$183American Airlines

Find Deal

Wed, Oct 8 - Tue, Oct 14

5:30 am - 12:52 pmSTL-DTW

6h 22m1 stop

7:26 pm - 11:58 pmDTW-STL

5h 32m1 stop

$223American Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

2:36 pm - 5:10 pmSTL-DTW

1h 34mnonstop

1:09 pm - 1:51 pmDTW-STL

1h 42mnonstop

$255Delta

Find Deal

Wed, Dec 10 - Mon, Dec 15

5:40 am - 11:45 amSTL-DTW

5h 05m1 stop

8:25 am - 9:05 amDTW-STL

1h 40mnonstop

$265Southwest

Find Deal

Thu, Oct 23 - Mon, Oct 27

2:15 pm - 4:45 pmSTL-DTW

1h 30mnonstop

12:45 pm - 1:22 pmDTW-STL

1h 37mnonstop

$268Delta

Find Deal

Fri, Oct 10 - Tue, Oct 14

2:25 pm - 10:40 pmSTL-DTW

7h 15m2 stops

5:40 am - 12:35 pmDTW-STL

7h 55m2 stops

$285Southwest

Find Deal

Wed, Dec 10 - Mon, Dec 15

Delta flights from St. Louis to Detroit

Our best Delta deals on St. Louis to Detroit flight tickets

Delta

Dec 10

STL2:36 pmLambert-St Louis

1h 34m

DTW5:10 pmDetroit Metropolitan Wayne County

Dec 15

DTW1:09 pmDetroit Metropolitan Wayne County

1h 42m

STL1:51 pmLambert-St Louis

$255

Find similar

Delta

Oct 10

STL2:15 pmLambert-St Louis

1h 30m

DTW4:45 pmDetroit Metropolitan Wayne County

Oct 14

DTW12:45 pmDetroit Metropolitan Wayne County

1h 37m

STL1:22 pmLambert-St Louis

$268

Find similar

Delta

Oct 16

STL6:40 amLambert-St Louis

1h 32m

DTW9:12 amDetroit Metropolitan Wayne County

Oct 19

DTW8:55 amDetroit Metropolitan Wayne County

1h 42m

STL9:37 amLambert-St Louis

$287

Find similar

Frontier flights from St. Louis to Detroit

Our best Frontier deals on St. Louis to Detroit flight tickets

Frontier

Oct 3

STL9:32 pmLambert-St Louis

11h 58m

1 stop

DTW10:30 amDetroit Metropolitan Wayne County

Oct 6

DTW1:36 pmDetroit Metropolitan Wayne County

8h 01m

1 stop

STL8:37 pmLambert-St Louis

$153

Find similar

Frontier

Nov 2

STL11:27 amLambert-St Louis

4h 45m

1 stop

DTW5:12 pmDetroit Metropolitan Wayne County

Nov 2

DTW9:05 pmDetroit Metropolitan Wayne County

13h 02m

1 stop

STL9:07 amLambert-St Louis

$174

Find similar

Frontier

Oct 3

STL9:32 pmLambert-St Louis

11h 58m

1 stop

DTW10:30 amDetroit Metropolitan Wayne County

Oct 6

DTW9:39 amDetroit Metropolitan Wayne County

11h 58m

2 stops

STL8:37 pmLambert-St Louis

$186

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 10/3

9:32 pm-10:30 am

1 stop11h 58m

Detroit Metropolitan Wayne County

Mon 10/6

1:36 pm-8:37 pm

1 stop8h 01m

$153

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 11/2

11:27 am-5:12 pm

1 stop4h 45m

Detroit Metropolitan Wayne County

Sun 11/2

9:05 pm-9:07 am

1 stop13h 02m

$174

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 10/10

11:32 am-8:16 am

1 stop19h 44m

Detroit Metropolitan Wayne County

Tue 10/14

7:55 am-9:07 am

1 stop26h 12m

$180

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 10/10

11:32 am-8:16 am

1 stop19h 44m

Detroit Metropolitan Wayne County

Tue 10/14

9:05 pm-9:22 am

2 stops37h 17m

$182

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 10/8

6:00 am-5:34 pm

1 stop10h 34m

Detroit Metropolitan Wayne County

Tue 10/14

7:00 am-4:04 pm

1 stop10h 04m

$183

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 10/23

5:30 am-12:52 pm

1 stop6h 22m

Detroit Metropolitan Wayne County

Mon 10/27

7:26 pm-11:58 pm

1 stop5h 32m

$223

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 12/10

2:36 pm-5:10 pm

Nonstop1h 34m

Detroit Metropolitan Wayne County

Mon 12/15

1:09 pm-1:51 pm

Nonstop1h 42m

$255

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 10/23

5:40 am-11:45 am

1 stop5h 05m

Detroit Metropolitan Wayne County

Mon 10/27

8:25 am-9:05 am

Nonstop1h 40m

$265

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 10/10

2:15 pm-4:45 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Tue 10/14

12:45 pm-1:22 pm

Nonstop1h 37m

$268

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 12/10

2:25 pm-10:40 pm

2 stops7h 15m

Detroit Metropolitan Wayne County

Mon 12/15

5:40 am-12:35 pm

2 stops7h 55m

$285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

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

What is the cheapest month to fly to Detroit?

The cheapest month to fly to Detroit from St. Louis is in August. Flight prices, which tend to average around $102, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in August, then July is your next best option. Flight prices from St. Louis to Detroit during July average around $118.

What is the cheapest day to depart on your flight to Detroit?

On average, the least expensive day to fly to Detroit from St. Louis is on a Friday. momondo users have found tickets for Friday departures for as low as $373. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Detroit for around $802.

What is the cheapest time of day to depart on your flight to Detroit?

In the evening is the cheapest time of day to fly from St. Louis to Detroit when you can find flight prices for as low as $235. Flying to Detroit in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $923 on average. Flights to Detroit from St. Louis at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Detroit?

You are more likely to see cheaper flights to Detroit from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $287 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from St. Louis for as low as $140 on momondo.

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

There are 4 cabin classes available to choose from on Lambert-St Louis to Detroit 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 St. Louis to Detroit flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Detroit.

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

As of September 2025, prices for St. Louis to Detroit flights are approximately 116% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Detroit

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

Estimated round-trip price

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

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

Best Price Found	$162
Fastest flight time	1h 30m
Direct flights	Every day
Airports in Detroit	1 airport

The best one-way flight to Detroit from St. Louis in the past 72 hours is $162. The best round-trip flight deal from St. Louis to Detroit found on momondo in the last 72 hours is $269.

The fastest flight from St. Louis to Detroit takes 1h 30m

Direct flights go from St. Louis to Detroit every day.

There is 1 airport near Detroit: Detroit Metropolitan Wayne County (DTW)

Search flight deals

How far is Lambert-St Louis to Detroit by plane?
A flight from Lambert-St Louis to Detroit will travel around 454.1 mi. Typically, this will take 1h 30m by plane in normal conditions.
When did momondo last update prices for flights from Lambert-St Louis Airport to Detroit?
Prices for flights from Lambert-St Louis Airport to Detroit were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Detroit?
As of September 2025, there are 3 operators available to choose from for flights from Lambert-St Louis Airport to Detroit.
How old do you have to be to fly from Lambert-St Louis Airport to Detroit?
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 Lambert-St Louis Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The necessary travel and health documents for your Detroit trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Detroit?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from St. Louis to Detroit is Boeing 717-200 (17.10% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (16.69%), Boeing 737 MAX 8 (13.18%), and Boeing 737-800 Passenger/BBJ2 (winglets) (8.92%).
What is the most popular airline from St. Louis to Detroit?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Detroit is Delta (59% of total bookings). The next most popular airlines are Southwest (22%) and Spirit Airlines (19%).

Best airlines flying from St. Louis to Detroit

Compare and see reviews for airlines that fly from St. Louis to Detroit with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $41	Free Cancellation	Rating 6.3 8,015 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $119	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Delta	PriceFrom $122	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights

Southwest Flights From St. Louis to Detroit
Southwest is one of the most popular airlines flying from St. Louis to Detroit, operating 9 flights/week on average for this route. A good Southwest flight deal for St. Louis to Detroit starts from $119 round-trip, up to an average price of $300. Our users have rated Southwest at 8.0/10.
Delta Flights From St. Louis to Detroit
Delta is also a popular choice for this route. Delta flight deals for St. Louis to Detroit start from as low as $122 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $303. Delta operates 24 flights to Detroit from St. Louis in an average week. Users have rated it 7.9/10 across 7,954 reviews.

Port Huron

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Why use momondo?

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

It is quick and easy to find St. Louis to Detroit flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Detroit that suits you.

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

Yes. All flights to Detroit from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Of course. momondo tracks the price of St. Louis to Detroit flights. All you need is a valid email address and we will do the rest; it is that quick and easy.