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$113+ Cheap flights from Detroit to Louisville (DTT - SDF)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SDF
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap flight deals from Detroit to Louisville

Cheapest flights from Detroit to Louisville
Explore the most affordable flight options available from Detroit to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:05 am
DTW
-
SDF
1 stop6h 09m
Multiple Airlines
Fri 4/107:48 pm
SDF
-
DTW
1 stop29h 03m
Multiple Airlines
Deal found 3/22$259
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:05 pm
DTW
-
SDF
1 stop7h 15m
Southwest
Wed 5/67:00 am
SDF
-
DTW
1 stop5h 40m
Southwest
Deal found 3/23$283
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/206:10 am
DTW
-
SDF
1 stop10h 54m
Multiple Airlines
Mon 4/276:06 pm
SDF
-
DTW
2 stops17h 32m
Multiple Airlines
Deal found 3/23$286
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/206:10 am
DTW
-
SDF
1 stop10h 54m
Spirit Airlines
Mon 4/276:06 pm
SDF
-
DTW
1 stop29h 53m
Spirit Airlines
Deal found 3/23$311
This Mytrip deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:30 pm
DTW
-
SDF
1 stop14h 15m
Spirit Airlines
Mon 5/46:06 pm
SDF
-
DTW
2 stops24h 56m
Spirit Airlines
Deal found 3/23$315
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:05 am
DTW
-
SDF
1 stop6h 09m
Spirit Airlines
Tue 4/712:42 pm
SDF
-
DTW
1 stop11h 17m
Spirit Airlines
Deal found 3/20$319
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:35 am
DTW
-
SDF
1 stop7h 05m
Southwest
Wed 4/153:30 pm
SDF
-
DTW
1 stop4h 45m
Southwest
Deal found 3/20$325
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:40 am
DTW
-
SDF
1 stop5h 25m
Southwest
Sat 6/135:05 pm
SDF
-
DTW
1 stop5h 20m
Southwest
Deal found 3/23$326
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:00 pm
DTW
-
SDF
2 stops8h 45m
Southwest
Mon 4/272:40 pm
SDF
-
DTW
2 stops7h 30m
Southwest
Deal found 3/23$327

Find flight deals from Detroit to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(Kiwi.com)

One-way from

$113
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$479

Good round-trip deal

$479 or less

Good one-way deal

$398 or less
Provider with most accurate pricing for Detroit (DTT)-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Louisville Intl flights.
Search Deals
From Detroit (DTT) to Louisville Intl
Search Deals
One-way flight from Detroit (DTT) to Louisville Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to Louisville Intl.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to Louisville Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Detroit to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sat 5/2

5:50 am-12:55 pm

1 stop7h 05m

Louisville Intl

Wed 5/6

6:20 am-3:35 pm

2 stops9h 15m

$288

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sat 4/18

4:05 pm-11:20 pm

1 stop7h 15m

Louisville Intl

Sat 4/25

4:25 pm-11:25 pm

1 stop7h 00m

$355

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Mon 5/4

1:00 pm-9:45 pm

2 stops8h 45m

Louisville Intl

Sat 5/9

6:40 am-1:05 pm

2 stops6h 25m

$366

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 5/7

8:40 am-3:00 pm

1 stop6h 20m

Louisville Intl

Sun 5/10

3:50 pm-11:05 pm

2 stops7h 15m

$380

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 4/23

4:00 pm-9:45 pm

1 stop5h 45m

Louisville Intl

Sun 4/26

5:50 am-12:00 pm

1 stop6h 10m

$395

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 5/22

8:40 am-3:00 pm

1 stop6h 20m

Louisville Intl

Mon 5/25

5:25 pm-10:20 pm

1 stop4h 55m

$395
Quickest round-trip

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 7/2

8:40 am-2:55 pm

1 stop6h 15m

Louisville Intl

Sun 7/5

2:30 pm-5:40 pm

1 stop3h 10m

$395

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sun 4/19

3:50 pm-9:50 pm

1 stop6h 00m

Louisville Intl

Sun 4/26

3:50 pm-9:05 pm

1 stop5h 15m

$395

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sat 5/2

5:50 am-12:55 pm

1 stop7h 05m

Louisville Intl

Tue 5/5

3:45 pm-10:30 pm

1 stop6h 45m

$395

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sat 5/2

4:05 pm-11:20 pm

1 stop7h 15m

Louisville Intl

Mon 5/4

5:25 pm-11:30 pm

2 stops6h 05m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Detroit to Louisville

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 Louisville in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Detroit-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Louisville 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-Louisville 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 Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville 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 Louisville

What is the cheapest month to book a flight from Detroit to Louisville?

Currently, September is the cheapest month in which you can book a flight from Detroit to Louisville (average of $72). Flying from Detroit to Louisville in October is currently the most expensive (average of $283). 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 SDF?

Find hourly flight availability from Detroit to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 24, 2026.

It’s optimal to fly from Detroit to Louisville in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Detroit to Louisville

Explore weekly flight availability from Detroit to Louisville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 24, 2026.

The most flights from DTT to SDF are scheduled on a Tuesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Detroit to Louisville?

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated March 24, 2026.
Read through reviews of airlines operating flights from Detroit to Louisville, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,320 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,320 reviews
Delta
7.9
Good
8,320 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Louisville. 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 Louisville?

    If you book a flight from Detroit to Louisville, you will be flying from All airports to Louisville Intl. Flights to Louisville Intl (SDF) from Detroit All airports (DTT) take 1h 18m for a nonstop flight. There are 12 flights from All airports to Louisville per day from 2 airlines.

  • How long is the flight from Detroit to Louisville?

    Southwest can get you from Detroit to Louisville in just under 7h 05m. Your travel time can differ by up to . The distance from Detroit to Louisville is about 306 mi.

  • What are the cheapest airlines flying from Detroit to Louisville round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Louisville, with prices starting at $41. Another option worth looking into is Delta, starting at $299 round trip. Spirit Airlines is priced at 90% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Detroit to Louisville?

    The top 3 most reliable airlines when flying from Detroit to Louisville are Endeavor Airlines (84%), Republic Airways (78%) and Virgin Atlantic (68%).

  • What are the cheapest flights from Detroit to Louisville?

    On average you can expect to pay $539 for a flight from Detroit to Louisville. The cheapest flight overall is $268 while the most popular route, (Detroit Metropolitan Wayne County - Louisville Intl) is currently priced at $283.

  • Can I find deals for flights from Detroit to Louisville that include hotel bookings?

    Yes. In addition to deals on Detroit to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Louisville.

  • Can I find deals for business class flights from Detroit to Louisville?

    Yes. Cheapflights offers flight deals from Detroit to Louisville 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 Louisville?

    Currently, September is the cheapest month in which you can book a flight from Detroit to Louisville (average of $72). Flying from Detroit to Louisville in October is currently the most expensive (average of $283). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Detroit to Louisville

Discover the top 2 airlines that operate flights from Detroit to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$41Average$206FlexibilityNo cancel feeOn-time65%
DeltaCheapest$299Average$449FlexibilityNo cancel feeOn-timeN/A

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