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Cheap flights from St. Louis to Detroit from $28

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 9/4. 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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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
2:30 pm - 5:00 pmSTL-DTW
1h 30mnonstop
Spirit Airlines Logo
10:12 am - 10:50 amDTW-STL
1h 38mnonstop
$58Spirit Airlines
Find Deal
Sun, Aug 24 - Sun, Sep 28
Spirit Airlines Logo
12:05 pm - 2:35 pmSTL-DTW
1h 30mnonstop
Spirit Airlines Logo
10:12 am - 10:50 amDTW-STL
1h 38mnonstop
$60Spirit Airlines
Find Deal
Sun, Sep 14 - Thu, Sep 25
Logo
12:05 pm - 2:35 pmSTL-DTW
1h 30mnonstop
Logo
8:00 am - 9:06 amDTW-STL
26h 06m1 stop
$138
Find Deal
Thu, Sep 4 - Sat, Sep 6
Delta Logo
6:00 pm - 8:33 pmSTL-DTW
1h 33mnonstop
Delta Logo
8:55 am - 9:32 amDTW-STL
1h 37mnonstop
$139Delta
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Thu, Aug 21 - Sun, Aug 24
Delta Logo
6:40 am - 9:13 amSTL-DTW
1h 33mnonstop
Delta Logo
9:20 pm - 9:55 pmDTW-STL
1h 35mnonstop
$148Delta
Find Deal
Thu, Aug 28 - Sat, Aug 30
Logo
5:40 pm - 12:18 pmSTL-DTW
17h 38m1 stop
Logo
1:00 pm - 1:32 pmDTW-STL
1h 32mnonstop
$152
Find Deal
Tue, Aug 12 - Thu, Aug 14
Southwest Logo
7:45 am - 10:15 amSTL-DTW
1h 30mnonstop
Southwest Logo
11:00 am - 7:00 pmDTW-STL
9h 00m1 stop
$167Southwest
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
7:23 am - 2:20 pmSTL-DTW
5h 57m1 stop
American Airlines Logo
5:43 am - 9:26 amDTW-STL
4h 43m1 stop
$187American Airlines
Find Deal
Sun, Sep 7 - Sun, Sep 14
Southwest Logo
9:55 am - 12:25 pmSTL-DTW
1h 30mnonstop
Southwest Logo
7:20 pm - 10:05 pmDTW-STL
3h 45m1 stop
$188Southwest
Find Deal
Sun, Aug 31 - Tue, Sep 2
American Airlines Logo
7:23 am - 12:32 pmSTL-DTW
4h 09m1 stop
American Airlines Logo
9:42 am - 12:54 pmDTW-STL
4h 12m1 stop
$194American Airlines
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Thu, Aug 14 - Tue, Aug 19

Spirit Airlines flights from St. Louis to Detroit Metropolitan Wayne County Airport

Our best Spirit Airlines deals on St. Louis to Detroit Metropolitan Wayne County Airport flight tickets
Spirit Airlines
Aug 24
STL2:30 pmLambert-St Louis
1h 30m
DTW5:00 pmDetroit Metropolitan Wayne County
Sep 28
DTW10:12 amDetroit Metropolitan Wayne County
1h 38m
STL10:50 amLambert-St Louis
$58
Find similar
Spirit Airlines
Sep 14
STL12:05 pmLambert-St Louis
1h 30m
DTW2:35 pmDetroit Metropolitan Wayne County
Sep 25
DTW10:12 amDetroit Metropolitan Wayne County
1h 38m
STL10:50 amLambert-St Louis
$60
Find similar
Spirit Airlines
Aug 28
STL2:30 pmLambert-St Louis
1h 30m
DTW5:00 pmDetroit Metropolitan Wayne County
Sep 4
DTW10:12 amDetroit Metropolitan Wayne County
1h 38m
STL10:50 amLambert-St Louis
$63
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Frontier flights from St. Louis to Detroit Metropolitan Wayne County Airport

Our best Frontier deals on St. Louis to Detroit Metropolitan Wayne County Airport flight tickets
Frontier
Aug 6
STL7:29 pmLambert-St Louis
14h 30m
1 stop
DTW10:59 amDetroit Metropolitan Wayne County
Aug 10
DTW9:36 amDetroit Metropolitan Wayne County
4h 58m
1 stop
STL1:34 pmLambert-St Louis
$215
Find similar
Frontier
Aug 7
STL5:40 pmLambert-St Louis
14h 07m
1 stop
DTW8:47 amDetroit Metropolitan Wayne County
Aug 10
DTW9:36 amDetroit Metropolitan Wayne County
4h 58m
1 stop
STL1:34 pmLambert-St Louis
$225
Find similar
Frontier
Aug 5
STL5:40 pmLambert-St Louis
17h 38m
1 stop
DTW12:18 pmDetroit Metropolitan Wayne County
Aug 10
DTW9:36 amDetroit Metropolitan Wayne County
4h 58m
1 stop
STL1:34 pmLambert-St Louis
$255
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Detroit Metropolitan Wayne County Airport 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 July 30, 2025.
Use the filters below to find and compare flights from St. Louis to Detroit Metropolitan Wayne County Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 8/24

2:30 pm-5:00 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sun 9/28

10:12 am-10:50 am

Nonstop1h 38m

$58

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 9/14

12:05 pm-2:35 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Thu 9/25

10:12 am-10:50 am

Nonstop1h 38m

$60

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 9/4

12:05 pm-2:35 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sat 9/6

8:00 am-9:06 am

1 stop26h 06m

$138

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 8/21

6:00 pm-8:33 pm

Nonstop1h 33m

Detroit Metropolitan Wayne County

Sun 8/24

8:55 am-9:32 am

Nonstop1h 37m

$139

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 8/28

6:40 am-9:13 am

Nonstop1h 33m

Detroit Metropolitan Wayne County

Sat 8/30

9:20 pm-9:55 pm

Nonstop1h 35m

$148

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 8/12

5:40 pm-12:18 pm

1 stop17h 38m

Detroit Metropolitan Wayne County

Thu 8/14

1:00 pm-1:32 pm

Nonstop1h 32m

$152

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 10/2

7:45 am-10:15 am

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 10/6

11:00 am-7:00 pm

1 stop9h 00m

$167

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 9/7

7:23 am-2:20 pm

1 stop5h 57m

Detroit Metropolitan Wayne County

Sun 9/14

5:43 am-9:26 am

1 stop4h 43m

$187

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 8/31

9:55 am-12:25 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Tue 9/2

7:20 pm-10:05 pm

1 stop3h 45m

$188

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 8/14

7:23 am-12:32 pm

1 stop4h 09m

Detroit Metropolitan Wayne County

Tue 8/19

9:42 am-12:54 pm

1 stop4h 12m

$194

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 Metropolitan Wayne County Airport

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 Detroit Metropolitan Wayne County Airport?

The cheapest month to fly to Detroit Metropolitan Wayne County Airport from St. Louis is in July. Flight prices, which tend to average around $160, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of July, then book flights to Detroit Metropolitan Wayne County Airport from St. Louis during June instead. Flights to Detroit Metropolitan Wayne County Airport in June, while not as cheap as those in July, still average around $174.

What is the cheapest day to depart on your flight to Detroit Metropolitan Wayne County Airport?

The cheapest day to depart from St. Louis to Detroit Metropolitan Wayne County Airport is on a Thursday when prices can be found for as low as $394. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Detroit Metropolitan Wayne County Airport on Monday is $832.

What is the cheapest time of day to depart on your flight to Detroit Metropolitan Wayne County Airport?

Flying to Detroit Metropolitan Wayne County Airport from St. Louis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $235 when looking at flights departing in the evening. Flights to Detroit Metropolitan Wayne County Airport are more costly at noon, with an average ticket price of $982. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Detroit Metropolitan Wayne County Airport?

You are more likely to see cheaper flights to Detroit Metropolitan Wayne County Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport from St. Louis for as low as $140 on momondo.

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

There are 4 cabin classes available to choose from on Lambert-St Louis to Detroit Metropolitan Wayne County 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 Metropolitan Wayne County Airport flights?

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

How have St. Louis to Detroit Metropolitan Wayne County Airport flight prices changed over time?

As of July 2025, prices for St. Louis to Detroit Metropolitan Wayne County Airport flights are approximately 66% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Detroit Metropolitan Wayne County Airport

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

Cheap St. Louis to Detroit Metropolitan Wayne County Airport (STL to DTW) flight deals and tips

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

Best Price Found

$28

Fastest flight time

1h 29m

Direct flights

Every day
The best one-way flight to Detroit Metropolitan Wayne County Airport from St. Louis in the past 72 hours is $28. The best round-trip flight deal from St. Louis to Detroit Metropolitan Wayne County Airport found on momondo in the last 72 hours is $58.
The fastest flight from St. Louis to Detroit Metropolitan Wayne County Airport takes 1h 29m
Direct flights go from St. Louis to Detroit Metropolitan Wayne County Airport every day.
Search flight deals

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

    Lambert-St Louis and Detroit Metropolitan Wayne County are 436.9 mi apart from one another. Flights usually cover this in 1h 29m, depending on flying conditions and air traffic around both airports.

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

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

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

  • How old do you have to be to fly from Lambert-St Louis Airport to Detroit Metropolitan Wayne County 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 Lambert-St Louis Airport to Detroit Metropolitan Wayne County Airport.

  • What documentation or ID do you need to fly to Detroit Metropolitan Wayne County Airport?

    The necessary travel and health documents for your Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport?

  • What is the most popular airline from St. Louis to Detroit Metropolitan Wayne County Airport?

Best airlines flying from St. Louis to Detroit Metropolitan Wayne County Airport

Compare and see reviews for airlines that fly from St. Louis to Detroit Metropolitan Wayne County Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $38Free CancellationRating
6.3
8,048 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $119Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
DeltaPriceFrom $140Free CancellationRating
8.0
7,980 reviews
Search Delta flights

  • Southwest Flights From St. Louis to Detroit Metropolitan Wayne County Airport

    Southwest flies from St. Louis to Detroit Metropolitan Wayne County Airport around 10 times per week, with 4,241 momondo users rating the airline 8.0/10. The cheapest Southwest deal from St. Louis to Detroit Metropolitan Wayne County Airport in the last 72 hours was $119 (round-trip), much lower than the average airfare cost of $304 for Southwest flights on this route.

  • Delta Flights From St. Louis to Detroit Metropolitan Wayne County Airport

    Delta (8.0/10 from 7,980 reviews) operates around 22 flights from St. Louis to Detroit Metropolitan Wayne County Airport in any given week. The average Delta airfare for this route is around $307, with deals from around $140 rare but found on momondo. Referenced prices are for round-trip St. Louis to Detroit Metropolitan Wayne County Airport flight searches in the last 72 hours.

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
Put-in-Bay
Auburn Hills
Southfield
Warren
Monroe
Troy
Livonia
Novi
Dearborn
Romulus
Port Huron
Port Clinton
Sterling Heights
Roseville
Brighton
Madison Heights
Pontiac
Ypsilanti
Belleville
Farmington Hills

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?

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

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

Once all potential St. Louis to Detroit flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Detroit from St. Louis. 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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