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Cheap flights from Detroit Metropolitan Wayne County Airport to St. Louis from C$ 179

DTW — STL
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to St. Louis

Thu 12/118:35 p.m. -
1 stop23h 39m
Sun 15/1112:14 p.m. -
1 stop8h 29m
Deal found 20/10C$ 350
Thu 12/116:50 a.m. -
Nonstop1h 55m
Sun 15/1110:20 a.m. -
Nonstop1h 30m
Deal found 20/10C$ 357
Thu 17/126:50 a.m. -
Nonstop1h 55m
Tue 29/127:55 p.m. -
Nonstop1h 35m
Deal found 21/10C$ 360
Tue 1/128:29 a.m. -
Nonstop1h 50m
Sat 12/126:32 a.m. -
Nonstop1h 38m
Deal found 21/10C$ 370
Thu 3/1211:56 a.m. -
1 stop24h 01m
Sun 6/126:20 p.m. -
1 stop15h 37m
Deal found 21/10C$ 375
Tue 10/115:30 a.m. -
2 stops8h 10m
Wed 11/116:25 p.m. -
Nonstop1h 35m
Deal found 20/10C$ 378
Thu 12/118:40 a.m. -
Nonstop1h 45m
Tue 17/112:21 p.m. -
Nonstop1h 34m
Deal found 21/10C$ 380

Find flight deals from Detroit to St. Louis

Round-trip from

C$ 350

One-way from

C$ 179

Popular in

April

Cheapest in

September

Average price

C$ 597

Good round-trip deal

C$ 346 or less
Frontier
  • Frontier
  • 12/11-15/11
  • 2 total stops
  • 32h 08m total
  • Detroit to St. Louis
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Southwest
  • Southwest
  • 11/11-31/12
  • Nonstop
  • 1h 50m total
  • Detroit to St. Louis
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Highest demand for flights based on searches. 5% potential increase in price (C$ 40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Lambert-St Louis.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Mon 16/11

6:20 p.m.-7:10 p.m.

Nonstop1h 50m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 179

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Fri 13/11

8:15 p.m.-9:00 p.m.

Nonstop1h 45m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 179

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Thu 12/11

8:15 p.m.-9:00 p.m.

Nonstop1h 45m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 179

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Thu 17/12

1:30 p.m.-9:35 p.m.

2 stops9h 05m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 200

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Sat 12/12

6:10 a.m.-2:10 p.m.

2 stops9h 00m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 200

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Thu 19/11

6:00 a.m.-1:45 p.m.

2 stops8h 45m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 200

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Wed 18/11

6:20 p.m.-7:10 p.m.

Nonstop1h 50m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 209

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Thu 7/1

8:50 a.m.-9:36 a.m.

Nonstop1h 46m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 211

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Fri 20/11

4:30 p.m.-5:14 p.m.

Nonstop1h 44m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 274
Quickest round-trip

DetroitSt. Louis

DTW Detroit Metropolitan Wayne County - STL Lambert-St Louis

DTWSTL

Detroit Metropolitan Wayne County

Fri 22/1

7:55 p.m.-8:37 p.m.

Nonstop1h 42m

Lambert-St Louis

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 274

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/10

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Detroit to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Detroit with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to St. Louis

How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to St. Louis?

To ensure you get the cheapest price possible for a flight from Detroit Metropolitan Wayne County Airport to St. Louis, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to St. Louis (average of C$ 419). Flying from Detroit Metropolitan Wayne County Airport to St. Louis in April is currently the most expensive (average of C$ 623). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DTW to STL?

Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from Detroit Metropolitan Wayne County Airport to St. Louis by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport to St. Louis?

Airfare is below average for this route at the moment.

Detroit Metropolitan Wayne County Airport to St. Louis flights typically cost between C$ 454 and C$ 756 in November.
The cheapest round-trip price found within the last 5 days was C$ 350 on Frontier (12 Nov-15 Nov).

Related info for your journey

  • How long is the flight from Detroit Metropolitan Wayne County Airport to St. Louis?

    For as low as C$ 357, Southwest can have you in St. Louis from Detroit Metropolitan Wayne County Airport in 1h 50m. Airlines will cover a distance of 707 km. Generally, flights for this route are direct.

  • What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to St. Louis?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Detroit Metropolitan Wayne County Airport to St. Louis on time: Sun Country Air (100%), Korean Air (89%), WestJet (88%).

  • Can I find deals for flights from Detroit to St. Louis that include hotel bookings?

    Yes. In addition to deals on Detroit to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to St. Louis.

  • Can I find deals for business class flights from Detroit to St. Louis?

    Yes. Cheapflights offers flight deals from Detroit to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to St. Louis (average of C$ 419). Flying from Detroit Metropolitan Wayne County Airport to St. Louis in April is currently the most expensive (average of C$ 623). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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