HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Detroit

$114+ Cheap flights from Louisville to Detroit (SDF - DTT)

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DTT
Apr 26 — May 31
Sun 4/26
Sun 5/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Detroit 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 Louisville to Detroit

Cheapest flights from Louisville to Detroit
Explore the most affordable flight options available from Louisville to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2026.

This Southwest deal was found by Cheapflights users on 3/26. 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 4/245:25 pm
SDF
-
DTW
1 stop4h 55m
Southwest
Sun 4/263:50 pm
DTW
-
SDF
1 stop6h 00m
Southwest
Deal found 3/26$267
This Southwest deal was found by Cheapflights users on 3/24. 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 4/213:30 pm
SDF
-
DTW
1 stop4h 45m
Southwest
Wed 4/226:10 am
DTW
-
SDF
1 stop8h 35m
Southwest
Deal found 3/24$275
This Southwest deal was found by Cheapflights users on 3/24. 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.
Sat 4/183:15 pm
SDF
-
DTW
1 stop6h 10m
Southwest
Tue 4/214:10 pm
DTW
-
SDF
1 stop4h 55m
Southwest
Deal found 3/24$297
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Mon 5/47:48 pm
SDF
-
DTW
2 stops16h 48m
Multiple Airlines
Wed 5/65:25 pm
DTW
-
SDF
1 stop15h 38m
Multiple Airlines
Deal found 3/22$300
This Southwest deal was found by Cheapflights users on 3/25. 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.
Sat 4/253:15 pm
SDF
-
DTW
1 stop6h 10m
Southwest
Mon 4/278:40 am
DTW
-
SDF
1 stop6h 20m
Southwest
Deal found 3/25$309
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/137:48 pm
SDF
-
DTW
1 stop13h 35m
Multiple Airlines
Thu 4/168:43 pm
DTW
-
SDF
2 stops22h 15m
Multiple Airlines
Deal found 3/23$311
This Southwest deal was found by Cheapflights users on 3/26. 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 6/86:05 pm
SDF
-
DTW
1 stop6h 00m
Southwest
Fri 6/125:50 am
DTW
-
SDF
1 stop6h 40m
Southwest
Deal found 3/26$320

Find flight deals from Louisville to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Detroit (DTT). 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 March 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(Southwest)

One-way from

$114
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$647

Good round-trip deal

$398 or less

Good one-way deal

$226 or less
Provider with most accurate pricing for Louisville Intl-Detroit (DTT) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Detroit (DTT) flights.
Search Deals
From Louisville Intl to Detroit (DTT)
Search Deals
One-way flight from Louisville Intl to Detroit (DTT)
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Louisville Intl to Detroit (DTT).
Search Deals
Price to beat on a one-way flight from Louisville Intl to Detroit (DTT).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Detroit 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 March 27, 2026.
Use the filters below to find and compare flights from Louisville to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Tue 4/14

3:30 pm-8:15 pm

1 stop4h 45m

Detroit Metropolitan Wayne County

Fri 4/17

1:00 pm-9:00 pm

1 stop8h 00m

$329

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Fri 4/24

2:40 pm-10:10 pm

2 stops7h 30m

Detroit Metropolitan Wayne County

Sun 4/26

3:50 pm-9:50 pm

1 stop6h 00m

$336

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Mon 5/18

2:40 pm-10:10 pm

2 stops7h 30m

Detroit Metropolitan Wayne County

Thu 5/21

1:00 pm-9:45 pm

2 stops8h 45m

$362

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Fri 5/1

2:40 pm-10:10 pm

2 stops7h 30m

Detroit Metropolitan Wayne County

Sun 5/3

6:00 am-9:20 am

1 stop3h 20m

$383

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Mon 9/21

8:30 am-2:05 pm

1 stop5h 35m

Detroit Metropolitan Wayne County

Mon 9/28

8:55 am-2:25 pm

1 stop5h 30m

$395

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Tue 5/5

3:30 pm-8:15 pm

1 stop4h 45m

Detroit Metropolitan Wayne County

Fri 5/8

1:00 pm-9:45 pm

2 stops8h 45m

$400

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Sun 5/17

7:00 am-3:05 pm

2 stops8h 05m

Detroit Metropolitan Wayne County

Thu 5/21

1:00 pm-9:45 pm

2 stops8h 45m

$405

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Sat 4/11

3:15 pm-11:25 pm

2 stops8h 10m

Detroit Metropolitan Wayne County

Wed 4/15

4:10 pm-9:05 pm

1 stop4h 55m

$432
Quickest round-trip

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Mon 5/4

5:25 pm-10:20 pm

1 stop4h 55m

Detroit Metropolitan Wayne County

Wed 5/6

4:10 pm-9:05 pm

1 stop4h 55m

$439
Cheapest one-way

LouisvilleDetroit

SDF - DTW

SDFDTW

Louisville Intl

Thu 9/10

9:00 am-3:10 pm

1 stop6h 10m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Louisville to Detroit

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 Louisville to Detroit in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Louisville-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Detroit flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Detroit 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 Louisville-Detroit 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 Louisville to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from Louisville 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 Louisville to Detroit

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

Currently, May is the cheapest month in which you can book a flight from Louisville to Detroit (average of $139). Flying from Louisville to Detroit in March is currently the most expensive (average of $294). 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 SDF to DTT?

Find hourly flight availability from Louisville to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 27, 2026.

A simple way to save on the total cost of your ticket is to fly from Louisville to Detroit in the morning. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Louisville to Detroit. Price data was last updated on March 23, 2026.

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

Weekly flight availability from Louisville to Detroit

Explore weekly flight availability from Louisville to Detroit. 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 March 27, 2026.

The most flights from SDF to DTT are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated March 27, 2026.
Get a feel of what it's like to fly with Delta from Louisville to Detroit by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,341 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,341 reviews
Delta
7.9
Good
8,341 reviews

Comfort

7.9

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Detroit. 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 Louisville to Detroit?

    Booking a flight from Louisville Intl (SDF) to Detroit All airports (DTT) is your only option if you wish to fly from Louisville to Detroit. On a typical day, there are 9 flights from Louisville Intl to All airports, all of which are around 1h 21m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Louisville Intl to Detroit.

  • How long is the flight from Louisville to Detroit?

    Airlines like Southwest fly from Louisville to Detroit in about 4h 45m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 306 mi.

  • What is the cheapest airline to fly from Louisville to Detroit round-trip?

    Delta, at $269, was found to be the cheapest airline from Louisville to Detroit.. This flight start at 41% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Louisville to Detroit?

    The top 3 most reliable airlines when flying from Louisville to Detroit are Korean Air (87%), Republic Airways (73%) and Endeavor Airlines (72%).

  • What are the cheapest flights from Louisville to Detroit?

    The cheapest flight price from Louisville to Detroit is $173. On average you can expect to pay $595. The most popular route, (Louisville Intl - Detroit Metropolitan Wayne County), can usually be booked for $250.

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

    Yes. In addition to deals on Louisville to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Detroit?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Detroit.

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

    Yes. Cheapflights offers flight deals from Louisville to Detroit 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 Louisville to Detroit?

    Currently, May is the cheapest month in which you can book a flight from Louisville to Detroit (average of $139). Flying from Louisville to Detroit in March is currently the most expensive (average of $294). 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
Roseville
Port Huron

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Louisville to Detroit

Discover the top airline that operate flights from Louisville to Detroit. 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 March 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$269Average$519FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.