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$48+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DTW
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 89 days in advance, depart on a Friday or Thursday and return on a Friday

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 November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/4. 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.
Thu 12/43:30 pmSTL - DTW
1 stop15h 50mFrontier
Sun 12/76:12 pmDTW - STL
1 stop15h 47mFrontier
Deal found 11/4$133
This Mytrip deal was found by Cheapflights users on 11/4. 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 12/37:43 pmSTL - DTW
1 stop14h 42mFrontier
Fri 12/55:20 pmDTW - STL
1 stop17h 54mFrontier
Deal found 11/4$137
This Frontier deal was found by Cheapflights users on 11/5. 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 12/67:43 pmSTL - DTW
1 stop19h 36mFrontier
Mon 12/89:18 amDTW - STL
1 stop14h 15mFrontier
Deal found 11/5$150
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Sun 11/237:57 pmSTL - DTW
1 stop14h 46mFrontier
Mon 11/2410:29 pmDTW - STL
1 stop23h 40mFrontier
Deal found 11/4$153
This Booking.com deal was found by Cheapflights users on 11/4. 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.
Fri 11/217:43 pmSTL - DTW
1 stop15h 00mFrontier
Sun 11/239:01 amDTW - STL
1 stop6h 28mFrontier
Deal found 11/4$156
This Booking.com deal was found by Cheapflights users on 11/4. 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.
Thu 12/43:30 pmSTL - DTW
1 stop15h 50mFrontier
Fri 12/55:20 pmDTW - STL
1 stop17h 54mFrontier
Deal found 11/4$158
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/1311:07 amSTL - DTW
1 stop5h 09mMultiple Airlines
Sun 11/168:00 pmDTW - STL
1 stop14h 40mMultiple Airlines
Deal found 11/4$159
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:45 pmSTL - DTW
1 stop14h 58mFrontier
Thu 11/203:33 pmDTW - STL
1 stop9h 24mFrontier
Deal found 11/3$160
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/412:04 pmSTL - DTW
1 stop6h 48mMultiple Airlines
Sun 12/79:21 amDTW - STL
1 stop25h 31mMultiple Airlines
Deal found 11/6$172
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/207:43 pmSTL - DTW
1 stop14h 42mFrontier
Sat 1/106:07 pmDTW - STL
1 stop14h 43mFrontier
Deal found 11/4$174
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/23:30 pmSTL - DTW
1 stop7h 16mMultiple Airlines
Fri 12/55:20 pmDTW - STL
1 stop17h 54mMultiple Airlines
Deal found 11/4$181

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$137
(Mytrip)

One-way from

$48
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$370

Good round-trip deal

$360 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. 17% potential increase in price ($55 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 November 2025
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 November 6, 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

Tue 12/2

3:30 pm-11:46 pm

1 stop7h 16m

Detroit Metropolitan Wayne County

Fri 12/5

5:20 pm-10:14 am

1 stop17h 54m

$181

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 12/4

3:30 pm-5:17 pm

1 stop24h 47m

Detroit Metropolitan Wayne County

Thu 12/18

7:50 am-4:24 pm

1 stop9h 34m

$213

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 11/20

9:54 pm-12:50 am

2 stops25h 56m

Detroit Metropolitan Wayne County

Mon 11/24

10:29 pm-9:09 pm

1 stop23h 40m

$231

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 1/24

9:57 am-5:03 pm

1 stop6h 06m

Detroit Metropolitan Wayne County

Tue 1/27

6:00 am-2:30 pm

2 stops9h 30m

$256

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 12/6

1:35 pm-4:05 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 12/8

6:45 pm-7:25 pm

Nonstop1h 40m

$281

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 12/3

6:10 pm-8:40 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Fri 12/5

6:45 pm-7:25 pm

Nonstop1h 40m

$290

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 12/12

6:42 pm-11:31 pm

1 stop3h 49m

Detroit Metropolitan Wayne County

Sun 12/14

9:15 am-12:15 pm

1 stop4h 00m

$291

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 12/4

4:25 pm-10:40 pm

1 stop5h 15m

Detroit Metropolitan Wayne County

Thu 12/18

8:00 am-8:55 am

Nonstop1h 55m

$291

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 12/20

8:40 pm-11:10 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 12/22

9:20 pm-10:00 pm

Nonstop1h 40m

$300

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 1/13

3:11 pm-8:26 pm

1 stop4h 15m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 18 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Detroit Metropolitan Wayne County Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 31, 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, 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 December is currently the most expensive (average of $285). 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 November 6, 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 November 2, 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.

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

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 November 6, 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.
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
Delta
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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
Spirit Airlines
6.3
Okay
8,114 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

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 7 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 06m. Your travel time can differ by up to 18h 41m. 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 $41 on this airline. Additional options worth looking into are Southwest and Delta, starting at $119 and $121 round-trip. These flights start at 84% 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 Endeavor Airlines (100%), Air France (97%) or WestJet (97%) 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 $460, our data indicates the cheapest price to be $159. The most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County), is priced around $155.

  • 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 December is currently the most expensive (average of $285). 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
Southfield
Warren
Troy
Novi
Clarkston
Allen Park
Utica
Romulus
Auburn Hills
Monroe
Wixom
Ypsilanti
Brighton
Livonia
Plymouth
Roseville
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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$41Average$80FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$119Average$289FlexibilityNo cancel feeOn-time63%
DeltaCheapest$121Average$300FlexibilityNo cancel feeOn-timeN/A

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