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

111 flights are operational weekly from St. Louis to Detroit as of July 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?

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

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

As of July 2025, there are 15 flights per day flying from St. Louis to Detroit. The most common time of day flights depart is 10:00AM, with 52% of flights taking off at noon.

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 68% 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 July 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.

$28 Cheap Flights from St. Louis to Detroit in 2025

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

Prices are currently low for flights on this route. Typical prices usually range from $87 to $270. The lowest price recently found on this route was $58.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Detroit

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:30 pm - 5:00 pmSTL-DTW

1h 30mnonstop

1:00 pm - 1:32 pmDTW-STL

1h 32mnonstop

$58Spirit Airlines

Find Deal

Thu, Aug 28 - Sun, Aug 31

10:47 am - 1:16 pmSTL-DTW

1h 29mnonstop

9:20 am - 9:52 amDTW-STL

1h 32mnonstop

$60Spirit Airlines

Find Deal

Sun, Aug 3 - Fri, Aug 8

2:30 pm - 5:00 pmSTL-DTW

1h 30mnonstop

1:00 pm - 1:32 pmDTW-STL

1h 32mnonstop

$68Spirit Airlines

Find Deal

Fri, Aug 15 - Sun, Aug 17

5:55 pm - 8:25 pmSTL-DTW

1h 30mnonstop

7:45 am - 8:25 amDTW-STL

1h 40mnonstop

$148Southwest

Find Deal

Sat, Sep 27 - Sun, Oct 12

7:15 am - 12:35 pmSTL-DTW

4h 20m1 stop

8:55 pm - 9:30 pmDTW-STL

1h 35mnonstop

$158Southwest

Find Deal

Sat, Sep 27 - Sun, Sep 28

2:30 pm - 5:00 pmSTL-DTW

1h 30mnonstop

4:08 pm - 12:56 pmDTW-STL

21h 48m1 stop

$161

Find Deal

Fri, Aug 29 - Sun, Aug 31

10:47 am - 1:16 pmSTL-DTW

1h 29mnonstop

8:03 am - 6:41 pmDTW-STL

11h 38m2 stops

$166

Find Deal

Sun, Aug 3 - Fri, Aug 8

6:06 am - 2:42 pmSTL-DTW

7h 36m1 stop

9:42 am - 7:21 pmDTW-STL

10h 39m1 stop

$171American Airlines

Find Deal

Tue, Aug 26 - Tue, Sep 2

10:45 am - 1:15 pmSTL-DTW

1h 30mnonstop

12:45 pm - 1:20 pmDTW-STL

1h 35mnonstop

$177Delta

Find Deal

Sat, Aug 30 - Mon, Sep 1

4:28 pm - 10:36 pmSTL-DTW

5h 08m1 stop

8:06 am - 12:11 pmDTW-STL

5h 05m1 stop

$187American Airlines

Find Deal

Mon, Aug 4 - Thu, Aug 14

Spirit Airlines flights from St. Louis to Detroit

Our best Spirit Airlines deals on St. Louis to Detroit flight tickets

Spirit Airlines

Aug 28

STL2:30 pmLambert-St Louis

1h 30m

DTW5:00 pmDetroit Metropolitan Wayne County

Aug 31

DTW1:00 pmDetroit Metropolitan Wayne County

1h 32m

STL1:32 pmLambert-St Louis

$58

Find similar

Spirit Airlines

Aug 3

STL10:47 amLambert-St Louis

1h 29m

DTW1:16 pmDetroit Metropolitan Wayne County

Aug 8

DTW9:20 amDetroit Metropolitan Wayne County

1h 32m

STL9:52 amLambert-St Louis

$60

Find similar

Spirit Airlines

Aug 15

STL2:30 pmLambert-St Louis

1h 30m

DTW5:00 pmDetroit Metropolitan Wayne County

Aug 17

DTW1:00 pmDetroit Metropolitan Wayne County

1h 32m

STL1:32 pmLambert-St Louis

$68

Find similar

Southwest flights from St. Louis to Detroit

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

Southwest

Sep 27

STL5:55 pmLambert-St Louis

1h 30m

DTW8:25 pmDetroit Metropolitan Wayne County

Oct 12

DTW7:45 amDetroit Metropolitan Wayne County

1h 40m

STL8:25 amLambert-St Louis

$148

Find similar

Southwest

Sep 27

STL7:15 amLambert-St Louis

4h 20m

1 stop

DTW12:35 pmDetroit Metropolitan Wayne County

Sep 28

DTW8:55 pmDetroit Metropolitan Wayne County

1h 35m

STL9:30 pmLambert-St Louis

$158

Find similar

Southwest

Oct 3

STL8:10 pmLambert-St Louis

1h 30m

DTW10:40 pmDetroit Metropolitan Wayne County

Oct 6

DTW8:25 amDetroit Metropolitan Wayne County

1h 40m

STL9:05 amLambert-St Louis

$159

Find similar

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 July. Flight prices, which tend to average around $177, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in July, then April is your next best option. Flight prices from St. Louis to Detroit during April average around $268.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $416. 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 $849.

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 $1,003 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 $294 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 July 2025, prices for St. Louis to Detroit flights are approximately 52% cheaper 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	$28
Fastest flight time	1h 29m
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 $28. The best round-trip flight deal from St. Louis to Detroit found on momondo in the last 72 hours is $58.

The fastest flight from St. Louis to Detroit takes 1h 29m

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 29m 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 July 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 (21.39% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (19.55%), Boeing 737 MAX 8 (11.57%), and Airbus A320neo (9.26%).
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 (67% of total bookings). The next most popular airlines are Southwest (22%) and Spirit Airlines (11%).

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 $38	Free Cancellation	Rating 6.3 8,046 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $119	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
Delta	PriceFrom $149	Free Cancellation	Rating 8.0 7,956 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 $305. 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 $149 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $310. Delta operates 22 flights to Detroit from St. Louis in an average week. Users have rated it 8.0/10 across 7,956 reviews.

Port Huron

Roseville

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.