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$98+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SDF
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
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 July 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:12 am
DTW
-
SDF
1 stop26h 14m
Multiple Airlines
Fri 7/318:48 pm
SDF
-
DTW
1 stop16h 07m
Multiple Airlines
Deal found 7/5$249
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:37 pm
DTW
-
SDF
1 stop17h 12m
Multiple Airlines
Thu 8/2711:12 am
SDF
-
DTW
2 stops25h 43m
Multiple Airlines
Deal found 7/6$259
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:12 am
DTW
-
SDF
1 stop26h 14m
Multiple Airlines
Sat 8/18:06 pm
SDF
-
DTW
2 stops17h 27m
Multiple Airlines
Deal found 7/5$269
This Southwest deal was found by Cheapflights users on 7/2. 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 10/172:10 pm
DTW
-
SDF
1 stop5h 45m
Southwest
Mon 10/195:10 pm
SDF
-
DTW
1 stop6h 45m
Southwest
Deal found 7/2$275
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:35 pm
DTW
-
SDF
2 stops15h 01m
Multiple Airlines
Fri 8/79:10 pm
SDF
-
DTW
1 stop15h 45m
Multiple Airlines
Deal found 7/3$283
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:30 pm
DTW
-
SDF
1 stop14h 41m
Multiple Airlines
Sun 9/209:09 pm
SDF
-
DTW
1 stop13h 53m
Multiple Airlines
Deal found 7/6$302
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:34 pm
DTW
-
SDF
1 stop19h 54m
Multiple Airlines
Sun 8/99:24 pm
SDF
-
DTW
1 stop14h 31m
Multiple Airlines
Deal found 7/4$311
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:12 am
DTW
-
SDF
1 stop26h 14m
Multiple Airlines
Sun 8/211:12 am
SDF
-
DTW
2 stops25h 43m
Multiple Airlines
Deal found 7/5$328

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 July 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Kiwi.com)

One-way from

$98
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$519
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. 8% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 7, 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

Wed 8/26

3:35 pm-8:35 pm

2 stops5h 00m

Louisville Intl

Fri 8/28

2:15 pm-10:35 pm

2 stops8h 20m

$354

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 7/31

5:50 am-12:30 pm

1 stop6h 40m

Louisville Intl

Mon 8/3

5:05 pm-12:20 am

1 stop7h 15m

$395

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sun 8/16

6:30 pm-10:15 pm

1 stop3h 45m

Louisville Intl

Sun 8/23

2:45 pm-8:45 pm

1 stop6h 00m

$395

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 9/18

11:10 am-8:25 pm

2 stops9h 15m

Louisville Intl

Sun 9/20

2:45 pm-11:00 pm

2 stops8h 15m

$405

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 7/31

6:30 am-12:00 pm

1 stop5h 30m

Louisville Intl

Sat 8/1

5:05 pm-10:30 pm

1 stop5h 25m

$415
Quickest round-trip

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sun 8/16

12:25 pm-1:51 pm

Nonstop1h 26m

Louisville Intl

Sun 8/23

5:25 pm-6:58 pm

Nonstop1h 33m

$459

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Wed 9/23

8:25 am-9:52 am

Nonstop1h 27m

Louisville Intl

Mon 9/28

7:55 pm-12:54 am

1 stop4h 59m

$469
Cheapest one-way

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 10/1

2:45 pm-12:10 am

2 stops9h 25m

$152

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sat 10/3

5:45 am-2:55 pm

2 stops9h 10m

$203

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 7/30

5:45 pm-12:30 am

1 stop6h 45m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 17 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 July.
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 $110). Flying from Detroit to Louisville in March is currently the most expensive (average of $479). 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 July 7, 2026.

It’s optimal to fly from Detroit to Louisville in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

What’s the top layover airport for flights from Detroit to Louisville?

Share of 1-stop round-trip flights from Detroit to Louisville chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (MDW) – chosen by Cheapflights users on 75% of 1-stop itineraries from Detroit to Louisville on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Louisville?

Average round-trip fare for 1-stop flights from Detroit to Louisville, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (MDW) is the most affordable 1-stop option, with an average round-trip price of $238.

What’s the fastest layover option from Detroit to Louisville?

Shortest average travel time for 1-stop one-way flights from Detroit to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 3h 30m.

Which airport typically offers the quickest layover for flights from Detroit to Louisville?

Average layover duration for 1-stop one-way flights from Detroit to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (MDW) offer the fastest connection on this route, with an average layover time of 1h 08m.

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 July 7, 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
7.8
Good
8,450 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Delta
7.8
Good
8,450 reviews
Delta
7.8
Good
8,450 reviews

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.

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 25m for a nonstop flight. There are 4 flights from All airports to Louisville per day from 1 airline.

  • How long is the flight from Detroit to Louisville?

    Southwest can get you from Detroit to Louisville in just under 5h. Your travel time can differ by up to . The distance from Detroit to Louisville is about 306 mi.

  • What is the cheapest airline to fly from Detroit to Louisville round-trip?

    Flying on Delta is currently your cheapest option to Louisville, with prices starting at $319. Delta is priced at 42% 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 Virgin Atlantic (83%), Air France (82%) and WestJet (78%).

  • 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 $110). Flying from Detroit to Louisville in March is currently the most expensive (average of $479). 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
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Detroit to Louisville

Discover the top airline 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$319Average$499FlexibilityNo cancel feeOn-timeN/A

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