How long is the flight from St. Louis to Detroit?

There are many flights that can get you from St. Louis to Detroit in 5h 51m. Fly via Frontier or United Airlines to get the fastest option. The distance between St. Louis and Detroit is about 439 mi. This flight may include one or multiple stops.

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

Currently priced at $38, Spirit Airlines will fly you from St. Louis to Detroit and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from $75 and $119, respectively. 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 one-way?

One-way options have recently been found by users for as low as $30 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $60 and Delta from $75 one-way.

In terms of precipitation, rainfall in Detroit 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 when rainfall is around 1.8 in.

If weather is an important factor for your trip to Detroit, 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?

Looking at all options, your cheapest flight can be booked for $168. While the most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County) can be booked for $145 on average, our data indicates $933 when flying from St. Louis to Detroit.

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

Consider Endeavor Airlines (100%), Virgin Atlantic (86%) or Korean Air (84%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Detroit.

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

Delta, Spirit Airlines and Southwest are the most popular airlines when flying from St. Louis to Detroit.

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

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

You will need to book a flight from Lambert-St Louis to Detroit All airports if you want to fly from St. Louis to Detroit. At least 3 different airlines have flights from Lambert-St Louis (STL) to All airports (DTT) on a regular basis. There are 9 flights to Detroit from the St. Louis airport per day. If you manage to book one that is nonstop, then you can expect the flight time from STL to DTT to be around 1h 30m.

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.

$64+ Flights from St. Louis to Detroit

Q: How much does it cost to fly round-trip from St. Louis to Detroit?

Airfare is below average for this route at the moment. St. Louis to Detroit flights typically cost between $314 and $407 in January. The cheapest round-trip price found within the last 3 days was $132 on Frontier (Jan 23-Jan 25).

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Cheapflights Tip: The best prices from Lambert-St Louis to Detroit All airports are usually found in August or July, booked 50 days in advance, depart on a Friday or Thursday and return on a Thursday

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 18, 2025.

Mon 12/228:52 pmSTL - DTW

2 stops33h 02mFrontier

Fri 1/237:14 pmDTW - STL

1 stop12h 37mFrontier

Deal found 12/16

$311

Thu 12/1810:42 amSTL - DTW

1 stop6h 27mFrontier

Sun 12/2110:01 pmDTW - STL

1 stop13h 01mFrontier

Deal found 12/16

$327

Mon 12/299:50 amSTL - DTW

2 stops27h 44mMultiple Airlines

Sat 1/37:30 pmDTW - STL

1 stop15h 10mMultiple Airlines

Deal found 12/16

$334

Fri 12/198:37 pmSTL - DTW

1 stop10h 48mFrontier

Sun 12/2110:01 pmDTW - STL

1 stop13h 01mFrontier

Deal found 12/15

$347

Mon 12/228:52 pmSTL - DTW

2 stops33h 02mFrontier

Thu 1/227:14 pmDTW - STL

1 stop12h 37mFrontier

Deal found 12/16

$351

Wed 12/315:19 pmSTL - DTW

1 stop12h 35mFrontier

Sun 1/410:01 pmDTW - STL

1 stop13h 01mFrontier

Deal found 12/16

$377

Wed 12/315:19 pmSTL - DTW

1 stop12h 35mMultiple Airlines

Sun 1/43:39 pmDTW - STL

2 stops27h 57mMultiple Airlines

Deal found 12/16

$417

Wed 12/249:50 amSTL - DTW

2 stops27h 44mMultiple Airlines

Mon 12/2912:15 pmDTW - STL

1 stop22h 25mMultiple Airlines

Deal found 12/15

$421

Mon 12/298:40 pmSTL - DTW

Nonstop1h 30mSouthwest

Sat 1/39:10 pmDTW - STL

Nonstop1h 40mSouthwest

Deal found 12/16

$425

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 18, 2025.

Wed 1/148:32 pmSTL - DTW

1 stop16h 45mMultiple Airlines

Wed 1/215:15 amDTW - STL

1 stop19h 18mMultiple Airlines

Deal found 12/17

$153

Sat 2/212:51 pmSTL - DTW

1 stop8h 04mFrontier

Thu 2/265:33 pmDTW - STL

1 stop14h 18mFrontier

Deal found 12/16

$166

Thu 1/297:00 amSTL - DTW

1 stop5h 51mUnited Airlines

Mon 2/26:34 pmDTW - STL

1 stop6h 25mUnited Airlines

Deal found 12/15

$191

Thu 1/295:55 pmSTL - DTW

Nonstop1h 30mSouthwest

Mon 2/25:50 amDTW - STL

Nonstop2h 00mSouthwest

Deal found 12/16

$231

Sat 1/104:49 pmSTL - DTW

1 stop5h 55mUnited Airlines

Mon 1/125:50 pmDTW - STL

1 stop6h 08mUnited Airlines

Deal found 12/16

$221

Fri 1/168:32 pmSTL - DTW

2 stops15h 34mMultiple Airlines

Sun 1/185:59 pmDTW - STL

1 stop13h 52mMultiple Airlines

Deal found 12/17

$226

Wed 1/72:15 pmSTL - DTW

2 stops7h 15mSouthwest

Sat 1/107:00 amDTW - STL

2 stops10h 50mSouthwest

Deal found 12/16

$252

Last-minute flights from St. Louis to Detroit
Discover last-minute flight deals from St. Louis to Detroit. Data last updated December 18, 2025 and is based on user searches.

Wed 1/75:11 pmSTL - DTW

1 stop19h 41mMultiple Airlines

Sat 1/105:15 amDTW - STL

1 stop18h 18mMultiple Airlines

Deal found 12/16

$189

Tue 1/135:11 pmSTL - DTW

1 stop19h 41mMultiple Airlines

Tue 1/2011:00 amDTW - STL

1 stop20h 51mMultiple Airlines

Deal found 12/16

$161

Wed 1/148:32 pmSTL - DTW

1 stop16h 45mMultiple Airlines

Wed 1/215:15 amDTW - STL

1 stop19h 18mMultiple Airlines

Deal found 12/17

$153

Fri 1/168:32 pmSTL - DTW

1 stop16h 28mFrontier

Sun 1/185:59 pmDTW - STL

1 stop13h 52mFrontier

Deal found 12/17

$181

Fri 1/168:32 pmSTL - DTW

1 stop16h 28mMultiple Airlines

Wed 1/215:15 amDTW - STL

1 stop19h 18mMultiple Airlines

Deal found 12/17

$192

Fri 1/2311:18 amSTL - DTW

1 stop7h 28mFrontier

Sun 1/257:14 pmDTW - STL

1 stop12h 37mFrontier

Deal found 12/17

$132

Fri 1/235:42 pmSTL - DTW

2 stops18h 48mMultiple Airlines

Sun 1/257:14 pmDTW - STL

1 stop12h 37mMultiple Airlines

Deal found 12/17

$171

Thu 1/295:42 pmSTL - DTW

1 stop25h 04mFrontier

Mon 2/23:14 pmDTW - STL

1 stop9h 19mFrontier

Deal found 12/17

$162

Thu 1/297:00 amSTL - DTW

1 stop5h 51mUnited Airlines

Mon 2/26:34 pmDTW - STL

1 stop6h 25mUnited Airlines

Deal found 12/15

$191

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 18, 2025.

Sat 2/212:51 pmSTL - DTW

1 stop8h 04mFrontier

Deal found 12/15

$64

Wed 2/258:17 pmSTL - DTW

1 stop10h 50mFrontier

Deal found 12/16

$67

Mon 2/25:42 pmSTL - DTW

1 stop16h 12mFrontier

Deal found 12/15

$68

Wed 3/48:17 pmSTL - DTW

1 stop10h 50mFrontier

Deal found 12/15

$70

Wed 2/118:17 pmSTL - DTW

1 stop10h 50mFrontier

Deal found 12/15

$71

Wed 1/148:32 pmSTL - DTW

1 stop12h 48mMultiple Airlines

Deal found 12/16

$76

Mon 1/198:32 pmSTL - DTW

1 stop15h 58mMultiple Airlines

Deal found 12/17

$77

Thu 1/225:42 pmSTL - DTW

1 stop25h 04mFrontier

Deal found 12/16

$80

Mon 3/21:54 pmSTL - DTW

1 stop9h 01mFrontier

Deal found 12/15

$81

Wed 1/75:11 pmSTL - DTW

1 stop24h 27mFrontier

Deal found 12/15

$83

Sat 1/173:43 pmSTL - DTW

1 stop18h 41mFrontier

Deal found 12/16

$85

Thu 1/83:43 pmSTL - DTW

1 stop21h 47mFrontier

Deal found 12/16

$86

Find flight deals from St. Louis to Detroit

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$132 (Kiwi.com)
One-way from	$64 (Priceline)
Popular in	February
Cheapest in	August
Average price	$354
Good round-trip deal	$383 or less
Good one-way deal	$220 or less

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

Search Deals

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

Search Deals

From Lambert-St Louis to Detroit (DTT)

Search Deals

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

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($60 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 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 (DTT).

Search Deals

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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 1/14

8:32 pm-2:17 pm

1 stop16h 45m

Detroit Metropolitan Wayne County

Wed 1/21

5:15 am-11:33 pm

1 stop19h 18m

$153

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 2/21

2:51 pm-11:55 pm

1 stop8h 04m

Detroit Metropolitan Wayne County

Thu 2/26

5:33 pm-6:51 am

1 stop14h 18m

$166

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/29

7:00 am-1:51 pm

1 stop5h 51m

Detroit Metropolitan Wayne County

Mon 2/2

6:34 pm-11:59 pm

1 stop6h 25m

$191

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 1/10

4:49 pm-11:44 pm

1 stop5h 55m

Detroit Metropolitan Wayne County

Mon 1/12

5:50 pm-10:58 pm

1 stop6h 08m

$221

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 1/16

8:32 pm-1:06 pm

2 stops15h 34m

Detroit Metropolitan Wayne County

Sun 1/18

5:59 pm-6:51 am

1 stop13h 52m

$226

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/29

5:55 pm-8:25 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 2/2

5:50 am-6:50 am

Nonstop2h 00m

$231

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Wed 1/7

2:15 pm-10:30 pm

2 stops7h 15m

Detroit Metropolitan Wayne County

Sat 1/10

7:00 am-4:50 pm

2 stops10h 50m

$252

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/8

6:30 am-1:21 pm

1 stop5h 51m

$96

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 1/22

9:57 am-6:59 pm

2 stops8h 02m

$101

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Tue 2/17

6:40 pm-9:10 pm

Nonstop1h 30m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 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
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
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 St. Louis-Detroit 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 flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Detroit flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Detroit 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 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

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

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Detroit. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from St. Louis to Detroit (average of $48). Flying from St. Louis to Detroit in April is currently the most expensive (average of $250). 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 DTT?

One of the essential ways to save on airfare from St. Louis to Detroit is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 69% on airfare.

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

Travelers seeking maximum savings on their St. Louis to Detroit 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.

How much does it cost to fly round-trip from St. Louis to Detroit?

Reviews of airlines servicing Detroit

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

Southwest

7.9

Good

4,249 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

7.9

Good

4,249 reviews

Southwest

7.9

Good

4,249 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

8,006 reviews

Southwest

7.9

Good

4,249 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

8,191 reviews

Southwest

7.9

Good

4,249 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?
You will need to book a flight from Lambert-St Louis to Detroit All airports if you want to fly from St. Louis to Detroit. At least 3 different airlines have flights from Lambert-St Louis (STL) to All airports (DTT) on a regular basis. There are 9 flights to Detroit from the St. Louis airport per day. If you manage to book one that is nonstop, then you can expect the flight time from STL to DTT to be around 1h 30m.
How long is the flight from St. Louis to Detroit?
There are many flights that can get you from St. Louis to Detroit in 5h 51m. Fly via Frontier or United Airlines to get the fastest option. The distance between St. Louis and Detroit is about 439 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from St. Louis to Detroit round-trip?
Currently priced at $38, Spirit Airlines will fly you from St. Louis to Detroit and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from $75 and $119, respectively. 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 one-way?
One-way options have recently been found by users for as low as $30 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $60 and Delta from $75 one-way.
What are the most reliable airlines from St. Louis to Detroit?
Consider Endeavor Airlines (100%), Virgin Atlantic (86%) or Korean Air (84%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Detroit.
What are the cheapest flights from St. Louis to Detroit?
Looking at all options, your cheapest flight can be booked for $168. While the most popular route (Lambert-St Louis - Detroit Metropolitan Wayne County) can be booked for $145 on average, our data indicates $933 when flying from St. Louis to Detroit.
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?
Currently, June is the cheapest month in which you can book a flight from St. Louis to Detroit (average of $48). Flying from St. Louis to Detroit in April is currently the most expensive (average of $250). 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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Port Huron

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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$277	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$119	Average$299	FlexibilityNo cancel fee	On-timeN/A

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$64+ Cheap flights from St. Louis to Detroit (STL - DTT)

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 2/21. 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 All airports are usually found in August or July, booked 50 days in advance, depart on a Friday or Thursday and return on a Thursday

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 18, 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 18, 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 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

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

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 December 12, 2025.

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

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

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 December 18, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Detroit. Price data was last updated on December 13, 2025.

How much does it cost to fly round-trip from St. Louis to Detroit?

Reviews of airlines servicing Detroit

Peruse reviews from past customers who have flown with Southwest, Delta, and Spirit Airlines from St. Louis to Detroit to help guide your decision. 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 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?

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

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

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

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

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?

Traveling to a place near Detroit?

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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.

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 18, 2025.