$91+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SDF
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from Detroit to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Detroit to Louisville
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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 August 29, 2026.
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 August 29, 2026.
This Southwest deal was found by Cheapflights users on 8/27. 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.
Mon 10/55:35 pm -
1 stop6h 40m
Thu 10/83:35 pm -
1 stop6h 10m
Deal found 8/27![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 8/25. 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 10/132:25 pm -
1 stop5h 45m
Fri 10/166:15 pm -
1 stop4h 45m
Deal found 8/25![Southwest logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 11/16:38 pm -
1 stop16h 56m
Sun 11/88:37 pm -
1 stop12h 15m
Deal found 8/29![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/186:52 pm -
1 stop15h 19m
Sun 9/209:09 pm -
1 stop13h 34m
Deal found 8/24![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/256:51 pm -
1 stop15h 20m
Sun 9/279:09 pm -
1 stop13h 34m
Deal found 8/27![Multiple Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 8/26. 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 10/1411:05 am -
2 stops9h 05m
Sat 10/177:05 am -
2 stops11h 10m
Deal found 8/26![Southwest logo]()
$332
Best flights from Detroit to LouisvilleDiscover 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 August 29, 2026.
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 August 29, 2026.
This Southwest deal was found by Cheapflights users on 8/26. 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.
Mon 10/55:35 pm -
1 stop6h 35m
Thu 10/83:35 pm -
1 stop6h 05m
Deal found 8/26![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 8/24. 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.
Wed 9/308:25 am -
Nonstop1h 27m
Sun 10/410:32 am -
Nonstop1h 25m
Deal found 8/24![Delta logo]()
$469
This Southwest deal was found by Cheapflights users on 8/25. 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.
Mon 9/211:20 pm -
2 stops7h 15m
Thu 9/243:20 pm -
1 stop3h 15m
Deal found 8/25![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 8/24. 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 9/305:35 am -
1 stop7h 05m
Sun 10/45:50 pm -
1 stop5h 20m
Deal found 8/24![Southwest logo]()
$341
This Southwest deal was found by Cheapflights users on 8/26. 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.
Fri 9/251:20 pm -
2 stops7h 15m
Sun 9/274:10 pm -
1 stop5h 25m
Deal found 8/26![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 8/28. 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.
Fri 10/232:45 pm -
2 stops9h 30m
Tue 10/275:45 am -
1 stop6h 45m
Deal found 8/28![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 8/27. 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 10/1110:35 am -
1 stop7h 55m
Sun 10/185:50 am -
1 stop6h 35m
Deal found 8/27![Southwest logo]()
$425
This Southwest deal was found by Cheapflights users on 8/27. 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.
Sat 9/266:35 am -
2 stops5h 30m
Sun 9/274:10 pm -
2 stops6h 55m
Deal found 8/27![Southwest logo]()
$431
This Southwest deal was found by Cheapflights users on 8/26. 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.
Fri 9/181:20 pm -
2 stops9h 20m
Sun 9/208:40 am -
2 stops10h 15m
Deal found 8/26![Southwest logo]()
$461
Last-minute flights from Detroit to LouisvilleDiscover last-minute flight deals from Detroit to Louisville. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Louisville. Data last updated August 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/811:17 am -
1 stop22h 54m
Fri 9/119:42 pm -
2 stops17h 51m
Deal found 8/24![Multiple Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 8/24. 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 9/155:35 am -
1 stop7h 05m
Wed 9/168:45 am -
1 stop6h 15m
Deal found 8/24![Southwest logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/186:52 pm -
1 stop15h 19m
Sun 9/209:09 pm -
1 stop13h 34m
Deal found 8/24![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/256:51 pm -
1 stop15h 20m
Sun 9/279:09 pm -
1 stop13h 34m
Deal found 8/27![Multiple Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 8/27. 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.
Sat 9/262:50 pm -
1 stop6h 35m
Sun 9/275:40 am -
1 stop6h 55m
Deal found 8/27![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 8/24. 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 9/305:35 am -
1 stop7h 05m
Sun 10/45:50 pm -
1 stop5h 20m
Deal found 8/24![Southwest logo]()
$341
One-way flights from Detroit to LouisvilleSearch for one-way flight options from Detroit to Louisville. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
Search for one-way flight options from Detroit to Louisville. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/256:51 pm -
1 stop15h 20m
Deal found 8/24![Multiple Airlines logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/236:51 pm -
1 stop15h 20m
Deal found 8/24![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/306:53 pm -
1 stop15h 18m
Deal found 8/28![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/284:29 pm -
2 stops28h 00m
Deal found 8/26![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/307:55 pm -
2 stops39h 04m
Deal found 8/27![Multiple Airlines logo]()
$136
This Southwest deal was found by Cheapflights users on 8/27. 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.
Sat 9/262:50 pm -
1 stop6h 35m
Deal found 8/27![Southwest logo]()
$139
This Southwest deal was found by Cheapflights users on 8/28. 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.
Fri 11/275:45 am -
1 stop6h 25m
Deal found 8/28![Southwest logo]()
$152
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 August 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Southwest) |
One-way from | $91 (Kiwi.com) |
Popular in | April |
Cheapest in | October |
Average price | $439 |
Good round-trip deal | $469 or less |
Good one-way deal | $333 or less |
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 7,457,451 searches. Data last updated August 29, 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
Cheapest round-trip
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Mon 10/5
5:35 pm-12:10 am
1 stop6h 35m
Louisville Intl
Thu 10/8
3:35 pm-9:40 pm
1 stop6h 05m
$277
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Mon 9/21
1:20 pm-8:35 pm
2 stops7h 15m
Louisville Intl
Thu 9/24
3:20 pm-6:35 pm
1 stop3h 15m
$282
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Wed 9/30
5:35 am-12:40 pm
1 stop7h 05m
Louisville Intl
Sun 10/4
5:50 pm-11:10 pm
1 stop5h 20m
$341
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Fri 9/25
1:20 pm-8:35 pm
2 stops7h 15m
Louisville Intl
Sun 9/27
4:10 pm-9:35 pm
1 stop5h 25m
$369
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Fri 10/23
2:45 pm-12:15 am
2 stops9h 30m
Louisville Intl
Tue 10/27
5:45 am-12:30 pm
1 stop6h 45m
$370
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Sun 10/11
10:35 am-6:30 pm
1 stop7h 55m
Louisville Intl
Sun 10/18
5:50 am-12:25 pm
1 stop6h 35m
$425
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Sat 9/26
6:35 am-12:05 pm
2 stops5h 30m
Louisville Intl
Sun 9/27
4:10 pm-11:05 pm
2 stops6h 55m
$431
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Fri 9/18
1:20 pm-10:40 pm
2 stops9h 20m
Louisville Intl
Sun 9/20
8:40 am-6:55 pm
2 stops10h 15m
$461
Quickest round-trip
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Wed 9/30
8:25 am-9:52 am
Nonstop1h 27m
Louisville Intl
Sun 10/4
10:32 am-11:57 am
Nonstop1h 25m
$469
Cheapest one-way
DetroitLouisville
DTW Detroit Metropolitan Wayne County - SDF Louisville Intl
DTWSDF
Detroit Metropolitan Wayne County
Fri 9/25
6:51 pm-10:11 am
1 stop15h 20m
$91
Showing 1-10 of 18 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
DTT-SDF
DTW-SDF
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
DTT-SDF
DTW-SDF
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 $358). Flying from Detroit to Louisville in July is currently the most expensive (average of $1,277). 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 August 29, 2026.
It’s optimal to fly from Detroit to Louisville at noon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the morning.
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 August 29, 2026.
The most flights from DTT to SDF are scheduled on a Friday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
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 August 29, 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.
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayLaura,Aug 2023
DTW - BOS
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayLaura,Aug 2023
DTW - BOS
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.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
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Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 29, 2026.
Detroit and Louisville flights
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Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on August 29, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Detroit to Louisville
Discover the top airline 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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$319 | Average$599 | FlexibilityNo cancel fee | On-timeN/A |