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$86+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SDF
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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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 June 16, 2025.

Round-trip from

$108
(FlightHub)

One-way from

$86
(Mytrip)

Popular in

November

Cheapest in

August

Average price

$459

Good round-trip deal

$210 or less

Good one-way deal

$398 or less
From Detroit (DTT) to Louisville Intl
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One-way flight from Detroit (DTT) to Louisville Intl
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Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Detroit (DTT) to Louisville Intl.
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Price to beat on a one-way flight from Detroit (DTT) to Louisville Intl.
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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 June 16, 2025.

This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:35 pmDTW - SDF
Nonstop1h 16mSpirit Airlines
Sun 8/242:46 pmSDF - DTW
Nonstop1h 23mSpirit Airlines
Deal found 6/15$108
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/118:56 pmDTW - SDF
1 stop17h 50mMultiple Airlines
Fri 7/182:50 pmSDF - DTW
Nonstop1h 20mMultiple Airlines
Deal found 6/13$161
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/185:15 pmDTW - SDF
Nonstop1h 19mDelta
Mon 7/217:14 pmSDF - DTW
Nonstop1h 31mDelta
Deal found 6/14$200
This Southwest deal was found by Cheapflights users on 6/15. 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.
Thu 8/215:40 amDTW - SDF
2 stops6h 40mSouthwest
Sun 8/245:45 amSDF - DTW
1 stop6h 45mSouthwest
Deal found 6/15$223
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:37 amDTW - SDF
2 stops9h 11mUnited Airlines
Mon 10/610:55 amSDF - DTW
1 stop12h 46mUnited Airlines
Deal found 6/14$326
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:45 amDTW - SDF
1 stop8h 22mAmerican Airlines
Tue 11/111:47 pmSDF - DTW
1 stop7h 23mAmerican Airlines
Deal found 6/13$524

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 June 16, 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 8/21

12:35 pm-1:51 pm

Nonstop1h 16m

Louisville Intl

Sun 8/24

2:46 pm-4:09 pm

Nonstop1h 23m

$108

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 7/11

8:56 pm-2:46 pm

1 stop17h 50m

Louisville Intl

Fri 7/18

2:50 pm-4:10 pm

Nonstop1h 20m

$161

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 7/18

5:15 pm-6:34 pm

Nonstop1h 19m

Louisville Intl

Mon 7/21

7:14 pm-8:45 pm

Nonstop1h 31m

$200

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 8/21

5:40 am-12:20 pm

2 stops6h 40m

Louisville Intl

Sun 8/24

5:45 am-12:30 pm

1 stop6h 45m

$223

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 7/18

8:50 am-1:24 pm

1 stop4h 34m

Louisville Intl

Mon 7/21

6:08 pm-10:05 pm

1 stop3h 57m

$375

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 7/4

5:15 am-12:31 pm

1 stop7h 16m

$86

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 7/4

10:05 am-4:43 pm

1 stop6h 38m

$133

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 6/20

5:25 pm-2:45 pm

1 stop21h 20m

$189

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 7/4

12:30 pm-9:40 pm

2 stops9h 10m

$235

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sat 8/23

7:40 pm-9:02 pm

1 stop25h 22m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 11 results
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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, January is the cheapest month in which you can book a flight from Detroit to Louisville (average of $299). Flying from Detroit to Louisville in April 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 June 16, 2025.

It’s optimal to fly from Detroit to Louisville in the morning. By choosing this option you can save up to 18% 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 June 16, 2025.

The most flights from DTT to SDF are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 16, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Detroit to Louisville by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,963 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,801 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Sun Country Air
6.9
Okay
345 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,061 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 12m for a nonstop flight. There are 16 flights from All airports to Louisville per day from 2 airlines.

  • 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 $108. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $200 and $223, respectively. Spirit Airlines is priced at 72% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Detroit to Louisville one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $86. Sun Country Air flights start at $133 while deals on Southwest start at $235 one-way.

  • 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 $429 for a flight from Detroit to Louisville. The cheapest flight overall is $120 while the most popular route, (Detroit Metropolitan Wayne County - Louisville Intl) is currently priced at $108.

  • 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, January is the cheapest month in which you can book a flight from Detroit to Louisville (average of $299). Flying from Detroit to Louisville in April 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 Detroit?

Book flights to Detroit if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$292Average$368FlexibilityNo cancel feeOn-time63%
DeltaCheapest$299Average$458FlexibilityNo cancel feeOn-timeN/A

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