Cheap flights from St. Louis to Detroit from $72

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Detroit departing on 11/12. 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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Multiple Airlines Logo
12:04 pm - 7:52 pmSTL-DTW
6h 48m1 stop
Multiple Airlines Logo
5:20 pm - 10:14 amDTW-STL
17h 54m1 stop
$162Multiple Airlines
Find Deal
jue., dic. 4 - vie., dic. 5
Multiple Airlines Logo
11:07 am - 5:12 pmSTL-DTW
5h 05m1 stop
Multiple Airlines Logo
5:14 pm - 9:07 amDTW-STL
16h 53m1 stop
$169Multiple Airlines
Find Deal
jue., nov. 6 - lun., nov. 10
Multiple Airlines Logo
11:07 am - 5:12 pmSTL-DTW
5h 05m1 stop
Multiple Airlines Logo
9:39 pm - 9:07 amDTW-STL
36h 28m2 stops
$174Multiple Airlines
Find Deal
jue., nov. 6 - lun., nov. 10
American Airlines Logo
6:00 am - 4:00 pmSTL-DTW
9h 00m1 stop
American Airlines Logo
6:35 am - 4:19 pmDTW-STL
10h 44m1 stop
$177American Airlines
Find Deal
jue., nov. 27 - jue., dic. 4
American Airlines Logo
8:38 am - 6:15 pmSTL-DTW
8h 37m1 stop
American Airlines Logo
2:11 pm - 8:24 pmDTW-STL
7h 13m1 stop
$183American Airlines
Find Deal
lun., dic. 8 - mié., dic. 10
Delta Logo
10:45 am - 1:15 pmSTL-DTW
1h 30mnonstop
Delta Logo
7:55 pm - 8:39 pmDTW-STL
1h 44mnonstop
$255Delta
Find Deal
mar., mar. 3 - mié., mar. 4
Southwest Logo
2:30 pm - 12:05 amSTL-DTW
8h 35m2 stops
Southwest Logo
9:20 pm - 10:00 pmDTW-STL
1h 40mnonstop
$270Southwest
Find Deal
jue., dic. 18 - lun., dic. 22
Southwest Logo
8:40 pm - 11:10 pmSTL-DTW
1h 30mnonstop
Southwest Logo
3:45 pm - 10:00 pmDTW-STL
7h 15m1 stop
$278Southwest
Find Deal
sáb., nov. 22 - mar., dic. 2
Delta Logo
6:45 am - 9:22 amSTL-DTW
1h 37mnonstop
Delta Logo
7:55 pm - 8:39 pmDTW-STL
1h 44mnonstop
$287Delta
Find Deal
vie., ene. 16 - lun., ene. 19
Spirit Airlines Logo
10:57 am - 8:45 amSTL-DTW
20h 48m2 stops
Spirit Airlines Logo
7:00 am - 5:16 pmDTW-STL
11h 16m2 stops
$305Spirit Airlines
Find Deal
jue., oct. 30 - dom., nov. 2

Delta flights from St. Louis to Detroit

Our best Delta deals on St. Louis to Detroit flight tickets
Delta
Mar 3
STL10:45 amLambert-St Louis
1h 30m
DTW1:15 pmDetroit Metropolitan Wayne County
Mar 4
DTW7:55 pmDetroit Metropolitan Wayne County
1h 44m
STL8:39 pmLambert-St Louis
Delta
Jan 16
STL6:45 amLambert-St Louis
1h 37m
DTW9:22 amDetroit Metropolitan Wayne County
Jan 19
DTW7:55 pmDetroit Metropolitan Wayne County
1h 44m
STL8:39 pmLambert-St Louis
Delta
Jan 16
STL5:30 pmLambert-St Louis
4h 10m
1 stop
DTW10:40 pmDetroit Metropolitan Wayne County
Jan 19
DTW7:55 pmDetroit Metropolitan Wayne County
1h 44m
STL8:39 pmLambert-St Louis

Southwest flights from St. Louis to Detroit

Our best Southwest deals on St. Louis to Detroit flight tickets
Southwest
Dec 18
STL2:30 pmLambert-St Louis
8h 35m
2 stops
DTW12:05 amDetroit Metropolitan Wayne County
Dec 22
DTW9:20 pmDetroit Metropolitan Wayne County
1h 40m
STL10:00 pmLambert-St Louis
Southwest
Nov 22
STL8:40 pmLambert-St Louis
1h 30m
DTW11:10 pmDetroit Metropolitan Wayne County
Dec 2
DTW3:45 pmDetroit Metropolitan Wayne County
7h 15m
1 stop
STL10:00 pmLambert-St Louis
Southwest
Dec 18
STL2:30 pmLambert-St Louis
8h 35m
2 stops
DTW12:05 amDetroit Metropolitan Wayne County
Dec 22
DTW9:15 pmDetroit Metropolitan Wayne County
3h 50m
1 stop
STL12:05 amLambert-St Louis

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Detroit that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated octubre 16, 2025.
Use the filters below to find and compare flights from St. Louis to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

jue. 12/4

12:04 pm-7:52 pm

1 stop6h 48m

Detroit Metropolitan Wayne County

vie. 12/5

5:20 pm-10:14 am

1 stop17h 54m

$162

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

jue. 11/6

11:07 am-5:12 pm

1 stop5h 05m

Detroit Metropolitan Wayne County

lun. 11/10

5:14 pm-9:07 am

1 stop16h 53m

$169

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

jue. 11/6

11:07 am-5:12 pm

1 stop5h 05m

Detroit Metropolitan Wayne County

lun. 11/10

9:39 pm-9:07 am

2 stops36h 28m

$174

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

jue. 11/27

6:00 am-4:00 pm

1 stop9h 00m

Detroit Metropolitan Wayne County

jue. 12/4

6:35 am-4:19 pm

1 stop10h 44m

$177

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

lun. 12/8

8:38 am-6:15 pm

1 stop8h 37m

Detroit Metropolitan Wayne County

mié. 12/10

2:11 pm-8:24 pm

1 stop7h 13m

$183

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

mar. 3/3

10:45 am-1:15 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

mié. 3/4

7:55 pm-8:39 pm

Nonstop1h 44m

$255

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

jue. 12/18

2:30 pm-12:05 am

2 stops8h 35m

Detroit Metropolitan Wayne County

lun. 12/22

9:20 pm-10:00 pm

Nonstop1h 40m

$270

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

sáb. 11/22

8:40 pm-11:10 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

mar. 12/2

3:45 pm-10:00 pm

1 stop7h 15m

$278

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

vie. 1/16

6:45 am-9:22 am

Nonstop1h 37m

Detroit Metropolitan Wayne County

lun. 1/19

7:55 pm-8:39 pm

Nonstop1h 44m

$287

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

jue. 10/30

10:57 am-8:45 am

2 stops20h 48m

Detroit Metropolitan Wayne County

dom. 11/2

7:00 am-5:16 pm

2 stops11h 16m

$305

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Detroit from

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

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 $348. 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 $790.

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 $203. 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 $901 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 $270 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?

You could potentially save up to 15% on your flight if you consider stops on a St. Louis to Detroit flight.

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

As of October 2025, prices for St. Louis to Detroit flights are approximately 167% 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

$209

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 $209. The best round-trip flight deal from St. Louis to Detroit found on momondo in the last 72 hours is $327.
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)
  • 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?

  • 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?

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

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 AirlinesPriceFrom $41Free CancellationRating
6.3
8,099 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $119Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
DeltaPriceFrom $121Free CancellationRating
7.9
7,980 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 10 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 $296. 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 $121 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $301. Delta operates 25 flights to Detroit from St. Louis in an average week. Users have rated it 7.9/10 across 7,980 reviews.

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
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.

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1 adult
sáb. 11/15
sáb. 11/22

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