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$539+ Cheap flights from Denmark to Louisville (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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SDF
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Cheap flight deals from Denmark to Louisville

Keep the following information in mind while searching for Denmark to Louisville flight deals. Data was last updated November 12, 2025.

Round-trip from

$539
(American Airlines)

Popular in

October

Cheapest in

September

Average price

$654
From Denmark to Louisville Intl
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Denmark to Louisville

Cheapest flights from Denmark to Louisville
Explore the most affordable flight options available from Denmark to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2025.

This Ticket deal was found by Cheapflights users on 11/11. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:10 amCPH - SDF
2 stops15h 17mLufthansa
Thu 11/272:35 pmSDF - CPH
2 stops26h 50mLufthansa
Deal found 11/11$601
This Ticket deal was found by Cheapflights users on 11/11. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:15 pmCPH - SDF
1 stop13h 37mAir France
Thu 11/2712:57 pmSDF - CPH
2 stops14h 23mAir France
Deal found 11/11$900
This Ticket deal was found by Cheapflights users on 11/11. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:15 pmCPH - SDF
1 stop16h 51mScandinavian Airlines
Thu 11/2712:57 pmSDF - CPH
1 stop15h 43mScandinavian Airlines
Deal found 11/11$1,076
This Air Canada deal was found by Cheapflights users on 11/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:10 amCPH - SDF
3 stops19h 44mAir Canada
Thu 11/277:00 amSDF - CPH
3 stops20h 20mAir Canada
Deal found 11/11$1,084
This Mytrip deal was found by Cheapflights users on 11/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:05 amCPH - SDF
2 stops20h 50mMultiple Airlines
Thu 11/279:55 amSDF - CPH
3 stops19h 50mMultiple Airlines
Deal found 11/11$2,572

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denmark 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 November 12, 2025.
Use the filters below to find and compare flights from Denmark to Louisville that are best for you.

Fly from

Denmark

Fly to

Louisville

Route

Depart

Return

Price

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Thu 2/19

10:30 am-11:59 pm

2 stops19h 29m

Louisville Intl

Mon 2/23

6:16 pm-5:25 pm

2 stops17h 09m

$539

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Thu 2/19

1:15 pm-11:50 pm

1 stop16h 35m

Louisville Intl

Mon 2/23

3:34 pm-10:40 am

1 stop13h 06m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Best time to book a flight from Denmark to Louisville

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

What is the cheapest month to book a flight from Denmark to Louisville?

Currently, December is the cheapest month in which you can book a flight from Denmark to Louisville (average of $359). Flying from Denmark to Louisville in August is currently the most expensive (average of $498). 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.

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 November 12, 2025.
Get a feel of what it's like to fly with KLM from Denmark to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,410 reviews

Overall

7.7

Crew

8.4

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,410 reviews
KLM
7.7
Good
1,410 reviews

Overall

7.7

Crew

8.4

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

    If you book a flight to Louisville from Denmark, you will be flying to Louisville Intl, which is the city’s only airport. Louisville Intl (SDF) is located 5.3 mi from the center of Louisville.

  • How long is the flight from Denmark to Louisville?

    A quick flight from Denmark to Louisville can take about 16h 35m. American Airlines provides one of the quickest options available for as low as $811. Airlines will cover a distance of 4388 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denmark 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.

  • What is the cheapest month to book a flight from Denmark to Louisville?

    Currently, December is the cheapest month in which you can book a flight from Denmark to Louisville (average of $359). Flying from Denmark to Louisville in August is currently the most expensive (average of $498). 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 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 Denmark to Louisville

Discover the top airline that operate flights from Denmark 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$761Average$1,063FlexibilityNo cancel feeOn-time75%

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