HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$97+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SDF
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Detroit to Louisville with Cheapflights

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/30. 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.
Fri 11/146:12 amDTW - SDF
2 stops12h 04mSpirit Airlines
Mon 11/177:11 pmSDF - DTW
2 stops23h 30mSpirit Airlines
Deal found 10/30$217
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/136:12 amDTW - SDF
2 stops26h 52mMultiple Airlines
Mon 11/177:11 pmSDF - DTW
1 stop16h 45mMultiple Airlines
Deal found 10/29$220
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Thu 11/136:12 amDTW - SDF
2 stops12h 04mSpirit Airlines
Mon 11/177:11 pmSDF - DTW
2 stops23h 30mSpirit Airlines
Deal found 10/29$225
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Thu 11/139:39 pmDTW - SDF
2 stops20h 37mSpirit Airlines
Sun 11/167:11 pmSDF - DTW
2 stops22h 01mSpirit Airlines
Deal found 10/30$253
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Thu 12/45:50 amDTW - SDF
2 stops14h 46mMultiple Airlines
Fri 12/511:55 amSDF - DTW
1 stop12h 24mMultiple Airlines
Deal found 10/30$259
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/272:52 pmDTW - SDF
1 stop20h 11mMultiple Airlines
Thu 12/49:26 pmSDF - DTW
1 stop16h 29mMultiple Airlines
Deal found 10/30$262
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Wed 11/129:39 pmDTW - SDF
2 stops20h 37mSpirit Airlines
Fri 11/147:11 pmSDF - DTW
2 stops14h 08mSpirit Airlines
Deal found 10/29$267
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:29 amDTW - SDF
1 stop4h 30mAmerican Airlines
Mon 12/86:30 amSDF - DTW
1 stop13h 30mAmerican Airlines
Deal found 10/30$271
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/128:05 pmDTW - SDF
1 stop22h 11mMultiple Airlines
Sun 11/168:53 pmSDF - DTW
2 stops14h 36mMultiple Airlines
Deal found 10/29$280

Cheap 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 October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$217
(Mytrip)

One-way from

$97
(American Airlines)

Popular in

October

Cheapest in

August

Average price

$548

Good round-trip deal

$498 or less

Good one-way deal

$408 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. 12% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 2025.
Use the filters below to find and compare flights from Detroit to Louisville that are best for you.

Fly from

Detroit

Fly to

Louisville

Route

Depart

Return

Price

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 12/4

12:55 pm-4:35 pm

1 stop3h 40m

Louisville Intl

Thu 12/4

7:05 pm-10:40 pm

1 stop3h 35m

$319

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sat 1/24

7:00 am-12:10 pm

1 stop5h 10m

Louisville Intl

Sat 1/24

1:20 pm-5:20 pm

1 stop4h 00m

$335

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Wed 11/12

8:05 pm-6:16 pm

1 stop22h 11m

Louisville Intl

Fri 11/14

9:54 am-10:58 pm

2 stops13h 04m

$337

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 12/4

7:45 pm-9:13 pm

Nonstop1h 28m

Louisville Intl

Mon 12/8

7:50 am-9:21 am

Nonstop1h 31m

$339

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sat 11/29

8:25 am-9:59 am

Nonstop1h 34m

Louisville Intl

Sat 12/6

10:44 am-12:15 pm

Nonstop1h 31m

$339

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 1/23

7:45 pm-9:15 pm

Nonstop1h 30m

Louisville Intl

Mon 1/26

6:53 pm-8:26 pm

Nonstop1h 33m

$339

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 12/4

7:45 pm-9:13 pm

Nonstop1h 28m

Louisville Intl

Sun 12/7

7:50 am-9:21 am

Nonstop1h 31m

$339

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 12/5

7:45 pm-9:13 pm

Nonstop1h 28m

Louisville Intl

Sun 12/7

7:50 am-9:21 am

Nonstop1h 31m

$339

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Tue 12/23

9:25 pm-10:58 pm

Nonstop1h 33m

Louisville Intl

Thu 12/25

6:00 am-10:29 am

1 stop4h 29m

$349

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Wed 12/10

1:01 pm-10:56 pm

1 stop9h 55m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 21 results
1
2
3

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice 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 Detroit-Louisville flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Detroit-Louisville flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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 $75). Flying from Detroit to Louisville in January is currently the most expensive (average of $369). 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 October 30, 2025.

It’s optimal to fly from Detroit to Louisville in the morning. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight at noon.

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

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 October 30, 2025.
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
7,998 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 3 flights from All airports to Louisville per day from 3 airlines.

  • How long is the flight from Detroit to Louisville?

    Southwest and Delta can get you from Detroit to Louisville in just under 1h 28m. Your travel time can differ by up to 2h 12m. The distance from Detroit to Louisville is about 306 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $110. Additional round-trip tickets that might be worth considering are offered by Southwest and Delta, with the lowest prices starting at $222 and $299, respectively. Spirit Airlines is priced at 73% 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 Sun Country Air (100%), Spirit Airlines (100%) and Aeromexico (98%).

  • What are the cheapest flights from Detroit to Louisville?

    On average you can expect to pay $498 for a flight from Detroit to Louisville. The cheapest flight overall is $408 while the most popular route, (Detroit Metropolitan Wayne County - Louisville Intl) is currently priced at $222.

  • 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 $75). Flying from Detroit to Louisville in January is currently the most expensive (average of $369). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Nashville flights
Detroit to Nashville flights
O'Hare Intl to Cincinnati flights
O'Hare Intl to Knoxville flights
Midway to Nashville flights
Midway to Cincinnati flights
Grand Rapids to Nashville flights
Detroit to Knoxville flights
O'Hare Intl to Lexington flights
Flint to Nashville flights
South Bend to Nashville flights
O'Hare Intl to Louisville flights
Midway to Knoxville flights
Detroit to Louisville flights
Detroit to Cincinnati flights
Kalamazoo to Nashville flights
Midway to Louisville flights
Grand Rapids to Knoxville flights
Midway to Lexington flights
Grand Rapids to Cincinnati flights
Traverse City to Nashville flights
South Bend to Knoxville flights
Bay City to Nashville flights
Flint to Knoxville flights
Grand Rapids to Louisville flights
Flint to Louisville flights
Detroit to Evansville flights
Flint to Cincinnati flights
O'Hare Intl to Blountville flights
O'Hare Intl to Evansville flights
Lansing to Nashville flights
Detroit to Blountville flights
Lansing to Cincinnati flights
Midway to Blountville flights
O'Hare Intl to Owensboro flights
Detroit to Lexington flights
Sault Ste. Marie to Nashville flights
Kalamazoo to Knoxville flights
Grand Rapids to Lexington flights
O'Hare Intl to Paducah flights
South Bend to Lexington flights
Flint to Lexington flights
Traverse City to Knoxville flights
South Bend to Blountville flights
Lansing to Knoxville flights
Traverse City to Cincinnati flights
Lansing to Louisville flights
Kalamazoo to Louisville flights
Pellston to Nashville flights

Top 3 airlines flying from Detroit to Louisville

Discover the top 3 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$210FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$222Average$344FlexibilityNo cancel feeOn-time63%
DeltaCheapest$299Average$456FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.