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$143+ Cheap flights from Kentucky to Duluth (DLH)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DLH
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Kentucky to Duluth

Keep the following information in mind while searching for Kentucky to Duluth flight deals. Data was last updated May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Delta)

One-way from

$143
(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 Kentucky to Duluth Intl
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One-way flight from Kentucky to Duluth Intl
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Find flight deals from Kentucky to Duluth

Cheapest flights from Kentucky to Duluth
Explore the most affordable flight options available from Kentucky to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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 7/107:00 amSDF - DLH
1 stop4h 23mDelta
Thu 7/174:01 pmDLH - SDF
1 stop6h 27mDelta
Deal found 4/30$238
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:36 pmBNA - DLH
1 stop5h 02mDelta
Tue 6/106:19 pmDLH - BNA
1 stop4h 12mDelta
Deal found 4/29$238
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/62:10 pmCVG - DLH
1 stop4h 23mUnited Airlines
Sat 6/148:00 amDLH - CVG
1 stop4h 02mUnited Airlines
Deal found 4/30$238
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/103:09 pmBNA - DLH
1 stop6h 46mUnited Airlines
Thu 7/106:13 pmDLH - BNA
1 stop5h 07mUnited Airlines
Deal found 4/29$313
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 5/237:36 pmCVG - DLH
1 stop5h 02mDelta
Sun 5/257:55 amDLH - CVG
1 stop6h 45mDelta
Deal found 4/30$402
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 7/108:40 amSDF - DLH
1 stop6h 48mUnited Airlines
Thu 7/1711:27 amDLH - SDF
1 stop5h 00mUnited Airlines
Deal found 4/29$498

Cheapflights Fare Finder

Customize your flight search to find flights from Kentucky 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 May 1, 2025.
Use the filters below to find and compare flights from Kentucky to Duluth that are best for you.

Fly from

Kentucky

Fly to

Duluth

Route

Depart

Return

Price

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Thu 7/10

7:00 am-10:23 am

1 stop4h 23m

Duluth Intl

Thu 7/17

4:01 pm-11:28 pm

1 stop6h 27m

$238

CincinnatiDuluth

CVG - DLH

CVGDLH

Cincinnati Cinci./N. Kentucky

Fri 6/6

2:10 pm-5:33 pm

1 stop4h 23m

Duluth Intl

Sat 6/14

8:00 am-1:02 pm

1 stop4h 02m

$238

NashvilleDuluth

BNA - DLH

BNADLH

Nashville Intl

Thu 6/5

6:36 pm-11:38 pm

1 stop5h 02m

Duluth Intl

Tue 6/10

6:19 pm-10:31 pm

1 stop4h 12m

$238

NashvilleDuluth

BNA - DLH

BNADLH

Nashville Intl

Tue 6/10

3:09 pm-9:55 pm

1 stop6h 46m

Duluth Intl

Thu 7/10

6:13 pm-11:20 pm

1 stop5h 07m

$313

CincinnatiDuluth

CVG - DLH

CVGDLH

Cincinnati Cinci./N. Kentucky

Fri 5/23

7:36 pm-11:38 pm

1 stop5h 02m

Duluth Intl

Sun 5/25

7:55 am-3:40 pm

1 stop6h 45m

$402

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Thu 7/10

8:40 am-2:28 pm

1 stop6h 48m

Duluth Intl

Thu 7/17

11:27 am-5:27 pm

1 stop5h 00m

$498

NashvilleDuluth

BNA - DLH

BNADLH

Nashville Intl

Tue 5/20

6:00 am-11:13 am

1 stop5h 13m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Best time to book a flight from Kentucky to Duluth

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

What is the cheapest time of day to fly from KY to DLH?

Find hourly flight availability from Kentucky to Duluth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Duluth as you normally would.

Rainfall in Duluth by month

Plan your trip to Duluth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

Temperature in Duluth by month

Plan your trip to Duluth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. 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 Duluth. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Kentucky to Duluth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Duluth from Kentucky?

    Located just 5.8 mi from the city center, Duluth Intl (DLH) is the airport most travelers will use when flying to Duluth from Kentucky.

  • What are the most popular routes from Kentucky to Duluth?

    When deciding which route to take from Kentucky to Duluth consider Nashville Intl - Duluth Intl, Cincinnati Cinci./N. Kentucky - Duluth Intl or Louisville Intl - Duluth Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky 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.

  • What is the cheapest month to book a flight from Kentucky to Duluth?

    Currently, January is the cheapest month in which you can book a flight from Kentucky to Duluth (average of $335). Flying from Kentucky to Duluth in June is currently the most expensive (average of $483). 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 Kentucky?

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

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Top airline flying from Kentucky to Duluth

Discover the top airline that operate flights from Kentucky to Duluth. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$493FlexibilityNo cancel feeOn-time69%

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