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$268+ Cheap flights from Duluth to Louisville (DLH - SDF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SDF
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Duluth to Louisville

Cheapest flights from Duluth to Louisville
Explore the most affordable flight options available from Duluth to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 2/243:19 pm
DLH
-
SDF
1 stop3h 50m
United Airlines
Sat 2/285:35 am
SDF
-
DLH
1 stop6h 08m
United Airlines
Deal found 2/9$268
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 2/283:19 pm
DLH
-
SDF
1 stop5h 54m
United Airlines
Thu 3/57:05 am
SDF
-
DLH
1 stop4h 38m
United Airlines
Deal found 2/10$290
This Delta deal was found by Cheapflights users on 2/11. 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.
Sat 2/2812:15 pm
DLH
-
SDF
2 stops7h 59m
Delta
Thu 3/56:23 am
SDF
-
DLH
1 stop6h 07m
Delta
Deal found 2/11$299
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 4/93:08 pm
DLH
-
SDF
1 stop6h 22m
United Airlines
Mon 4/135:00 am
SDF
-
DLH
1 stop6h 29m
United Airlines
Deal found 2/10$378
This Delta deal was found by Cheapflights users on 2/9. 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.
Tue 2/2412:15 pm
DLH
-
SDF
2 stops8h 03m
Delta
Sat 2/286:23 am
SDF
-
DLH
1 stop6h 07m
Delta
Deal found 2/9$394
This Delta deal was found by Cheapflights users on 2/9. 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.
Thu 3/198:04 am
DLH
-
SDF
1 stop6h 40m
Delta
Sat 3/2112:34 pm
SDF
-
DLH
1 stop4h 18m
Delta
Deal found 2/9$413
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/106:42 pm
DLH
-
SDF
1 stop13h 43m
United Airlines
Sun 4/195:00 am
SDF
-
DLH
1 stop6h 29m
United Airlines
Deal found 2/9$480
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Thu 2/2611:20 am
DLH
-
SDF
2 stops26h 27m
United Airlines
Mon 3/25:35 am
SDF
-
DLH
1 stop6h 08m
United Airlines
Deal found 2/11$513

Find flight deals from Duluth to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) 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 February 12, 2026.

Round-trip from

$268
(United Airlines)
From Duluth Intl to Louisville Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth 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 February 12, 2026.
Use the filters below to find and compare flights from Duluth to Louisville that are best for you.

Fly from

Duluth

Fly to

Louisville

Route

Depart

Return

Price

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 2/24

3:19 pm-8:09 pm

1 stop3h 50m

Louisville Intl

Sat 2/28

5:35 am-10:43 am

1 stop6h 08m

$268

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Thu 2/26

3:19 pm-10:13 pm

1 stop5h 54m

Louisville Intl

Mon 3/2

5:35 am-10:43 am

1 stop6h 08m

$268

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sat 2/28

3:19 pm-10:13 pm

1 stop5h 54m

Louisville Intl

Thu 3/5

7:05 am-10:43 am

1 stop4h 38m

$290

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sat 2/28

12:15 pm-9:14 pm

2 stops7h 59m

Louisville Intl

Thu 3/5

6:23 am-11:30 am

1 stop6h 07m

$299

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Thu 3/19

5:00 am-1:37 pm

2 stops7h 37m

Louisville Intl

Sat 3/21

6:15 am-11:56 am

1 stop6h 41m

$299

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Thu 4/9

3:08 pm-10:30 pm

1 stop6h 22m

Louisville Intl

Mon 4/13

5:00 am-10:29 am

1 stop6h 29m

$378

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 2/24

12:15 pm-9:18 pm

2 stops8h 03m

Louisville Intl

Sat 2/28

6:23 am-11:30 am

1 stop6h 07m

$394

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

6:42 pm-9:25 am

1 stop13h 43m

Louisville Intl

Sun 4/19

5:00 am-10:29 am

1 stop6h 29m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Best time to book a flight from Duluth to Louisville

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

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 February 12, 2026.
Read through reviews of airlines operating flights from Duluth to Louisville, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,177 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

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
8,177 reviews
Delta
7.9
Good
8,177 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

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 Duluth to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Duluth to Louisville?

    For as low as $268, United Airlines can have you in Louisville from Duluth in 3h 50m. Duluth and Louisville are separated by a distance of 682 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $238, Delta will fly you from Duluth to Louisville and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Duluth 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.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Top airline flying from Duluth to Louisville

Discover the top airline that operate flights from Duluth 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$327FlexibilityNo cancel feeOn-timeN/A

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