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$64+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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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 71 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 January 22, 2026.

This Frontier deal was found by Cheapflights users on 1/20. 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.
Wed 2/188:17 pm
STL
-
DTW
1 stop10h 50m
Frontier
Sat 2/213:17 pm
DTW
-
STL
1 stop9h 42m
Frontier
Deal found 1/20$128
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/278:22 pm
STL
-
DTW
1 stop11h 10m
Frontier
Sun 3/15:06 pm
DTW
-
STL
1 stop14h 45m
Frontier
Deal found 1/21$130
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Wed 2/258:17 pm
STL
-
DTW
1 stop10h 50m
Multiple Airlines
Thu 2/262:35 pm
DTW
-
STL
1 stop17h 16m
Multiple Airlines
Deal found 1/21$138
This Frontier deal was found by Cheapflights users on 1/19. 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.
Sat 2/142:51 pm
STL
-
DTW
1 stop8h 04m
Frontier
Wed 2/182:04 pm
DTW
-
STL
1 stop9h 23m
Frontier
Deal found 1/19$144
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/208:20 pm
STL
-
DTW
1 stop11h 12m
Multiple Airlines
Sun 2/222:35 pm
DTW
-
STL
1 stop17h 16m
Multiple Airlines
Deal found 1/20$150
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Wed 2/258:17 pm
STL
-
DTW
1 stop10h 50m
Multiple Airlines
Sat 2/2810:59 pm
DTW
-
STL
2 stops32h 52m
Multiple Airlines
Deal found 1/21$151
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/711:00 am
STL
-
DTW
1 stop23h 22m
Frontier
Wed 2/118:30 am
DTW
-
STL
1 stop6h 28m
Frontier
Deal found 1/21$155
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Tue 2/173:49 pm
STL
-
DTW
1 stop16h 08m
Frontier
Thu 2/194:27 pm
DTW
-
STL
1 stop15h 24m
Frontier
Deal found 1/21$159
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/208:20 pm
STL
-
DTW
1 stop11h 12m
Multiple Airlines
Mon 2/2310:59 pm
DTW
-
STL
2 stops32h 52m
Multiple Airlines
Deal found 1/20$161
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Tue 2/173:49 pm
STL
-
DTW
2 stops18h 18m
Multiple Airlines
Thu 2/194:27 pm
DTW
-
STL
1 stop15h 24m
Multiple Airlines
Deal found 1/21$162
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 2/278:22 pm
STL
-
DTW
1 stop11h 10m
Frontier
Mon 3/26:00 am
DTW
-
STL
1 stop8h 09m
Frontier
Deal found 1/21$163

Find 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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$128
(Frontier)

One-way from

$64
(Priceline)

Popular in

November

Cheapest in

August

Average price

$378

Good round-trip deal

$420 or less

Good one-way deal

$233 or less
Provider with most accurate pricing for Lambert-St Louis-Detroit Metropolitan Wayne County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Detroit Metropolitan Wayne County flights.
Search Deals
From Lambert-St Louis to Detroit Metropolitan Wayne County
Search Deals
One-way flight from Lambert-St Louis to Detroit Metropolitan Wayne County
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Detroit Metropolitan Wayne County.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Detroit Metropolitan Wayne County.
Search Deals

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 January 22, 2026.
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

Sat 2/14

2:51 pm-11:55 pm

1 stop8h 04m

Detroit Metropolitan Wayne County

Wed 2/18

8:30 am-3:53 pm

1 stop8h 23m

$144

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 2/6

8:22 pm-10:20 am

1 stop12h 58m

Detroit Metropolitan Wayne County

Sun 2/8

11:00 am-6:51 am

1 stop20h 51m

$177

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 4/23

7:45 am-3:22 pm

1 stop6h 37m

Detroit Metropolitan Wayne County

Sat 4/25

7:18 am-10:45 am

1 stop4h 27m

$191

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 2/27

8:22 pm-8:32 am

1 stop11h 10m

Detroit Metropolitan Wayne County

Mon 3/2

6:00 am-1:09 pm

1 stop8h 09m

$196

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 2/26

9:55 am-5:25 pm

1 stop6h 30m

Detroit Metropolitan Wayne County

Sat 2/28

6:10 pm-9:05 pm

1 stop3h 55m

$204

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 2/18

5:55 pm-8:25 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sat 2/21

1:25 pm-2:05 pm

Nonstop1h 40m

$206

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 2/25

5:55 pm-8:25 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Thu 2/26

4:10 pm-4:50 pm

Nonstop1h 40m

$206

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 3/9

7:40 pm-10:10 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Thu 3/12

7:00 am-7:45 am

Nonstop1h 45m

$215

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 2/14

4:45 pm-9:45 pm

1 stop4h 00m

Detroit Metropolitan Wayne County

Wed 2/18

5:50 am-6:50 am

Nonstop2h 00m

$216

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 5/12

7:45 am-3:24 pm

1 stop6h 39m

$82

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 19 results
1
2

Compare providers for flights from St. Louis to Detroit

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Detroit in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Detroit Metropolitan Wayne County Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Detroit Metropolitan Wayne County Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Detroit Metropolitan Wayne County Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Detroit Metropolitan Wayne County Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Detroit Metropolitan Wayne County Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 16, 2026.

The best time to book flights from St. Louis to Detroit Metropolitan Wayne County Airport is 71 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, June is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $48). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in February is currently the most expensive (average of $272). 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 January 22, 2026.

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 69% 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 January 17, 2026.

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.

The best insider tips for St. Louis to Detroit Metropolitan Wayne County Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Detroit Metropolitan Wayne County Airport trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on DTW

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 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

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 January 22, 2026.
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.
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,087 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,365 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 11 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 and United Airlines can get you from St. Louis to Detroit Metropolitan Wayne County Airport in just under 6h 37m. Your travel time can differ by up to 1h 27m. There are 439 mi between St. Louis and Detroit Metropolitan Wayne County Airport. This flight may include one or multiple stops.

  • 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 $38 on this airline. Additional options worth looking into are Delta and Southwest, starting at $75 and $119 round-trip. These flights start at 86% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Detroit Metropolitan Wayne County Airport one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $30. Southwest flights start at $60 while deals on Delta start at $75 one-way.

  • 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 Aeromexico (100%), Endeavor Airlines (100%) or Korean Air (85%) 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 $667, our data indicates the cheapest price to be $158. The most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County), is priced around $138.

  • 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, June is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $48). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in February is currently the most expensive (average of $272). 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
Southfield
Dearborn
Troy
Warren
Auburn Hills
Allen Park
Clarkston
Utica
Rochester Hills
Roseville
Romulus
Monroe
Wixom
Ypsilanti
Brighton
Livonia
Plymouth
Fremont
Port Huron

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.
Kansas City to Detroit flights
Springfield to Detroit flights
Joplin to Detroit flights

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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$78FlexibilityNo cancel feeOn-time65%
DeltaCheapest$75Average$290FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$119Average$270FlexibilityNo cancel feeOn-time63%

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