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 $88 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.

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

The most flights from STL to DTW are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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.

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).

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 $511, our data indicates the cheapest price to be $185. The most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County), is priced around $165.

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%), Virgin Atlantic (95%) or KLM (90%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from St. Louis to Detroit Metropolitan Wayne County Airport?

Before booking your flight from St. Louis to Detroit Metropolitan Wayne County Airport check out the most popular airlines for this route: Delta, Spirit Airlines or Southwest.

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.

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 10 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.

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.

$62+ Flights from St. Louis to Detroit Metropolitan Wayne County Airport

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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

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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 Friday

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 December 4, 2025.

Tue 12/3010:48 amSTL - DTW

1 stop6h 23mFrontier

Tue 1/612:47 pmDTW - STL

1 stop10h 46mFrontier

Deal found 12/2

$163

Thu 12/2510:42 amSTL - DTW

1 stop6h 27mFrontier

Sun 1/410:01 pmDTW - STL

1 stop13h 01mFrontier

Deal found 12/2

$188

Fri 12/129:54 amSTL - DTW

1 stop24h 48mFrontier

Mon 12/159:18 amDTW - STL

1 stop14h 15mFrontier

Deal found 12/3

$217

Thu 12/2510:42 amSTL - DTW

1 stop20h 25mMultiple Airlines

Tue 1/612:47 pmDTW - STL

1 stop10h 46mMultiple Airlines

Deal found 12/2

$226

Fri 12/123:30 pmSTL - DTW

2 stops15h 37mMultiple Airlines

Mon 12/156:12 pmDTW - STL

1 stop29h 21mMultiple Airlines

Deal found 12/1

$229

Thu 12/2510:42 amSTL - DTW

1 stop20h 25mMultiple Airlines

Wed 1/77:22 pmDTW - STL

1 stop28h 11mMultiple Airlines

Deal found 12/2

$232

Thu 12/113:30 pmSTL - DTW

1 stop15h 50mFrontier

Sun 12/146:12 pmDTW - STL

1 stop15h 47mFrontier

Deal found 12/2

$247

Fri 12/123:30 pmSTL - DTW

1 stop15h 50mFrontier

Sun 12/146:12 pmDTW - STL

1 stop15h 47mFrontier

Deal found 12/2

$251

Thu 12/2510:42 amSTL - DTW

1 stop6h 27mFrontier

Thu 1/111:15 amDTW - STL

1 stop12h 18mFrontier

Deal found 12/2

$257

Best flights from St. Louis to Detroit
Discover carefully curated flight deals from St. Louis to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Tue 1/136:00 amSTL - DTW

1 stop10h 25mAmerican Airlines

Tue 1/2011:20 amDTW - STL

1 stop5h 54mAmerican Airlines

Deal found 12/2

$183

Thu 1/85:11 pmSTL - DTW

1 stop16h 35mFrontier

Mon 1/1211:28 amDTW - STL

1 stop12h 05mFrontier

Deal found 12/3

$184

Thu 1/85:55 pmSTL - DTW

Nonstop1h 30mSouthwest

Mon 1/125:50 amDTW - STL

Nonstop2h 00mSouthwest

Deal found 12/3

$233

Tue 1/133:40 pmSTL - DTW

1 stop5h 54mDelta

Tue 1/207:59 pmDTW - STL

Nonstop1h 44mDelta

Deal found 12/2

$235

Tue 12/308:40 pmSTL - DTW

Nonstop1h 30mSouthwest

Tue 1/66:50 amDTW - STL

1 stop5h 25mSouthwest

Deal found 12/2

$268

Thu 1/156:35 amSTL - DTW

Nonstop1h 34mDelta

Mon 1/197:59 pmDTW - STL

Nonstop1h 44mDelta

Deal found 12/2

$301

Thu 1/16:10 pmSTL - DTW

Nonstop1h 30mSouthwest

Thu 1/85:50 amDTW - STL

Nonstop2h 00mSouthwest

Deal found 12/2

$276

Thu 1/86:35 amSTL - DTW

Nonstop1h 34mDelta

Mon 1/127:59 pmDTW - STL

Nonstop1h 44mDelta

Deal found 12/3

$301

Last-minute flights from St. Louis to Detroit
Discover last-minute flight deals from St. Louis to Detroit. Data last updated December 4, 2025 and is based on user searches.

Fri 12/129:54 amSTL - DTW

1 stop24h 48mFrontier

Mon 12/159:18 amDTW - STL

1 stop14h 15mFrontier

Deal found 12/3

$217

Thu 12/2510:42 amSTL - DTW

1 stop6h 27mFrontier

Sun 1/410:01 pmDTW - STL

1 stop13h 01mFrontier

Deal found 12/2

$188

Tue 12/3010:48 amSTL - DTW

1 stop6h 23mFrontier

Tue 1/612:47 pmDTW - STL

1 stop10h 46mFrontier

Deal found 12/2

$163

Thu 1/85:11 pmSTL - DTW

1 stop16h 35mFrontier

Mon 1/1211:28 amDTW - STL

1 stop12h 05mFrontier

Deal found 12/3

$184

Thu 1/83:43 pmSTL - DTW

1 stop17h 37mMultiple Airlines

Mon 1/127:07 pmDTW - STL

2 stops36h 44mMultiple Airlines

Deal found 12/3

$197

Fri 1/96:00 amSTL - DTW

1 stop10h 25mAmerican Airlines

Mon 1/125:35 pmDTW - STL

1 stop6h 24mAmerican Airlines

Deal found 12/3

$211

Tue 1/136:00 amSTL - DTW

1 stop10h 25mAmerican Airlines

Tue 1/2011:20 amDTW - STL

1 stop5h 54mAmerican Airlines

Deal found 12/2

$183

Fri 1/231:03 pmSTL - DTW

1 stop9h 56mFrontier

Mon 1/263:14 pmDTW - STL

1 stop9h 19mFrontier

Deal found 12/2

$145

Fri 1/231:03 pmSTL - DTW

1 stop9h 56mFrontier

Thu 1/297:14 pmDTW - STL

2 stops16h 09mFrontier

Deal found 12/4

$186

One-way flights from St. Louis to Detroit
Search for one-way flight options from St. Louis to Detroit. Find affordable one-way fares based on user searches. Data last updated December 4, 2025.

Wed 1/215:42 pmSTL - DTW

1 stop19h 39mFrontier

Deal found 12/2

$62

Fri 1/231:03 pmSTL - DTW

1 stop9h 56mFrontier

Deal found 12/2

$64

Sat 1/313:46 pmSTL - DTW

1 stop23h 33mFrontier

Deal found 12/3

$69

Sun 2/228:36 pmSTL - DTW

1 stop14h 16mFrontier

Deal found 12/2

$70

Wed 2/48:22 pmSTL - DTW

1 stop12h 58mMultiple Airlines

Deal found 12/1

$73

Sat 1/2411:00 amSTL - DTW

1 stop23h 22mFrontier

Deal found 12/2

$74

Sun 1/115:11 pmSTL - DTW

1 stop16h 22mFrontier

Deal found 12/2

$75

Mon 2/210:16 amSTL - DTW

1 stop23h 38mFrontier

Deal found 12/1

$76

Sat 2/217:43 pmSTL - DTW

1 stop14h 27mFrontier

Deal found 12/2

$78

Wed 2/117:43 pmSTL - DTW

1 stop14h 27mFrontier

Deal found 12/1

$79

Tue 12/3010:48 amSTL - DTW

1 stop6h 23mFrontier

Deal found 12/2

$81

Thu 1/110:42 amSTL - DTW

1 stop6h 27mFrontier

Deal found 12/2

$82

Find flight deals from St. Louis to Detroit

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$145 (Priceline)
One-way from	$62 (Kiwi.com)
Popular in	November
Cheapest in	August
Average price	$341
Good round-trip deal	$433 or less
Good one-way deal	$239 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. 19% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 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

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

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 1/13

6:00 am-5:25 pm

1 stop10h 25m

Detroit Metropolitan Wayne County

Tue 1/20

11:20 am-4:14 pm

1 stop5h 54m

$183

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/8

5:11 pm-10:46 am

1 stop16h 35m

Detroit Metropolitan Wayne County

Mon 1/12

11:28 am-10:33 pm

1 stop12h 05m

$184

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/8

5:55 pm-8:25 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 1/12

5:50 am-6:50 am

Nonstop2h 00m

$233

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 1/13

3:40 pm-10:34 pm

1 stop5h 54m

Detroit Metropolitan Wayne County

Tue 1/20

7:59 pm-8:43 pm

Nonstop1h 44m

$235

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 12/30

8:40 pm-11:10 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Tue 1/6

6:50 am-11:15 am

1 stop5h 25m

$268

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/1

6:10 pm-8:40 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Thu 1/8

5:50 am-6:50 am

Nonstop2h 00m

$276

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/15

6:35 am-9:09 am

Nonstop1h 34m

Detroit Metropolitan Wayne County

Mon 1/19

7:59 pm-8:43 pm

Nonstop1h 44m

$301

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/8

6:35 am-9:09 am

Nonstop1h 34m

Detroit Metropolitan Wayne County

Mon 1/12

7:59 pm-8:43 pm

Nonstop1h 44m

$301

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Mon 2/2

5:42 pm-10:54 am

1 stop16h 12m

$62

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 1/13

6:40 pm-11:44 pm

1 stop4h 04m

$82

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 17 results

Compare providers for flights from St. Louis to Detroit

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price 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 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

Prices

Airlines

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 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 December is currently the most expensive (average of $289). 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?

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?

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

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.

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.

Our travel experts

Brandon Schultz

Expert on DTW

Taryn White

Expert on STL

Reviews of airlines servicing Detroit

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

4,253 reviews

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

4,253 reviews

Southwest

8.0

Very good

4,253 reviews

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

8,009 reviews

Southwest

8.0

Very good

4,253 reviews

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

8,159 reviews

Southwest

8.0

Very good

4,253 reviews

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

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 10 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?
American Airlines, Frontier, and Southwest can get you from St. Louis to Detroit Metropolitan Wayne County Airport in just under 1h 30m. Your travel time can differ by up to 15h 05m. 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 $88 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 Endeavor Airlines (100%), Virgin Atlantic (95%) or KLM (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 $511, our data indicates the cheapest price to be $185. The most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County), is priced around $165.
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 $289). 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

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Warren

Troy

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Novi

Allen Park

Clarkston

Utica

Romulus

Rochester Hills

Monroe

Wixom

Ypsilanti

Brighton

Livonia

Plymouth

Roseville

Fremont

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from St. Louis to Detroit

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$41	Average$80	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$119	Average$275	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$120	Average$299	FlexibilityNo cancel fee	On-timeN/A

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$62+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Detroit with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Friday

Cheap flight deals from St. Louis to Detroit

Cheapest flights from St. Louis to DetroitExplore 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 December 4, 2025.

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 December 4, 2025.

Find flight deals from St. Louis to Detroit

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Detroit Metropolitan Wayne County Airport that are best for you.

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 December.

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.

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?

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

What is the cheapest time of day to fly from STL to DTW?

What is the cheapest day to fly from St. Louis to Detroit Metropolitan Wayne County Airport?

Weekly flight availability 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

Airports

STL

DTW

Our travel experts

Reviews of airlines servicing Detroit

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.

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?

How long is the flight from St. Louis to Detroit Metropolitan Wayne County Airport?

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

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

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

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

Can I find deals for flights from St. Louis to Detroit that include hotel bookings?

How can I find direct flights from St. Louis to Detroit?

Can I find deals for business class flights from St. Louis to Detroit?

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

Traveling to a place near Detroit Metropolitan Wayne County Airport?

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Top 3 airlines flying from St. Louis to Detroit

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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 December 4, 2025.