HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$30+ Cheap flights from Detroit Metropolitan Wayne County Airport to St. Louis (DTW - STL)

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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — STL
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Lambert-St Louis are usually found in June or May, booked 69 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Detroit to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to St. Louis (STL). 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(American Airlines)

One-way from

$30
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$292

Good round-trip deal

$277 or less

Good one-way deal

$161 or less
Provider with most accurate pricing for Detroit Metropolitan Wayne County-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit Metropolitan Wayne County-Lambert-St Louis flights.
Search Deals
From Detroit Metropolitan Wayne County to Lambert-St Louis
Search Deals
One-way flight from Detroit Metropolitan Wayne County to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Detroit Metropolitan Wayne County to Lambert-St Louis.
Search Deals

Find flight deals from Detroit to St. Louis

Cheapest flights from Detroit to St. Louis
Explore the most affordable flight options available from Detroit to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

This American Airlines deal was found by Cheapflights users on 4/9. 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.
Tue 5/135:30 amDTW - STL
1 stop10h 51mAmerican Airlines
Fri 5/165:00 amSTL - DTW
1 stop3h 52mAmerican Airlines
Deal found 4/9$237
This Southwest deal was found by Cheapflights users on 4/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:15 amDTW - STL
2 stops8h 05mSouthwest
Mon 6/304:40 pmSTL - DTW
2 stops7h 25mSouthwest
Deal found 4/10$238
This Mytrip deal was found by Cheapflights users on 4/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/169:06 pmDTW - STL
3 stops20h 39mMultiple Airlines
Thu 6/194:17 pmSTL - DTW
Nonstop1h 28mMultiple Airlines
Deal found 4/9$239
This Booking.com deal was found by Cheapflights users on 4/9. 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.
Tue 4/229:47 amDTW - STL
1 stop15h 17mFrontier
Thu 4/245:41 pmSTL - DTW
1 stop22h 59mFrontier
Deal found 4/9$240
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:07 pmDTW - STL
1 stop7h 19mDelta
Wed 5/146:45 amSTL - DTW
Nonstop1h 32mDelta
Deal found 4/9$241
This Mytrip deal was found by Cheapflights users on 4/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/142:39 pmDTW - STL
2 stops19h 36mSpirit Airlines
Sat 5/2410:10 amSTL - DTW
1 stop13h 17mSpirit Airlines
Deal found 4/10$253
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:00 amDTW - STL
1 stop6h 03mUnited Airlines
Sat 5/109:40 amSTL - DTW
2 stops8h 18mUnited Airlines
Deal found 4/9$256

Cheapflights Fare Finder

Customize your flight search to find flights from Detroit to St. Louis 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 April 11, 2025.
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

Detroit

Fly to

St. Louis

Route

Depart

Return

Price

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Tue 5/13

5:30 am-3:21 pm

1 stop10h 51m

Lambert-St Louis

Fri 5/16

5:00 am-9:52 am

1 stop3h 52m

$237

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Mon 6/23

5:15 am-12:20 pm

2 stops8h 05m

Lambert-St Louis

Mon 6/30

4:40 pm-1:05 am

2 stops7h 25m

$238

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Mon 6/16

9:06 pm-4:45 pm

3 stops20h 39m

Lambert-St Louis

Thu 6/19

4:17 pm-6:45 pm

Nonstop1h 28m

$239

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Tue 4/22

9:47 am-12:04 am

1 stop15h 17m

Lambert-St Louis

Thu 4/24

5:41 pm-5:40 pm

1 stop22h 59m

$240

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 5/7

5:07 pm-11:26 pm

1 stop7h 19m

Lambert-St Louis

Wed 5/14

6:45 am-9:17 am

Nonstop1h 32m

$241

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Fri 5/9

6:45 am-9:15 am

2 stops27h 30m

Lambert-St Louis

Sun 5/11

10:10 am-9:15 am

1 stop22h 05m

$252

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Thu 5/8

6:00 am-11:03 am

1 stop6h 03m

Lambert-St Louis

Sat 5/10

9:40 am-6:58 pm

2 stops8h 18m

$256

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Mon 6/23

2:51 pm-3:22 pm

Nonstop1h 31m

$30

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Wed 5/28

8:55 am-9:35 am

Nonstop1h 40m

$60

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

Sun 5/11

12:54 pm-12:06 am

1 stop12h 12m

$86

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 14 results
1
2

Compare providers for flights from Detroit to St. Louis

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 Detroit to St. Louis in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 Detroit Metropolitan Wayne County Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit Metropolitan Wayne County Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit Metropolitan Wayne County Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-St. Louis 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 Detroit Metropolitan Wayne County Airport-St. Louis 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 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
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 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?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to St. Louis. Price data was last updated on April 4, 2025.

The price you pay for your flight from Detroit Metropolitan Wayne County Airport to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to St. Louis (average of $311). Flying from Detroit Metropolitan Wayne County Airport to St. Louis in March is currently the most expensive (average of $356). 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?

Find hourly flight availability from Detroit to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 9% on flights from Detroit Metropolitan Wayne County Airport to St. Louis by exploring options for tickets in the evening.

Weekly flight availability from Detroit Metropolitan Wayne County Airport to St. Louis

Explore weekly flight availability from Detroit to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 11, 2025.

The most flights from DTW to STL are scheduled on a Wednesday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated April 11, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Detroit to St. Louis by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,279 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,910 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,636 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,912 reviews
Southwest
8.0
Very good
4,279 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Detroit to St. Louis. 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 Detroit to St. Louis?

    If you book a flight from Detroit to St. Louis, you will be flying from Detroit Metropolitan Wayne County to Lambert-St Louis. Flights to Lambert-St Louis (STL) from Detroit Metropolitan Wayne County (DTW) take 1h 31m for a nonstop flight. There are 12 flights from Detroit Metropolitan Wayne County to St. Louis per day from 5 airlines.

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

    Our cheapest airline available from Detroit Metropolitan Wayne County Airport to St. Louis is American Airlines. Our recent data shows that you can find tickets from as low as $237 on this airline. Additional options worth looking into are Southwest and Frontier, starting at $238 and $240 round-trip. You may be able to fly from Detroit Metropolitan Wayne County Airport to St. Louis for 23% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $30 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $60 and Frontier from $86 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Detroit Metropolitan Wayne County Airport to St. Louis consider choosing SkyWest Airlines (100%), KLM (89%) or Delta (86%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $285 for a flight from Detroit Metropolitan Wayne County Airport to St. Louis. The cheapest flight overall is $118 while the most popular route, (Detroit Metropolitan Wayne County - Lambert-St Louis) is currently priced at $60.

  • 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, August is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to St. Louis (average of $311). Flying from Detroit Metropolitan Wayne County Airport to St. Louis in March is currently the most expensive (average of $356). 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
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Kansas City flights
Detroit to Springfield flights
Detroit to Columbia flights
Detroit to Joplin flights
Detroit to Branson flights

Top 5 airlines flying from Detroit to St. Louis

Discover the top 5 airlines that operate flights from Detroit to St. Louis. 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$200FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$179Average$277FlexibilityNo cancel feeOn-time71%
DeltaCheapest$227Average$314FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$245Average$305FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$298Average$476FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.