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$90+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SDF
janv. 16 — janv. 231
ven. 1/16
ven. 1/23
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 décembre 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
mer. 12/316:00 amDTW - SDF
1 stop17h 59mMultiple Airlines
sam. 1/35:05 amSDF - DTW
2 stops19h 17mMultiple Airlines
Deal found 12/16$426
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
mar. 12/302:43 pmDTW - SDF
1 stop8h 06mMultiple Airlines
jeu. 1/12:55 pmSDF - DTW
2 stops24h 33mMultiple Airlines
Deal found 12/15$436
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
mer. 12/316:00 amDTW - SDF
1 stop17h 59mMultiple Airlines
dim. 1/42:55 pmSDF - DTW
2 stops41h 12mMultiple Airlines
Deal found 12/16$437
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3011:46 amDTW - SDF
Nonstop1h 26mDelta
sam. 1/37:25 amSDF - DTW
Nonstop1h 32mDelta
Deal found 12/15$439
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:13 pmDTW - SDF
1 stop5h 43mDelta
jeu. 1/17:25 amSDF - DTW
Nonstop1h 32mDelta
Deal found 12/15$449
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/301:56 pmDTW - SDF
1 stop6h 36mUnited Airlines
ven. 1/25:40 amSDF - DTW
1 stop4h 53mUnited Airlines
Deal found 12/15$459
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:45 amDTW - SDF
2 stops7h 28mUnited Airlines
sam. 1/39:05 amSDF - DTW
1 stop4h 10mUnited Airlines
Deal found 12/15$464
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/315:19 amDTW - SDF
1 stop4h 10mDelta
sam. 1/31:52 pmSDF - DTW
Nonstop1h 27mDelta
Deal found 12/16$469
This Southwest deal was found by Cheapflights users on 12/16. 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.
mer. 12/311:15 pmDTW - SDF
1 stop3h 55mSouthwest
sam. 1/37:05 pmSDF - DTW
1 stop5h 45mSouthwest
Deal found 12/16$479
This Southwest deal was found by Cheapflights users on 12/15. 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.
mar. 12/305:10 amDTW - SDF
1 stop7h 40mSouthwest
ven. 1/21:30 pmSDF - DTW
2 stops10h 50mSouthwest
Deal found 12/15$496

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 décembre 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$195
(Kiwi.com)

One-way from

$90
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$697

Good one-way deal

$598 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. 17% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 décembre 17, 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

mar. 1/20

5:15 pm-1:00 pm

1 stop19h 45m

Louisville Intl

dim. 1/25

3:36 pm-1:30 pm

2 stops21h 54m

$195

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

mar. 1/6

6:40 pm-11:59 pm

1 stop29h 19m

Louisville Intl

mar. 1/13

3:36 pm-1:06 pm

2 stops21h 30m

$232

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

mar. 1/13

11:00 am-1:00 pm

3 stops26h 00m

Louisville Intl

jeu. 1/15

3:36 pm-9:46 am

2 stops18h 10m

$233

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

mar. 2/3

10:07 pm-1:00 pm

2 stops14h 53m

Louisville Intl

jeu. 2/5

3:36 pm-9:46 am

2 stops18h 10m

$234

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

ven. 1/16

5:15 am-1:00 pm

1 stop7h 45m

Louisville Intl

ven. 1/23

1:55 pm-11:41 pm

1 stop9h 46m

$273

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

mar. 1/13

8:00 am-11:19 pm

1 stop15h 19m

Louisville Intl

jeu. 1/15

8:06 am-5:25 pm

1 stop9h 19m

$303

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

mar. 1/6

5:25 am-12:15 pm

2 stops6h 50m

Louisville Intl

mar. 1/13

6:45 am-3:05 pm

2 stops8h 20m

$323

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

mar. 1/20

5:25 am-12:15 pm

2 stops6h 50m

Louisville Intl

jeu. 1/22

5:35 am-3:30 pm

2 stops9h 55m

$332

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

mar. 1/20

6:30 pm-10:10 pm

1 stop3h 40m

Louisville Intl

dim. 1/25

6:25 am-11:55 am

1 stop5h 30m

$344

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

lun. 1/19

7:46 pm-2:41 pm

2 stops18h 55m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 17 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Louisville flight deals on Cheapflights vs. eDreams >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 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 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 $315). 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 décembre 17, 2025.

It’s optimal to fly from Detroit to Louisville in the morning. By choosing this option you can save up to 30% 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 décembre 17, 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
8,008 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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 20m for a nonstop flight. There are 9 flights from All airports to Louisville per day from 3 airlines.

  • How long is the flight from Detroit to Louisville?

    Spirit Airlines can get you from Detroit to Louisville in just under 19h 45m. 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. 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 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 Republic Airways (91%), KLM (83%) and Air France (81%).

  • What are the cheapest flights from Detroit to Louisville?

    On average you can expect to pay $598 for a flight from Detroit to Louisville. The cheapest flight overall is $248 while the most popular route, (Detroit Metropolitan Wayne County - Louisville Intl) is currently priced at $195.

  • 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 $315). 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

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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 décembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$210FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$222Average$334FlexibilityNo cancel feeOn-time63%
DeltaCheapest$299Average$439FlexibilityNo cancel feeOn-timeN/A

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