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$308+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SDF
Sep 10 — Sep 171
Thu 9/10
Thu 9/17
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 August 11, 2026.

This Delta deal was found by Cheapflights users on 8/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:14 am -
1 stop5h 43m
Thu 11/127:00 am -
1 stop5h 49m
Deal found 8/10$308
This United Airlines deal was found by Cheapflights users on 8/10. 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 11/53:06 pm -
1 stop6h 24m
Thu 11/125:15 am -
1 stop6h 26m
Deal found 8/10$433
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/36:23 pm -
1 stop4h 36m
Thu 9/107:10 am -
1 stop4h 30m
Deal found 8/6$457
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/136:23 pm -
1 stop4h 36m
Mon 8/175:45 pm -
1 stop6h 37m
Deal found 8/6$478

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 August 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(Delta)
Provider with most accurate pricing for Duluth Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Louisville Intl flights.
Search Deals
From Duluth Intl to Louisville Intl
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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 August 11, 2026.
Use the filters below to find and compare flights from Duluth to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthLouisville

DLH Duluth Intl - SDF Louisville Intl

DLHSDF

Duluth Intl

Thu 11/5

5:14 am-11:57 am

1 stop5h 43m

Louisville Intl

Thu 11/12

7:00 am-11:49 am

1 stop5h 49m

$308

DuluthLouisville

DLH Duluth Intl - SDF Louisville Intl

DLHSDF

Duluth Intl

Wed 1/27

3:14 pm-8:14 pm

1 stop4h 00m

Louisville Intl

Sat 1/30

5:30 am-10:42 am

1 stop6h 12m

$388

DuluthLouisville

DLH Duluth Intl - SDF Louisville Intl

DLHSDF

Duluth Intl

Thu 11/5

3:06 pm-10:30 pm

1 stop6h 24m

Louisville Intl

Thu 11/12

5:15 am-10:41 am

1 stop6h 26m

$433
Quickest round-trip

DuluthLouisville

DLH Duluth Intl - SDF Louisville Intl

DLHSDF

Duluth Intl

Thu 9/3

6:23 pm-11:59 pm

1 stop4h 36m

Louisville Intl

Thu 9/10

7:10 am-10:40 am

1 stop4h 30m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Sorted by cheapest first

Compare providers for flights from Duluth 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 Duluth to Louisville in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

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

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 $388, United Airlines can have you in Louisville from Duluth in 4h. Duluth and Louisville are separated by a distance of 682 mi.

  • 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
Corydon
Shepherdsville
Elizabethtown
Jeffersonville

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