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$675+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SDF
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap 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 July 11, 2026.

This United Airlines deal was found by Cheapflights users on 7/8. 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 11/1310:05 am
CPH
-
SDF
2 stops18h 25m
United Airlines
Tue 11/171:47 pm
SDF
-
CPH
2 stops16h 38m
United Airlines
Deal found 7/8$675
This Scandinavian Airlines deal was found by Cheapflights users on 7/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:50 pm
CPH
-
SDF
1 stop14h 45m
Scandinavian Airlines
Tue 11/171:00 pm
SDF
-
CPH
1 stop11h 55m
Scandinavian Airlines
Deal found 7/8$1,118
This British Airways deal was found by Cheapflights users on 7/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:05 am
CPH
-
SDF
2 stops16h 55m
British Airways
Wed 8/195:10 pm
SDF
-
CPH
2 stops17h 00m
British Airways
Deal found 7/7$4,200

Find flight deals from Denmark to Louisville

Keep the following information in mind while searching for Denmark to Louisville flight deals. Data was last updated July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$675
(United Airlines)

Popular in

October

Cheapest in

September

Average price

$876
Provider with most accurate pricing for Kastrup Copenhagen-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kastrup Copenhagen-Louisville Intl flights.
Search Deals
From Denmark to Louisville Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 11, 2026.
Use the filters below to find and compare flights from Denmark to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Fri 11/13

10:05 am-10:30 pm

2 stops18h 25m

Louisville Intl

Tue 11/17

1:47 pm-12:25 pm

2 stops16h 38m

$675
Quickest round-trip

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Fri 11/13

1:50 pm-10:35 pm

1 stop14h 45m

Louisville Intl

Tue 11/17

1:00 pm-6:55 am

1 stop11h 55m

$1,118

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Thu 8/13

7:05 am-6:00 pm

2 stops16h 55m

Louisville Intl

Wed 8/19

5:10 pm-4:10 pm

2 stops17h 00m

$4,200

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Sorted by cheapest first

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, February is the cheapest month in which you can book a flight from Denmark to Louisville (average of $467). Flying from Denmark to Louisville in June is currently the most expensive (average of $840). 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.

How far ahead should I book a flight from Denmark to Louisville?

The price you pay for your flight from Denmark to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 11, 2026.
Get a feel of what it's like to fly with KLM and United Airlines 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
7.8
Good
1,537 reviews

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,537 reviews
KLM
7.8
Good
1,537 reviews

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,978 reviews
KLM
7.8
Good
1,537 reviews

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 13h 39m. American Airlines provides one of the quickest options available for as low as $664. 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, February is the cheapest month in which you can book a flight from Denmark to Louisville (average of $467). Flying from Denmark to Louisville in June is currently the most expensive (average of $840). 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
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

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Top 2 airlines flying from Denmark to Louisville

Discover the top 2 airlines 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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$1,420FlexibilityNo cancel feeOn-time69%
KLMCheapest$761Average$1,120FlexibilityNo cancel feeOn-time75%

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