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$269+ Cheap flights from Louisville to Duluth (SDF - DLH)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DLH
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap flight deals from Louisville to Duluth

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

This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/116:23 am
SDF
-
DLH
1 stop5h 48m
Delta
jue. 2/264:15 pm
DLH
-
SDF
2 stops6h 43m
Delta
Deal found 1/27$269
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/265:35 am
SDF
-
DLH
1 stop6h 08m
United Airlines
sáb. 2/283:19 pm
DLH
-
SDF
1 stop5h 54m
United Airlines
Deal found 1/25$286
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/106:23 am
SDF
-
DLH
1 stop5h 48m
Delta
sáb. 2/144:18 pm
DLH
-
SDF
1 stop5h 47m
Delta
Deal found 1/26$298
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/187:20 am
SDF
-
DLH
1 stop4h 09m
United Airlines
mié. 4/223:08 pm
DLH
-
SDF
1 stop4h 08m
United Airlines
Deal found 1/26$328
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/118:29 am
SDF
-
DLH
1 stop7h 01m
United Airlines
jue. 2/263:19 pm
DLH
-
SDF
1 stop5h 54m
United Airlines
Deal found 1/27$347
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/127:25 pm
SDF
-
DLH
1 stop5h 13m
Delta
dom. 6/145:10 am
DLH
-
SDF
1 stop5h 53m
Delta
Deal found 1/26$438

Find flight deals from Louisville to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Duluth (DLH). 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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Delta)
Provider with most accurate pricing for Louisville Intl-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Duluth Intl flights.
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From Louisville Intl to Duluth Intl
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Cheapflights Fare Finder

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

Fly from

Louisville

Fly to

Duluth

Route

Depart

Return

Price

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

mié. 2/11

6:23 am-11:11 am

1 stop5h 48m

Duluth Intl

jue. 2/26

4:15 pm-11:58 pm

2 stops6h 43m

$269

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

jue. 2/26

5:35 am-10:43 am

1 stop6h 08m

Duluth Intl

sáb. 2/28

3:19 pm-10:13 pm

1 stop5h 54m

$286

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

mar. 2/10

6:23 am-11:11 am

1 stop5h 48m

Duluth Intl

sáb. 2/14

4:18 pm-11:05 pm

1 stop5h 47m

$298

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

sáb. 4/18

9:07 am-2:27 pm

1 stop6h 20m

Duluth Intl

mié. 4/22

11:19 am-4:41 pm

1 stop4h 22m

$328

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

mié. 2/11

8:29 am-2:30 pm

1 stop7h 01m

Duluth Intl

jue. 2/26

3:19 pm-10:13 pm

1 stop5h 54m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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

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

Related info for your journey

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

    Departing from Louisville to Duluth will take you 5h 48m. There are 682 mi between Louisville and Duluth. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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