$358+ Cheap flights from Duluth (DLH) to Kentucky
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SDF
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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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
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Cheapest flights from Duluth to KentuckyExplore the most affordable flight options available from Duluth to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
Explore the most affordable flight options available from Duluth to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop6h 15m
Sat 10/177:00 am -
1 stop4h 42m
Deal found 9/28![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:14 am -
2 stops8h 27m
Sat 10/177:00 am -
1 stop5h 44m
Deal found 9/28![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/28. 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 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 11/125:10 am -
1 stop6h 31m
Deal found 9/28![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:18 am -
1 stop6h 53m
Sun 10/117:00 am -
1 stop4h 42m
Deal found 9/28![United Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 9/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:14 am -
2 stops6h 40m
Thu 11/126:00 am -
2 stops10h 45m
Deal found 9/25![Delta logo]()
$669
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:21 pm -
2 stops6h 38m
Sun 10/117:00 am -
1 stop5h 44m
Deal found 9/28![Delta logo]()
$709
This Delta deal was found by Cheapflights users on 9/26. 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.
Sun 10/117:00 am -
1 stop3h 57m
Thu 10/157:00 am -
1 stop5h 44m
Deal found 9/26![Delta logo]()
$726
Best flights from Duluth to KentuckyDiscover carefully curated flight deals from Duluth to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from Duluth to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Thu 11/53:06 pm -
1 stop6h 24m
Thu 11/127:00 am -
1 stop4h 41m
Deal found 9/26![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/277:15 am -
1 stop5h 05m
Sat 1/3010:15 am -
1 stop5h 09m
Deal found 9/29![United Airlines logo]()
$428
Last-minute flights from Duluth to KentuckyDiscover last-minute flight deals from Duluth to Kentucky. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Duluth to Kentucky. Data last updated September 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:18 am -
1 stop6h 53m
Sun 10/117:00 am -
1 stop4h 42m
Deal found 9/28![United Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:21 pm -
2 stops6h 38m
Sun 10/117:00 am -
1 stop5h 44m
Deal found 9/28![Delta logo]()
$709
This Delta deal was found by Cheapflights users on 9/26. 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.
Sun 10/117:00 am -
1 stop3h 57m
Thu 10/157:00 am -
1 stop5h 44m
Deal found 9/26![Delta logo]()
$726
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop6h 15m
Sat 10/177:00 am -
1 stop4h 42m
Deal found 9/28![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:14 am -
2 stops8h 27m
Sat 10/177:00 am -
1 stop5h 44m
Deal found 9/28![Delta logo]()
$364
Find flight deals from Duluth to Kentucky
Keep the following information in mind while searching for Duluth to Kentucky flight deals. Data was last updated September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $358 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Duluth to Kentucky 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 September 30, 2026.
Use the filters below to find and compare flights from Duluth to Kentucky that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
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
7:00 am-10:41 am
1 stop4h 41m
$428
Quickest round-trip
DuluthLouisville
DLH Duluth Intl - SDF Louisville Intl
DLHSDF
Duluth Intl
Wed 1/27
7:15 am-1:20 pm
1 stop5h 05m
Louisville Intl
Sat 1/30
10:15 am-2:24 pm
1 stop5h 09m
$428
Sorted by cheapest first
Best time to book a flight from Duluth to Kentucky
Have a flexible travel schedule? Discover the best time to fly to Kentucky from Duluth with our price prediction graph.
DLH-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 Duluth to Kentucky
DLH-USKY
DLH-SDF
No data available for this route at this time. Please check back soon.
Related info for your journey
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