Detroit

$79+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Mar 30 — Apr 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Detroit 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 Lambert-St Louis to Detroit Metropolitan Wayne County are usually found in August or May, booked 86 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$183
(American Airlines)

One-way from

$79
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$373

Good round-trip deal

$379 or less

Good one-way deal

$196 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. 1% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 25, 2025.

This American Airlines deal was found by Cheapflights users on 3/22. 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.
Mon 4/145:45 amSTL - DTW
1 stop8h 40mAmerican Airlines
Wed 4/163:55 pmDTW - STL
1 stop7h 17mAmerican Airlines
Deal found 3/22$183
This Frontier deal was found by Cheapflights users on 3/24. 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 4/194:57 pmSTL - DTW
1 stop14h 03mFrontier
Sun 4/202:35 pmDTW - STL
1 stop19h 31mFrontier
Deal found 3/24$209
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Tue 4/156:10 pmSTL - DTW
2 stops17h 51mSpirit Airlines
Wed 4/167:42 pmDTW - STL
2 stops22h 33mSpirit Airlines
Deal found 3/24$218
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Sat 4/269:50 amSTL - DTW
2 stops14h 27mMultiple Airlines
Mon 4/282:59 pmDTW - STL
1 stop27h 16mMultiple Airlines
Deal found 3/24$233
This Southwest deal was found by Cheapflights users on 3/24. 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.
Sat 4/191:30 pmSTL - DTW
Nonstop1h 30mSouthwest
Sun 4/206:35 pmDTW - STL
Nonstop1h 35mSouthwest
Deal found 3/24$237
This Delta deal was found by Cheapflights users on 3/22. 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.
Mon 4/145:37 pmSTL - DTW
Nonstop1h 32mDelta
Wed 4/168:46 amDTW - STL
Nonstop1h 42mDelta
Deal found 3/22$245
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:00 amSTL - DTW
2 stops9h 25mUnited Airlines
Sun 5/411:10 amDTW - STL
1 stop5h 37mUnited Airlines
Deal found 3/24$372

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 March 25, 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

Mon 4/14

5:45 am-3:25 pm

1 stop8h 40m

Detroit Metropolitan Wayne County

Wed 4/16

3:55 pm-10:12 pm

1 stop7h 17m

$183

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 4/19

4:57 pm-8:00 am

1 stop14h 03m

Detroit Metropolitan Wayne County

Sun 4/20

2:35 pm-9:06 am

1 stop19h 31m

$209

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 4/15

6:10 pm-1:01 pm

2 stops17h 51m

Detroit Metropolitan Wayne County

Wed 4/16

7:42 pm-5:15 pm

2 stops22h 33m

$218

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 4/26

9:50 am-1:17 am

2 stops14h 27m

Detroit Metropolitan Wayne County

Mon 4/28

2:59 pm-5:15 pm

1 stop27h 16m

$233

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 4/19

1:30 pm-4:00 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sun 4/20

6:35 pm-7:10 pm

Nonstop1h 35m

$237

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 4/14

5:37 pm-8:09 pm

Nonstop1h 32m

Detroit Metropolitan Wayne County

Wed 4/16

8:46 am-9:28 am

Nonstop1h 42m

$245

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 5/3

8:00 am-6:25 pm

2 stops9h 25m

Detroit Metropolitan Wayne County

Sun 5/4

11:10 am-3:47 pm

1 stop5h 37m

$372

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 4/29

6:10 pm-8:57 am

1 stop13h 47m

$79

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 4/24

5:45 am-3:25 pm

1 stop8h 40m

$97

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 5/3

6:53 pm-1:28 pm

1 stop17h 35m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 14 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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust 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 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?

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 March 21, 2025.

The best time to book flights from St. Louis to Detroit Metropolitan Wayne County Airport is 86 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, April is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $257). 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 March 25, 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 71% 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 March 16, 2025.

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

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

Explore weekly flight availability from St. Louis to Detroit. 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 March 25, 2025.

The most flights from STL to DTW are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Detroit by month

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

In terms of precipitation, rainfall in Detroit Metropolitan Wayne County Airport ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit Metropolitan Wayne County Airport when rainfall is around 1.8 in.

Temperature in Detroit by month

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

If weather is an important factor for your trip to Detroit Metropolitan Wayne County Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 March 25, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from St. Louis to Detroit by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

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.

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

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.
8.0
Very good

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

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.

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

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.

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

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.

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

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 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 17 daily flights to Detroit from 4 different airlines. 1h 29m is how long a flight from St. Louis to Detroit Metropolitan Wayne County will take if you book a nonstop flight.

  • 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 American Airlines. Our recent data shows that you can find tickets from as low as $183 on this airline. Additional options worth looking into are Frontier and Spirit Airlines, starting at $209 and $218 round-trip. These flights start at 44% 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 $79. American Airlines flights start at $97 while deals on Frontier start at $107 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 (100%), Aeromexico (100%) or Southwest (96%) 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 $1,667, our data indicates the cheapest price to be $118. The most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County), is priced around $228.

  • 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, April is the cheapest month in which you can book a flight from St. Louis to Detroit Metropolitan Wayne County Airport (average of $257). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Dearborn
Warren
Sterling Heights
Novi
Troy
Southfield
Waterford
Belleville
Romulus
Clarkston
Utica
Plymouth
Auburn Hills
Wixom
Monroe
Put-in-Bay
Chelsea
Brighton
Livonia
Roseville

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 St. Louis to Detroit

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

Top 4 airlines flying from St. Louis to Detroit

Discover the top 4 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$209FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$201Average$348FlexibilityNo cancel feeOn-time71%
DeltaCheapest$238Average$324FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$246Average$354FlexibilityNo cancel feeOn-time63%
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.