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

Our cheapest airline available from Detroit to St. Louis is Delta. Our recent data shows that you can find tickets from as low as $245 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $246 and $251 round-trip. You may be able to fly from Detroit to St. Louis for 24% less than the average price by searching for these airlines.

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

$44 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $88 and $97, respectively.

What is the cheapest day to fly from Detroit to St. Louis?

Travelers seeking maximum savings on their Detroit to St. Louis flight should consider departing on Tuesday at noon 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.

What are the cheapest flights from Detroit to St. Louis?

While on average a flight from Detroit to St. Louis is generally $297, our data shows the cheapest flight currently is $109. When looking at the most popular route, (Detroit Metropolitan Wayne County - Lambert-St Louis), you can expect to pay $217 for that flight.

What are the most reliable airlines from Detroit to St. Louis?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Detroit to St. Louis on time: SkyWest Airlines (100%), Endeavor Airlines (100%), Aeromexico (89%).

What are the most popular airlines that fly from Detroit to St. Louis?

When booking a flight from Detroit to St. Louis, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

What is the cheapest day to fly round-trip from Detroit to St. Louis?

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 28% when planning your travel around this day of the week.

How far in advance should I book a flight from Detroit to St. Louis?

Users have found that booking a flight from Detroit to St. Louis at least 29 days early can save you up to 17% on average compared to booking a flight this week. If booking 29 days before your flight isn’t an option for you, users have found flights from Detroit to St. Louis for as little as $286 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $582 for flights departing within the next 3 days.

What is the cheapest month to fly from Detroit to St. Louis?

Flights from Detroit to St. Louis lean towards being more expensive in September. Prices are generally better when you fly from Detroit to St. Louis in August, with the cheapest ticket starting at $182.

Most accurate provider : When it comes to deals on Detroit-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-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Detroit-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-St. Louis 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 Detroit to St. Louis?

You will need to book a flight from Detroit All airports to Lambert-St Louis if you want to fly from Detroit to St. Louis. At least 5 different airlines have flights from All airports (DTT) to Lambert-St Louis (STL) on a regular basis. There are 11 flights to St. Louis from the Detroit airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DTT to STL to be around 1h 30m.

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.

$44+ Flights from Detroit to St. Louis

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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

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.

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Cheapflights Tip: The best prices from Detroit All airports to Lambert-St Louis are usually found in August or April, booked 79 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Detroit to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$245 (Delta)
One-way from	$44 (FlightHub)
Popular in	September
Cheapest in	August
Average price	$299
Good round-trip deal	$279 or less
Good one-way deal	$160 or less

Provider with most accurate pricing for Detroit (DTT)-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Detroit (DTT)-Lambert-St Louis flights.

Search Deals

From Detroit (DTT) to Lambert-St Louis

Search Deals

One-way flight from Detroit (DTT) to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from Detroit (DTT) to Lambert-St Louis.

Search Deals

Price to beat on a one-way flight from Detroit (DTT) 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 mars 28, 2025.

jeu. 4/1712:20 pmDTW - STL

Nonstop1h 41mDelta

mar. 4/225:37 pmSTL - DTW

Nonstop1h 32mDelta

Deal found 3/27

$245

dim. 5/256:00 amDTW - STL

1 stop28h 09mFrontier

sam. 5/317:55 pmSTL - DTW

1 stop27h 49mFrontier

Deal found 3/27

$246

dim. 4/273:36 pmDTW - STL

1 stop4h 47mAmerican Airlines

lun. 4/285:45 amSTL - DTW

1 stop8h 40mAmerican Airlines

Deal found 3/27

$251

ven. 4/258:15 pmDTW - STL

1 stop16h 07mMultiple Airlines

lun. 4/289:50 amSTL - DTW

2 stops14h 27mMultiple Airlines

Deal found 3/27

$257

mer. 4/1612:41 pmDTW - STL

1 stop29h 34mSpirit Airlines

dim. 4/206:10 pmSTL - DTW

2 stops30h 07mSpirit Airlines

Deal found 3/27

$263

jeu. 4/175:05 amDTW - STL

1 stop6h 40mSouthwest

mar. 4/2212:50 pmSTL - DTW

2 stops6h 50mSouthwest

Deal found 3/27

$270

ven. 5/2311:10 amDTW - STL

1 stop5h 20mUnited Airlines

mer. 5/288:10 amSTL - DTW

2 stops8h 23mUnited Airlines

Deal found 3/28

$384

Best flights from Detroit to St. Louis
Discover carefully curated flight deals from Detroit to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mars 28, 2025.

jeu. 4/1712:20 pmDTW - STL

Nonstop1h 41mDelta

mar. 4/225:37 pmSTL - DTW

Nonstop1h 32mDelta

Deal found 3/27

$245

dim. 5/256:00 amDTW - STL

1 stop28h 09mFrontier

sam. 5/317:55 pmSTL - DTW

1 stop27h 49mFrontier

Deal found 3/27

$246

dim. 4/275:55 pmDTW - STL

1 stop6h 38mAmerican Airlines

mar. 4/2912:00 pmSTL - DTW

1 stop7h 59mAmerican Airlines

Deal found 3/27

$251

ven. 4/258:15 pmDTW - STL

1 stop16h 07mMultiple Airlines

lun. 4/289:50 amSTL - DTW

2 stops14h 27mMultiple Airlines

Deal found 3/27

$257

mer. 4/1612:41 pmDTW - STL

1 stop29h 34mSpirit Airlines

dim. 4/206:10 pmSTL - DTW

2 stops30h 07mSpirit Airlines

Deal found 3/27

$263

jeu. 4/175:05 amDTW - STL

1 stop6h 40mSouthwest

mar. 4/2212:50 pmSTL - DTW

2 stops6h 50mSouthwest

Deal found 3/27

$270

ven. 5/2311:10 amDTW - STL

1 stop5h 20mUnited Airlines

mer. 5/288:10 amSTL - DTW

2 stops8h 23mUnited Airlines

Deal found 3/28

$384

jeu. 6/125:45 pmDTW - STL

2 stops21h 41mAlaska Airlines

sam. 6/147:32 pmSTL - DTW

2 stops19h 48mAlaska Airlines

Deal found 3/28

$998

Last-minute flights from Detroit to St. Louis
Discover last-minute flight deals from Detroit to St. Louis. Data last updated mars 28, 2025 and is based on user searches.

mer. 4/26:50 amDTW - STL

1 stop5h 34mAmerican Airlines

jeu. 4/310:12 amSTL - DTW

1 stop4h 13mAmerican Airlines

Deal found 3/27

$544

ven. 4/45:40 amDTW - STL

2 stops7h 40mUnited Airlines

dim. 4/66:30 amSTL - DTW

1 stop5h 38mUnited Airlines

Deal found 3/28

$564

dim. 4/65:00 amDTW - STL

1 stop13h 52mMultiple Airlines

lun. 4/149:50 amSTL - DTW

2 stops14h 27mMultiple Airlines

Deal found 3/27

$380

dim. 4/612:25 pmDTW - STL

Nonstop1h 43mDelta

lun. 4/146:50 amSTL - DTW

Nonstop1h 29mDelta

Deal found 3/27

$462

lun. 4/710:50 amDTW - STL

Nonstop1h 40mSouthwest

ven. 4/117:45 amSTL - DTW

2 stops8h 25mSouthwest

Deal found 3/27

$477

mar. 4/88:50 amDTW - STL

1 stop15h 56mFrontier

dim. 4/134:57 pmSTL - DTW

1 stop24h 25mFrontier

Deal found 3/27

$248

mer. 4/1612:41 pmDTW - STL

1 stop29h 34mSpirit Airlines

dim. 4/206:10 pmSTL - DTW

2 stops30h 07mSpirit Airlines

Deal found 3/27

$263

jeu. 4/1712:20 pmDTW - STL

Nonstop1h 41mDelta

mar. 4/225:37 pmSTL - DTW

Nonstop1h 32mDelta

Deal found 3/27

$245

jeu. 4/175:05 amDTW - STL

1 stop6h 40mSouthwest

mar. 4/2212:50 pmSTL - DTW

2 stops6h 50mSouthwest

Deal found 3/27

$270

jeu. 4/245:40 amDTW - STL

2 stops7h 40mUnited Airlines

dim. 4/275:35 pmSTL - DTW

1 stop5h 02mUnited Airlines

Deal found 3/27

$297

ven. 4/258:15 pmDTW - STL

1 stop16h 07mMultiple Airlines

lun. 4/289:50 amSTL - DTW

2 stops14h 27mMultiple Airlines

Deal found 3/27

$257

dim. 4/275:55 pmDTW - STL

1 stop6h 38mAmerican Airlines

mar. 4/2912:00 pmSTL - DTW

1 stop7h 59mAmerican Airlines

Deal found 3/27

$251

One-way flights from Detroit to St. Louis
Search for one-way flight options from Detroit to St. Louis. Find affordable one-way fares based on user searches. Data last updated mars 28, 2025.

jeu. 9/47:00 amDTW - STL

Nonstop1h 49mSpirit Airlines

Deal found 3/27

$44

dim. 5/182:28 pmDTW - STL

1 stop19h 41mFrontier

Deal found 3/27

$88

lun. 5/125:30 amDTW - STL

1 stop10h 51mAmerican Airlines

Deal found 3/28

$97

mar. 5/1310:31 amDTW - STL

2 stops9h 10mMultiple Airlines

Deal found 3/28

$111

mer. 5/78:11 pmDTW - STL

Nonstop1h 38mDelta

Deal found 3/27

$123

mer. 5/214:05 pmDTW - STL

2 stops7h 05mSouthwest

Deal found 3/27

$153

mer. 9/36:00 amDTW - STL

2 stops7h 25mUnited Airlines

Deal found 3/27

$165

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

jeu. 4/17

12:20 pm-1:01 pm

Nonstop1h 41m

Lambert-St Louis

mar. 4/22

5:37 pm-8:09 pm

Nonstop1h 32m

$245

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

dim. 5/25

6:00 am-9:09 am

1 stop28h 09m

Lambert-St Louis

sam. 5/31

7:55 pm-12:44 am

1 stop27h 49m

$246

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

dim. 4/27

3:36 pm-7:23 pm

1 stop4h 47m

Lambert-St Louis

lun. 4/28

5:45 am-3:25 pm

1 stop8h 40m

$251

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

ven. 4/25

8:15 pm-11:22 am

1 stop16h 07m

Lambert-St Louis

lun. 4/28

9:50 am-1:17 am

2 stops14h 27m

$257

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

mer. 4/16

12:41 pm-5:15 pm

1 stop29h 34m

Lambert-St Louis

dim. 4/20

6:10 pm-1:17 am

2 stops30h 07m

$263

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

jeu. 4/17

5:05 am-10:45 am

1 stop6h 40m

Lambert-St Louis

mar. 4/22

12:50 pm-8:40 pm

2 stops6h 50m

$270

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

ven. 5/23

11:10 am-3:30 pm

1 stop5h 20m

Lambert-St Louis

mer. 5/28

8:10 am-5:33 pm

2 stops8h 23m

$384

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

jeu. 6/12

5:45 pm-2:26 pm

2 stops21h 41m

Lambert-St Louis

sam. 6/14

7:32 pm-4:20 pm

2 stops19h 48m

$998

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

jeu. 9/4

7:00 am-7:49 am

Nonstop1h 49m

$44

DetroitSt. Louis

DTW - STL

DTWSTL

Detroit Metropolitan Wayne County

dim. 5/18

2:28 pm-9:09 am

1 stop19h 41m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 15 results

Compare providers for flights from Detroit to St. Louis

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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-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-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Detroit-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-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 to St. Louis

How far ahead should I book a flight from Detroit to St. Louis?

The price you pay for your flight from Detroit to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 79 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 to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Detroit to St. Louis (average of $311). Flying from Detroit 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 DTT to STL?

When flying from Detroit to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 10% versus a flight at noon.

Weekly flight availability from Detroit to St. Louis

The most flights from DTT to STL are scheduled on a Wednesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in St. Louis 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

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

Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Detroit to St. Louis. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,274 reviews

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

8.1

Very good

4,274 reviews

Southwest

8.1

Very good

4,274 reviews

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.

Alaska Airlines

8.0

Very good

9,798 reviews

Southwest

8.1

Very good

4,274 reviews

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

7,897 reviews

Southwest

8.1

Very good

4,274 reviews

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

8,603 reviews

Southwest

8.1

Very good

4,274 reviews

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

8.1

Very good

4,274 reviews

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

What airports do I use to fly from Detroit to St. Louis?
You will need to book a flight from Detroit All airports to Lambert-St Louis if you want to fly from Detroit to St. Louis. At least 5 different airlines have flights from All airports (DTT) to Lambert-St Louis (STL) on a regular basis. There are 11 flights to St. Louis from the Detroit airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DTT to STL to be around 1h 30m.
What are the cheapest airlines flying from Detroit to St. Louis round-trip?
Our cheapest airline available from Detroit to St. Louis is Delta. Our recent data shows that you can find tickets from as low as $245 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $246 and $251 round-trip. You may be able to fly from Detroit to St. Louis for 24% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Detroit to St. Louis one-way?
$44 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $88 and $97, respectively.
What are the most reliable airlines from Detroit to St. Louis?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Detroit to St. Louis on time: SkyWest Airlines (100%), Endeavor Airlines (100%), Aeromexico (89%).
What are the cheapest flights from Detroit to St. Louis?
While on average a flight from Detroit to St. Louis is generally $297, our data shows the cheapest flight currently is $109. When looking at the most popular route, (Detroit Metropolitan Wayne County - Lambert-St Louis), you can expect to pay $217 for that flight.
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 to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Detroit to St. Louis (average of $311). Flying from Detroit 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

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Other flights to St. Louis

Top 5 airlines flying from Detroit to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$124	Average$200	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$179	Average$277	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$228	Average$316	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$245	Average$302	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$298	Average$476	FlexibilityNo cancel fee	On-time69%

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$44+ Cheap flights from Detroit to St. Louis (DTT - 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Detroit to St. Louis 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 Detroit All airports to Lambert-St Louis are usually found in August or April, booked 79 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Detroit to St. Louis

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

Find flight deals from Detroit to St. Louis

Cheapest flights from Detroit to St. LouisExplore 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 mars 28, 2025.

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 mars 28, 2025.

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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 March.

Best time to book a flight from Detroit to St. Louis

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Cheapflights Insights

Everything you need to know about your flight from Detroit to St. Louis

How far ahead should I book a flight from Detroit 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 March 21, 2025.

What is the cheapest month to book a flight from Detroit to St. Louis?

What is the cheapest time of day to fly from DTT 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 mars 28, 2025.

Weekly flight availability from Detroit 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 mars 28, 2025.

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Detroit to St. Louis. You can also see how each airline stacks up 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 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?

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

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

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What are the cheapest flights from Detroit to St. Louis?

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

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

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

What is the cheapest month to book a flight from Detroit to St. Louis?

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Alternative routes for Detroit to St. Louis

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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 mars 28, 2025.