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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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SDF
Jun 18 — Jun 251
Thu 6/18
Thu 6/25
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 May 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Sun 8/2311:00 am
DTW
-
SDF
1 stop22h 49m
Multiple Airlines
Sun 8/3011:12 am
SDF
-
DTW
2 stops13h 30m
Multiple Airlines
Deal found 5/18$296
This Southwest deal was found by Cheapflights users on 5/15. 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.
Tue 6/166:40 am
DTW
-
SDF
1 stop5h 25m
Southwest
Tue 6/164:15 pm
SDF
-
DTW
1 stop4h 05m
Southwest
Deal found 5/15$345
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 7/1711:00 am
DTW
-
SDF
1 stop8h 58m
Multiple Airlines
Fri 7/248:48 pm
SDF
-
DTW
1 stop16h 19m
Multiple Airlines
Deal found 5/14$357
This Southwest deal was found by Cheapflights users on 5/17. 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 8/126:00 am
DTW
-
SDF
1 stop6h 10m
Southwest
Sat 8/293:50 pm
SDF
-
DTW
1 stop5h 10m
Southwest
Deal found 5/17$361
This Southwest deal was found by Cheapflights users on 5/17. 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 6/236:40 am
DTW
-
SDF
1 stop5h 25m
Southwest
Thu 6/256:05 pm
SDF
-
DTW
1 stop6h 00m
Southwest
Deal found 5/17$370

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 May 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(Kiwi.com)

One-way from

$90
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$509

Good round-trip deal

$479 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. 16% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip 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 May 19, 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
Quickest round-trip

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Tue 7/7

6:40 am-12:05 pm

1 stop5h 25m

Louisville Intl

Wed 7/15

4:15 pm-8:20 pm

1 stop4h 05m

$345

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Wed 8/12

6:00 am-3:15 pm

2 stops9h 15m

Louisville Intl

Wed 8/26

7:05 am-3:00 pm

2 stops7h 55m

$355

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Wed 8/12

6:00 am-12:10 pm

1 stop6h 10m

Louisville Intl

Sat 8/29

3:50 pm-9:00 pm

1 stop5h 10m

$361

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Tue 6/23

6:40 am-12:05 pm

1 stop5h 25m

Louisville Intl

Thu 6/25

6:05 pm-12:05 am

1 stop6h 00m

$370

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 6/18

6:55 am-2:55 pm

2 stops8h 00m

Louisville Intl

Wed 6/24

4:15 pm-10:10 pm

2 stops5h 55m

$380

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 6/25

6:30 am-12:00 pm

1 stop5h 30m

Louisville Intl

Thu 6/25

3:35 pm-9:00 pm

1 stop5h 25m

$395

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 6/26

8:40 am-2:55 pm

1 stop6h 15m

Louisville Intl

Fri 6/26

6:05 pm-12:05 am

1 stop6h 00m

$395

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 6/18

6:55 am-2:55 pm

2 stops8h 00m

Louisville Intl

Sun 6/21

6:25 pm-11:10 pm

1 stop4h 45m

$400

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 6/26

6:55 am-2:55 pm

2 stops8h 00m

Louisville Intl

Sun 6/28

2:30 pm-5:40 pm

1 stop3h 10m

$400

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 7/2

1:25 pm-10:25 pm

2 stops9h 00m

Louisville Intl

Sun 7/5

8:45 am-7:15 pm

2 stops10h 30m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 22 resultsSorted by cheapest first
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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 May.
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, August 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 May 19, 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.

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 May 19, 2026.

The most flights from DTT to SDF are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 on average).

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 May 19, 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
8,452 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,452 reviews
Delta
7.9
Good
8,452 reviews

Comfort

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 24m for a nonstop flight. There are 13 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 5h 25m. 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 $110. Another option worth looking into is Delta, starting at $299 round trip. Spirit Airlines is priced at 77% 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 Korean Air (85%), WestJet (80%) and Republic Airways (77%).

  • What are the cheapest flights from Detroit to Louisville?

    On average you can expect to pay $607 for a flight from Detroit to Louisville. The cheapest flight overall is $439 while the most popular route, (Detroit Metropolitan Wayne County - Louisville Intl) is currently priced at $296.

  • 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, August 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
Shepherdsville
Elizabethtown
Corydon
Jeffersonville
Bardstown

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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 May 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$206FlexibilityNo cancel feeOn-time65%
DeltaCheapest$299Average$499FlexibilityNo cancel feeOn-timeN/A

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