Detroit

$82+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Jul 20 — Jul 271
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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 Saturday and return on a Saturday

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 June 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Sat 7/254:57 pm
STL
-
DTW
1 stop6h 43m
Frontier
Thu 7/306:10 am
DTW
-
STL
1 stop12h 27m
Frontier
Deal found 6/18$167
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/206:33 pm
STL
-
DTW
1 stop5h 09m
Frontier
Sun 8/236:45 am
DTW
-
STL
1 stop11h 45m
Frontier
Deal found 6/17$168
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/244:57 pm
STL
-
DTW
1 stop19h 47m
Frontier
Mon 7/275:35 pm
DTW
-
STL
1 stop25h 02m
Frontier
Deal found 6/18$169
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:57 pm
STL
-
DTW
1 stop6h 43m
Frontier
Fri 7/245:35 pm
DTW
-
STL
1 stop16h 22m
Frontier
Deal found 6/19$170
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:57 pm
STL
-
DTW
1 stop19h 36m
Frontier
Wed 8/55:13 pm
DTW
-
STL
1 stop25h 24m
Frontier
Deal found 6/19$171
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sun 8/236:17 pm
STL
-
DTW
1 stop18h 22m
Frontier
Sun 9/66:00 am
DTW
-
STL
1 stop12h 22m
Frontier
Deal found 6/17$175
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sun 7/126:34 pm
STL
-
DTW
1 stop21h 06m
Frontier
Tue 7/142:56 pm
DTW
-
STL
1 stop19h 01m
Frontier
Deal found 6/16$182
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/104:57 pm
STL
-
DTW
1 stop6h 43m
Frontier
Mon 7/135:35 pm
DTW
-
STL
1 stop25h 02m
Frontier
Deal found 6/14$187
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sat 7/114:57 pm
STL
-
DTW
1 stop6h 43m
Frontier
Wed 7/155:13 pm
DTW
-
STL
1 stop25h 24m
Frontier
Deal found 6/16$196
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/174:57 pm
STL
-
DTW
1 stop6h 43m
Frontier
Sun 7/196:10 am
DTW
-
STL
1 stop12h 27m
Frontier
Deal found 6/14$199

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 June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$167
(Kiwi.com)

One-way from

$82
(Trip.com)

Popular in

February

Cheapest in

August

Average price

$285

Good round-trip deal

$358 or less

Good one-way deal

$222 or less
Provider with most accurate pricing for Lambert-St Louis-Detroit Metropolitan Wayne County flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Detroit Metropolitan Wayne County flights.
From Lambert-St Louis to Detroit Metropolitan Wayne County
One-way flight from Lambert-St Louis to Detroit Metropolitan Wayne County
Highest demand for flights based on searches. 19% potential increase in price ($79 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in June 2026
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.

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 June 20, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 7/11

6:30 am-9:04 am

Nonstop1h 34m

Detroit Metropolitan Wayne County

Wed 7/15

12:28 pm-1:05 pm

Nonstop1h 37m

$209

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 7/11

10:15 am-12:45 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Wed 7/15

7:50 pm-10:30 pm

1 stop3h 40m

$219

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 7/18

3:45 pm-11:50 pm

2 stops7h 05m

Detroit Metropolitan Wayne County

Sat 7/25

5:30 am-10:40 am

1 stop6h 10m

$234

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 7/8

3:25 pm-5:55 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 7/13

5:25 am-1:20 pm

1 stop8h 55m

$295

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 7/10

7:55 pm-10:30 pm

Nonstop1h 35m

Detroit Metropolitan Wayne County

Tue 7/14

5:35 am-11:30 am

1 stop6h 55m

$295

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 9/3

10:33 am-1:05 pm

Nonstop1h 32m

Detroit Metropolitan Wayne County

Tue 9/8

7:20 am-12:32 pm

1 stop6h 12m

$319
Quickest round-trip

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 7/3

7:55 pm-10:25 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Wed 7/8

7:05 am-7:40 am

Nonstop1h 35m

$327

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 9/3

4:15 pm-10:15 pm

1 stop5h 00m

Detroit Metropolitan Wayne County

Fri 9/4

6:55 am-7:45 am

Nonstop1h 50m

$332
Cheapest one-way

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 7/22

7:40 pm-10:15 pm

Nonstop1h 35m

$105
Quickest one-way

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sun 9/6

5:50 pm-8:20 pm

Nonstop1h 30m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 17 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice 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 FlightHub the most. FlightHub 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?

The best time to book flights from St. Louis to Detroit Metropolitan Wayne County Airport is 70 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 $119). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in February is currently the most expensive (average of $420). 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 June 20, 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 68% 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 June 13, 2026.

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

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

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.

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.

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 June 20, 2026.
See what other customers who have flown with Southwest,Delta, andFrontier 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.

Entertainment

7.5

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 16 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?

    Delta and Southwest can get you from St. Louis to Detroit Metropolitan Wayne County Airport in just under 1h 30m. Your travel time will be generally consistent. There are 439 mi between St. Louis and Detroit Metropolitan Wayne County Airport. All flights are typically nonstop.

  • 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 Delta. Our recent data shows that you can find tickets from as low as $69 on this airline. Additional options worth looking into are Frontier and Southwest, starting at $80 and $119 round-trip. These flights start at 78% 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 Delta, which is currently one of the cheapest options available, starting at $75. Southwest flights start at $77 while deals on Frontier start at $89 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 SkyWest Airlines (97%), Korean Air (93%) or Virgin Atlantic (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 $457, our data indicates the cheapest price to be $168. The most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County), is priced around $209.

  • 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 $119). Flying from St. Louis to Detroit Metropolitan Wayne County Airport in February is currently the most expensive (average of $420). 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
Dearborn
Troy
Sterling Heights
Southfield
Warren
Auburn Hills
Pontiac
Southgate
Livonia
Allen Park
Romulus
Rochester Hills
Roseville
Monroe
Utica
Ypsilanti
Plymouth
Fremont
Port Huron
Madison Heights

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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 June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$69Average$326FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$80Average$250FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$119Average$308FlexibilityNo cancel feeOn-time63%

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