$91 Cheap Flights from Detroit (DTW) to Louisville (SDF)

View $91 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)

Cheap Flights from Detroit to Louisville (DTW-SDF)

Prices were available within the past 7 days and start at $91 for one-way flights and $173 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Jan 29 - Fri, Feb 6
DTW
Detroit
SDF
Louisville
$173 Roundtrip, found 5 days ago
$173
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jan 29 from Detroit to Louisville, returning Fri, Feb 6, priced at $173 found 5 days ago
Southwest Airlines
Mon, Dec 8 - Wed, Dec 10
DTW
Detroit
SDF
Louisville
$224 Roundtrip, found 5 days ago
$224
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Detroit to Louisville, returning Wed, Dec 10, priced at $224 found 5 days ago
Southwest Airlines
Thu, Jan 29 - Fri, Feb 6
DTW
Detroit
SDF
Louisville
$226 Roundtrip, found 5 days ago
$226
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, Jan 29 from Detroit to Louisville, returning Fri, Feb 6, priced at $226 found 5 days ago
American Airlines
Thu, Jan 1 - Mon, Jan 5
DTW
Detroit
SDF
Louisville
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 1 from Detroit to Louisville, returning Mon, Jan 5, priced at $227 found 1 day ago
Southwest Airlines
Thu, Jan 29 - Fri, Feb 6
DTW
Detroit
SDF
Louisville
$232 Roundtrip, found 5 days ago
$232
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, Jan 29 from Detroit to Louisville, returning Fri, Feb 6, priced at $232 found 5 days ago
Southwest Airlines
Tue, Jan 20 - Wed, Jan 28
DTW
Detroit
SDF
Louisville
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Detroit to Louisville, returning Wed, Jan 28, priced at $237 found 6 days ago
Southwest Airlines
Tue, Jan 20 - Wed, Jan 28
DTW
Detroit
SDF
Louisville
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Detroit to Louisville, returning Wed, Jan 28, priced at $237 found 6 days ago
Southwest Airlines
Tue, Jan 20 - Wed, Jan 28
DTW
Detroit
SDF
Louisville
$240 Roundtrip, found 6 days ago
$240
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Detroit to Louisville, returning Wed, Jan 28, priced at $240 found 6 days ago
United
Tue, Jan 20 - Wed, Jan 28
DTW
Detroit
SDF
Louisville
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 20 from Detroit to Louisville, returning Wed, Jan 28, priced at $272 found 6 days ago
Delta
Thu, Nov 27 - Fri, Nov 28
DTW
Detroit
SDF
Louisville
$319 Roundtrip, found 1 hour ago
$319
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Nov 27 from Detroit to Louisville, returning Fri, Nov 28, priced at $319 found 1 hour ago

Find the cheapest month to fly from Detroit (DTW) to Louisville (SDF)

September is typically the cheapest month to fly

From $108 - $502 per traveler.

Alternative airports near Louisville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Louisville Intl. SDF. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $499
SDF
Louisville Intl.
CheapestClosest
Average driving time to city center9 min
Flights from $499

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF) cost?
Lock in a cheap one-way flight from $91 or cheap return flight from $173 from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
Flying in January may help you find better deals, as it's the cheapest month for flights between DTW and SDF. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
When flying out of Detroit Metropolitan Wayne County Airport (DTW), you can hop on a nonstop flight to Louisville Intl. Airport (SDF) with Delta Air Lines.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
To find the cheapest airline flying from DTW to SDF, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
Every day on average, 2 nonstop flights take off from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF). Select the departure time that works for you.
What are the most popular departure times for flights from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
Flights between DTW and SDF are busiest at 10 AM. If you'd like a quieter experience and possibly cheaper prices, look for a departure that's outside typical rush times.
What day of the week has the most flights from DTW to SDF?
If you fly on a Wednesday, you'll get the largest range of options for flights from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF).
What is the earliest flight from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
The earliest flight taking off from Detroit Metropolitan Wayne County Airport (DTW) is at around 10:00AM UTC-5. Board this flight and you'll arrive at Louisville Intl. Airport (SDF) at approximately 11:31AM UTC-5. The total flight duration is 1h 31m.
How long does it take to fly from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
It takes around 1 hour and 30 minutes to travel the 310 mi from DTW to SDF.
What airline has the least delays from DTW to SDF?
Consider traveling with Delta Air Lines if you'd like to fly straight from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF) without any holdups. This airline has the best track record for punctuality, with an on-time score of 81%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
Choose a flight from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Louisville from Detroit Metropolitan Wayne County Airport (DTW)?
Browse your flight options from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF). This is the only Louisville airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF) last-minute?
Holding off until just before your departure to book a ticket from DTW to SDF generally means paying more. While you may come across some last-minute deals, there's no guarantee. Be flexible with your itinerary for a better chance of getting a bargain.
Is it cheaper to book a DTW to SDF flight and hotel package?
You'll generally save money by booking a DTW to SDF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Louisville Intl. Airport (SDF)?
In most instances, you're able to cancel or reschedule your DTW to SDF flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$173
Distance
306 mi
Average flight time
1 hour 24 mins

Book with confidence

Detroit to Louisville Flights

The cheapest times to fly from Detroit to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Louisville are during the month of January. You can find some of the cheapest flights from Detroit to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Louisville

Sunday is one of the best days to book for cheap flights from Detroit to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $91 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Detroit to Louisville Flights

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*Available to One Key members.