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$101+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SDF
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
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 December 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Sat 12/136:12 pmDTW - SDF
1 stop26h 24mMultiple Airlines
Fri 1/161:55 pmSDF - DTW
1 stop9h 46mMultiple Airlines
Deal found 12/11$342
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/316:00 amDTW - SDF
1 stop17h 59mSpirit Airlines
Sun 1/45:05 amSDF - DTW
2 stops51h 46mSpirit Airlines
Deal found 12/12$385
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/302:43 pmDTW - SDF
1 stop8h 06mMultiple Airlines
Thu 1/12:55 pmSDF - DTW
2 stops24h 33mMultiple Airlines
Deal found 12/12$386
This American Airlines deal was found by Cheapflights users on 12/12. 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.
Wed 12/3112:48 pmDTW - SDF
1 stop9h 06mAmerican Airlines
Sun 1/45:49 pmSDF - DTW
1 stop6h 06mAmerican Airlines
Deal found 12/12$389
This Delta deal was found by Cheapflights users on 12/13. 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.
Sun 12/2811:46 amDTW - SDF
Nonstop1h 26mDelta
Sat 1/31:52 pmSDF - DTW
Nonstop1h 27mDelta
Deal found 12/13$429
This Delta deal was found by Cheapflights users on 12/12. 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.
Fri 12/264:00 pmDTW - SDF
Nonstop1h 26mDelta
Tue 12/306:06 pmSDF - DTW
Nonstop1h 31mDelta
Deal found 12/12$439
This Southwest deal was found by Cheapflights users on 12/13. 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.
Sun 12/285:10 amDTW - SDF
1 stop7h 40mSouthwest
Sat 1/35:35 pmSDF - DTW
1 stop6h 50mSouthwest
Deal found 12/13$453
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Sat 12/275:49 amDTW - SDF
1 stop4h 14mUnited Airlines
Wed 12/319:05 amSDF - DTW
1 stop4h 10mUnited Airlines
Deal found 12/12$459
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/2612:09 pmDTW - SDF
2 stops35h 50mMultiple Airlines
Tue 12/305:05 amSDF - DTW
1 stop16h 51mMultiple Airlines
Deal found 12/12$464
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Tue 12/305:45 amDTW - SDF
2 stops7h 28mUnited Airlines
Thu 1/12:00 pmSDF - DTW
2 stops9h 56mUnited Airlines
Deal found 12/12$469

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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$222
(Kiwi.com)

One-way from

$101
(Kiwi.com)

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 December 14, 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

Tue 1/13

7:00 am-1:00 pm

1 stop30h 00m

Louisville Intl

Thu 1/15

3:36 pm-11:59 pm

1 stop8h 23m

$222

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 1/30

5:15 am-1:00 pm

1 stop7h 45m

Louisville Intl

Sun 2/1

3:36 pm-10:05 am

1 stop18h 29m

$295

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 1/30

5:05 am-6:04 pm

2 stops12h 59m

Louisville Intl

Sun 2/1

3:36 pm-12:19 am

3 stops32h 43m

$299

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 1/1

5:30 am-5:19 pm

1 stop11h 49m

Louisville Intl

Tue 1/6

6:27 am-5:25 pm

1 stop10h 58m

$335

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Tue 1/13

5:25 am-12:15 pm

2 stops6h 50m

Louisville Intl

Thu 1/15

11:40 am-11:00 pm

2 stops11h 20m

$336

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 5/7

8:00 am-2:38 pm

1 stop6h 38m

Louisville Intl

Sun 5/10

3:33 pm-11:59 pm

1 stop8h 26m

$336

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 5/7

8:15 pm-9:37 pm

Nonstop1h 22m

Louisville Intl

Sun 5/10

7:20 am-8:46 am

Nonstop1h 26m

$339

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 1/30

7:45 pm-9:15 pm

Nonstop1h 30m

Louisville Intl

Sun 2/1

10:41 am-12:04 pm

Nonstop1h 23m

$339

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 1/16

8:25 am-10:01 am

Nonstop1h 36m

Louisville Intl

Sun 1/18

7:50 am-9:20 am

Nonstop1h 30m

$339

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Tue 2/10

7:11 pm-1:00 pm

2 stops17h 49m

$103

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 19 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 December 14, 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.

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 December 14, 2025.

The most flights from DTT to SDF are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 December 14, 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
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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 22m for a nonstop flight. There are 12 flights from All airports to Louisville per day from 3 airlines.

  • How long is the flight from Detroit to Louisville?

    Spirit Airlines, American Airlines, and Southwest can get you from Detroit to Louisville in just under 6h 50m. Your travel time can differ by up to 23h 10m. 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 $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 Endeavor Airlines (100%), Republic Airways (93%) and Air France (93%).

  • 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 $230.

  • 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 December 14, 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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