Detroit

$71+ Cheap flights from St. Louis to Detroit Metropolitan Wayne County Airport (STL - DTW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Oct 16 — Oct 231
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Cheapflights Tip: The best prices from Lambert-St Louis to Detroit Metropolitan Wayne County are usually found in August or July, booked 89 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from St. Louis to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Detroit (DTW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$153
(Frontier)

One-way from

$71
(Kiwi.com)

Popular in

September

Cheapest in

August

Average price

$388

Good round-trip deal

$269 or less

Good one-way deal

$162 or less
From Lambert-St Louis to Detroit Metropolitan Wayne County
One-way flight from Lambert-St Louis to Detroit Metropolitan Wayne County
High demand for flights, 4% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Lambert-St Louis to Detroit Metropolitan Wayne County.
Price to beat on a one-way flight from Lambert-St Louis to Detroit Metropolitan Wayne County.

Find flight deals from St. Louis to Detroit

Cheapest flights from St. Louis to Detroit
Explore the most affordable flight options available from St. Louis to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:32 pmSTL - DTW
1 stop11h 58mFrontier
Mon 10/61:36 pmDTW - STL
1 stop8h 01mFrontier
Deal found 9/14$153
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:32 amSTL - DTW
1 stop19h 44mMultiple Airlines
Tue 10/147:55 amDTW - STL
1 stop26h 12mMultiple Airlines
Deal found 9/14$180
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 amSTL - DTW
1 stop10h 34mAmerican Airlines
Tue 10/147:00 amDTW - STL
1 stop10h 04mAmerican Airlines
Deal found 9/14$183
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:22 pmSTL - DTW
1 stop23h 05mFrontier
Mon 11/35:14 pmDTW - STL
1 stop16h 53mFrontier
Deal found 9/15$191
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:32 pmSTL - DTW
1 stop11h 58mFrontier
Sun 10/56:10 amDTW - STL
1 stop27h 56mFrontier
Deal found 9/15$196
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/32:12 pmSTL - DTW
2 stops17h 04mMultiple Airlines
Wed 11/59:20 pmDTW - STL
1 stop13h 52mMultiple Airlines
Deal found 9/15$203
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:56 pmSTL - DTW
1 stop14h 04mMultiple Airlines
Sun 11/99:15 pmDTW - STL
1 stop12h 52mMultiple Airlines
Deal found 9/16$206
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:32 amSTL - DTW
1 stop19h 44mMultiple Airlines
Sun 10/126:52 amDTW - STL
1 stop6h 54mMultiple Airlines
Deal found 9/15$214
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:52 pmSTL - DTW
1 stop6h 23mMultiple Airlines
Fri 11/76:00 amDTW - STL
1 stop11h 01mMultiple Airlines
Deal found 9/16$216

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 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

St. Louis

Fly to

Detroit

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 10/16

10:17 am-6:37 pm

1 stop7h 20m

Detroit Metropolitan Wayne County

Fri 10/17

2:56 pm-10:14 pm

1 stop8h 18m

$226

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 10/23

1:41 pm-8:16 am

2 stops17h 35m

Detroit Metropolitan Wayne County

Sun 10/26

6:00 am-9:07 am

1 stop28h 07m

$233

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 11/7

4:56 pm-8:00 am

1 stop14h 04m

Detroit Metropolitan Wayne County

Sun 11/9

6:14 pm-9:40 am

2 stops16h 26m

$237

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 10/4

7:55 pm-9:59 am

2 stops13h 04m

Detroit Metropolitan Wayne County

Sun 10/5

9:05 pm-3:04 pm

1 stop18h 59m

$246

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 10/30

6:22 pm-12:58 pm

2 stops17h 36m

Detroit Metropolitan Wayne County

Mon 11/3

12:43 pm-9:07 am

2 stops21h 24m

$247

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 10/30

8:10 pm-10:40 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 11/3

6:45 pm-7:25 pm

Nonstop1h 40m

$255

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 3/3

5:45 pm-8:23 pm

Nonstop1h 38m

Detroit Metropolitan Wayne County

Wed 3/4

12:30 pm-1:15 pm

Nonstop1h 45m

$255

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 10/16

8:10 pm-10:40 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 10/20

8:05 pm-8:45 pm

Nonstop1h 40m

$255

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 10/8

7:52 pm-11:06 pm

2 stops26h 14m

Detroit Metropolitan Wayne County

Tue 10/14

7:55 am-9:07 am

1 stop26h 12m

$264

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 10/8

10:45 am-1:17 pm

Nonstop1h 32m

Detroit Metropolitan Wayne County

Tue 10/14

7:45 pm-11:07 pm

1 stop4h 22m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
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The best insider tips for St. Louis to Detroit Metropolitan Wayne County Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Detroit Metropolitan Wayne County Airport trip
Airports
STL

Expect security screening at STL to take 5-10 minutes during off-peak times. Check real-time wait times online before heading to the airport.

Read more about STLby Taryn White
DTW

For a quick ride to downtown Detroit, consider the Detroit Air Xpress (DAX). It offers luxury buses with comfy chairs and free Wi-Fi.

Read more about DTWby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on DTW

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

Best time to book a flight from St. Louis to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Detroit. Price data was last updated on September 12, 2025.

The best time to book flights from St. Louis to Detroit Metropolitan Wayne County Airport is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $250). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in March is currently the most expensive (average of $305). 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 STL to DTW?

Find hourly flight availability from St. Louis to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

It’s optimal to fly from St. Louis to Detroit Metropolitan Wayne County Airport in the evening. By choosing this option you can save up to 75% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from St. Louis to Detroit Metropolitan Wayne County Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Detroit. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their St. Louis to Detroit Metropolitan Wayne County Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Detroit. Reviews last updated September 16, 2025.
See what other customers who have flown with Southwest, Delta, and Spirit Airlines from St. Louis to Detroit Metropolitan Wayne County Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from St. Louis to Detroit?

    Detroit Metropolitan Wayne County is the airport most travelers will use when flying to Detroit from Lambert-St Louis. Booking flights from Lambert-St Louis (STL) to Detroit Metropolitan Wayne County (DTW) should be relatively easy as there are 14 daily flights to Detroit from 3 different airlines. 1h 30m is how long a flight from St. Louis to Detroit Metropolitan Wayne County will take if you book a nonstop flight.

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

    Frontier can get you from St. Louis to Detroit Metropolitan Wayne County Airport in just under 7h 20m. Your travel time can differ by up to . There are 439 mi between St. Louis and Detroit Metropolitan Wayne County Airport.

  • What are the cheapest airlines flying from St. Louis to Detroit Metropolitan Wayne County Airport round-trip?

    Our cheapest airline available from St. Louis to Detroit Metropolitan Wayne County Airport is Spirit Airlines. Our recent data shows that you can find tickets from as low as $41 on this airline. Additional options worth looking into are Southwest and Delta, starting at $119 and $122 round-trip. These flights start at 85% lower than the current average price 3 months from now.

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

    No one likes to see their flight delayed. When booking a flight from St. Louis to Detroit Metropolitan Wayne County Airport consider choosing SkyWest Airlines (100%), Korean Air (98%) or WestJet (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from St. Louis to Detroit Metropolitan Wayne County Airport?

    Looking for the cheapest flight from St. Louis to Detroit Metropolitan Wayne County Airport? While on average our users pay $944, our data indicates the cheapest price to be $77. The most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County), is priced around $222.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Detroit 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 St. Louis to Detroit Metropolitan Wayne County Airport?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $250). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in March is currently the most expensive (average of $305). 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

Traveling to a place near Detroit Metropolitan Wayne County Airport?

Book flights to Detroit Metropolitan Wayne County Airport if you plan to visit one of these locations
Sterling Heights
Dearborn
Troy
Warren
Southfield
Novi
Clarkston
Allen Park
Utica
Plymouth
Monroe
Wixom
Brighton
Livonia
Roseville
Fremont
Port Huron
Auburn Hills
Madison Heights
Southgate

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Detroit

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from St. Louis to Detroit

Discover the top 3 airlines that operate flights from St. Louis to Detroit. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$41Average$80FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$119Average$300FlexibilityNo cancel feeOn-time63%
DeltaCheapest$122Average$303FlexibilityNo cancel feeOn-timeN/A

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