How long is the flight from Detroit to Louisville?

American Airlines and Spirit Airlines can get you from Detroit to Louisville in just under 8h 13m. Your travel time can differ by up to 12h 45m. 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 $238 and $299, respectively. Spirit Airlines is priced at 72% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Detroit to Louisville?

Travelers seeking maximum savings on their Detroit to Louisville flight should consider departing on Monday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the cheapest flights from Detroit to Louisville?

On average you can expect to pay $379 for a flight from Detroit to Louisville. The cheapest flight overall is $299 while the most popular route, (Detroit Metropolitan Wayne County - Louisville Intl) is currently priced at $235.

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%), Endeavor Airlines (100%) and Aeromexico (97%).

What are the most popular airlines that fly from Detroit to Louisville?

When booking a flight from Detroit to Louisville, you may want to consider flying on Delta, Spirit Airlines or Southwest as they are the most popular for this route.

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

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.

$97+ Cheap Flights from Detroit to Louisville

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

Airfare is below average for this route at the moment. Detroit to Louisville flights typically cost between $376 and $556 in October. The cheapest round-trip price found within the last 3 days was $183 on American Airlines (Oct 22-Oct 25).

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Cheap flight deals from Detroit to Louisville

Round-trip from	$183 (American Airlines)
One-way from	$97 (American Airlines)
Popular in	July
Cheapest in	August
Average price	$451
Good round-trip deal	$319 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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High demand for flights, 1% potential price rise

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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip 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 September 16, 2025.

Wed 10/225:30 amDTW - SDF

1 stop8h 13mAmerican Airlines

Sat 10/252:21 pmSDF - DTW

1 stop9h 04mAmerican Airlines

Deal found 9/14

$183

Tue 10/79:05 pmDTW - SDF

2 stops19h 31mSpirit Airlines

Sat 10/116:58 pmSDF - DTW

2 stops12h 49mSpirit Airlines

Deal found 9/14

$227

Wed 10/227:22 amDTW - SDF

2 stops9h 14mSpirit Airlines

Sat 10/256:58 pmSDF - DTW

1 stop14h 56mSpirit Airlines

Deal found 9/14

$230

Fri 10/179:15 pmDTW - SDF

1 stop11h 20mMultiple Airlines

Sun 10/196:58 pmSDF - DTW

2 stops12h 49mMultiple Airlines

Deal found 9/15

$235

Tue 11/47:22 amDTW - SDF

2 stops26h 37mMultiple Airlines

Fri 11/76:00 amSDF - DTW

1 stop12h 26mMultiple Airlines

Deal found 9/15

$247

Tue 11/46:29 pmDTW - SDF

1 stop15h 30mSpirit Airlines

Fri 11/76:00 amSDF - DTW

1 stop12h 26mSpirit Airlines

Deal found 9/15

$250

Thu 12/46:00 amDTW - SDF

1 stop5h 17mAmerican Airlines

Mon 12/87:27 amSDF - DTW

1 stop10h 43mAmerican Airlines

Deal found 9/14

$261

Thu 12/43:15 pmDTW - SDF

1 stop8h 30mSpirit Airlines

Sun 12/710:55 amSDF - DTW

1 stop13h 30mSpirit Airlines

Deal found 9/14

$262

Best flights from Detroit to Louisville
Discover carefully curated flight deals from Detroit to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Wed 10/225:30 amDTW - SDF

1 stop8h 13mAmerican Airlines

Sat 10/252:21 pmSDF - DTW

1 stop9h 04mAmerican Airlines

Deal found 9/14

$183

Wed 10/229:05 pmDTW - SDF

2 stops20h 58mSpirit Airlines

Sat 10/256:58 pmSDF - DTW

2 stops13h 14mSpirit Airlines

Deal found 9/14

$227

Fri 10/176:29 pmDTW - SDF

2 stops14h 06mMultiple Airlines

Sun 10/196:58 pmSDF - DTW

3 stops22h 52mMultiple Airlines

Deal found 9/15

$306

Sun 11/212:50 pmDTW - SDF

1 stop8h 50mSouthwest

Tue 11/47:05 pmSDF - DTW

1 stop3h 35mSouthwest

Deal found 9/15

$308

Fri 10/178:25 amDTW - SDF

Nonstop1h 25mDelta

Sun 10/196:05 pmSDF - DTW

Nonstop1h 26mDelta

Deal found 9/15

$319

Tue 11/46:29 pmDTW - SDF

1 stop15h 30mSpirit Airlines

Fri 11/76:00 amSDF - DTW

1 stop12h 26mSpirit Airlines

Deal found 9/15

$250

Thu 12/48:00 amDTW - SDF

2 stops15h 45mSpirit Airlines

Mon 12/810:55 amSDF - DTW

1 stop13h 30mSpirit Airlines

Deal found 9/14

$262

Thu 12/412:16 pmDTW - SDF

1 stop11h 29mSpirit Airlines

Sun 12/710:55 amSDF - DTW

1 stop13h 30mSpirit Airlines

Deal found 9/15

$262

Fri 12/126:00 amDTW - SDF

2 stops17h 45mSpirit Airlines

Sun 12/1410:55 amSDF - DTW

1 stop13h 30mSpirit Airlines

Deal found 9/14

$307

Last-minute flights from Detroit to Louisville
Discover last-minute flight deals from Detroit to Louisville. Data last updated September 16, 2025 and is based on user searches.

Mon 9/291:36 pmDTW - SDF

1 stop19h 43mMultiple Airlines

Fri 10/38:23 amSDF - DTW

2 stops23h 34mMultiple Airlines

Deal found 9/14

$273

Wed 10/17:10 pmDTW - SDF

2 stops19h 05mMultiple Airlines

Wed 10/85:31 pmSDF - DTW

1 stop16h 23mMultiple Airlines

Deal found 9/15

$283

Wed 10/17:35 pmDTW - SDF

1 stop13h 44mSpirit Airlines

Wed 10/85:31 pmSDF - DTW

1 stop16h 23mSpirit Airlines

Deal found 9/15

$287

Tue 10/79:05 pmDTW - SDF

2 stops19h 31mSpirit Airlines

Sat 10/116:58 pmSDF - DTW

2 stops12h 49mSpirit Airlines

Deal found 9/14

$227

Fri 10/179:15 pmDTW - SDF

1 stop11h 20mMultiple Airlines

Sun 10/196:58 pmSDF - DTW

2 stops12h 49mMultiple Airlines

Deal found 9/15

$235

Tue 10/216:45 pmDTW - SDF

1 stop4h 00mSouthwest

Thu 10/238:15 pmSDF - DTW

1 stop3h 20mSouthwest

Deal found 9/15

$290

Wed 10/225:30 amDTW - SDF

1 stop8h 13mAmerican Airlines

Sat 10/252:21 pmSDF - DTW

1 stop9h 04mAmerican Airlines

Deal found 9/14

$183

Wed 10/227:22 amDTW - SDF

2 stops9h 14mSpirit Airlines

Sat 10/256:58 pmSDF - DTW

1 stop14h 56mSpirit Airlines

Deal found 9/14

$230

One-way flights from Detroit to Louisville
Search for one-way flight options from Detroit to Louisville. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Mon 10/131:07 pmDTW - SDF

1 stop9h 56mAmerican Airlines

Deal found 9/14

$97

Tue 10/149:05 pmDTW - SDF

2 stops19h 31mSpirit Airlines

Deal found 9/15

$106

Wed 10/157:22 amDTW - SDF

2 stops9h 14mSpirit Airlines

Deal found 9/16

$112

Thu 12/116:30 amDTW - SDF

1 stop26h 28mMultiple Airlines

Deal found 9/13

$119

Fri 12/129:30 amDTW - SDF

1 stop14h 15mMultiple Airlines

Deal found 9/13

$122

Sun 12/146:30 amDTW - SDF

1 stop26h 28mMultiple Airlines

Deal found 9/13

$125

Wed 10/159:05 pmDTW - SDF

2 stops37h 47mMultiple Airlines

Deal found 9/15

$127

Thu 11/134:00 pmDTW - SDF

1 stop17h 04mMultiple Airlines

Deal found 9/15

$128

Thu 10/28:50 pmDTW - SDF

2 stops36h 29mSpirit Airlines

Deal found 9/15

$129

Tue 11/114:00 pmDTW - SDF

1 stop17h 59mSpirit Airlines

Deal found 9/14

$130

Cheapflights Fare Finder

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

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Wed 10/22

5:30 am-1:43 pm

1 stop8h 13m

Louisville Intl

Sat 10/25

2:21 pm-11:25 pm

1 stop9h 04m

$183

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Wed 10/22

9:05 pm-6:03 pm

2 stops20h 58m

Louisville Intl

Sat 10/25

6:58 pm-8:12 am

2 stops13h 14m

$227

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Tue 11/4

6:29 pm-9:59 am

1 stop15h 30m

Louisville Intl

Fri 11/7

6:00 am-6:26 pm

1 stop12h 26m

$250

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 12/4

8:00 am-11:45 pm

2 stops15h 45m

Louisville Intl

Mon 12/8

10:55 am-12:25 am

1 stop13h 30m

$262

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Thu 12/4

12:16 pm-11:45 pm

1 stop11h 29m

Louisville Intl

Sun 12/7

10:55 am-12:25 am

1 stop13h 30m

$262

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 10/17

6:29 pm-8:35 am

2 stops14h 06m

Louisville Intl

Sun 10/19

6:58 pm-5:50 pm

3 stops22h 52m

$306

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 12/12

6:00 am-11:45 pm

2 stops17h 45m

Louisville Intl

Sun 12/14

10:55 am-12:25 am

1 stop13h 30m

$307

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Sun 11/2

12:50 pm-9:40 pm

1 stop8h 50m

Louisville Intl

Tue 11/4

7:05 pm-10:40 pm

1 stop3h 35m

$308

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Fri 10/17

8:25 am-9:50 am

Nonstop1h 25m

Louisville Intl

Sun 10/19

6:05 pm-7:31 pm

Nonstop1h 26m

$319

DetroitLouisville

DTW - SDF

DTWSDF

Detroit Metropolitan Wayne County

Mon 10/13

1:07 pm-11:03 pm

1 stop9h 56m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results

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?

It’s optimal to fly from Detroit to Louisville in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Detroit to Louisville

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 (2 on average).

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

Reviews of airlines servicing Louisville

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

8.0

Very good

7,957 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,957 reviews

Delta

8.0

Very good

7,957 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 11 flights from All airports to Louisville per day from 3 airlines.
How long is the flight from Detroit to Louisville?
American Airlines and Spirit Airlines can get you from Detroit to Louisville in just under 8h 13m. Your travel time can differ by up to 12h 45m. 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 $238 and $299, respectively. Spirit Airlines is priced at 72% 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%), Endeavor Airlines (100%) and Aeromexico (97%).
What are the cheapest flights from Detroit to Louisville?
On average you can expect to pay $379 for a flight from Detroit to Louisville. The cheapest flight overall is $299 while the most popular route, (Detroit Metropolitan Wayne County - Louisville Intl) is currently priced at $235.
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

Shepherdsville

Jeffersonville

Elizabethtown

Corydon

Bardstown

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Top 3 airlines flying from Detroit to Louisville

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$110	Average$210	FlexibilityNo cancel fee	On-time65%
Southwest	Cheapest$238	Average$354	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$299	Average$459	FlexibilityNo cancel fee	On-timeN/A

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$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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Detroit to Louisville

Cheapest flights from Detroit to LouisvilleExplore 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 September 16, 2025.

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 September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit to Louisville that are best for you.

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.

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?

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 September 16, 2025.

Weekly flight availability from Detroit to Louisville

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

Reviews of airlines servicing Louisville

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.

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?

How long is the flight from Detroit to Louisville?

What are the cheapest airlines flying from Detroit to Louisville round-trip?

What are the most reliable airlines from Detroit to Louisville?

What are the cheapest flights from Detroit to Louisville?

Can I find deals for flights from Detroit to Louisville that include hotel bookings?

How can I find direct flights from Detroit to Louisville?

Can I find deals for business class flights from Detroit to Louisville?

What is the cheapest month to book a flight from Detroit to Louisville?

Traveling to a place near Louisville?

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Alternative routes for Detroit to Louisville

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Top 3 airlines flying from Detroit to Louisville

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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 September 16, 2025.