HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$434+ Cheap flights from Denmark to Louisville (SDF)

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SDF
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denmark to Louisville with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 10, 2026.

This Flighttix deal was found by Cheapflights users on 5/5. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:20 pm
CPH
-
SDF
1 stop13h 48m
British Airways
Wed 5/2710:47 am
SDF
-
CPH
2 stops18h 48m
British Airways
Deal found 5/5$662
This Flysmarter deal was found by Cheapflights users on 5/5. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:40 am
CPH
-
SDF
2 stops16h 38m
Lufthansa
Wed 5/271:48 pm
SDF
-
CPH
2 stops16h 07m
Lufthansa
Deal found 5/5$669
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Mon 11/2310:10 am
CPH
-
SDF
2 stops15h 24m
United Airlines
Fri 11/271:55 pm
SDF
-
CPH
2 stops16h 30m
United Airlines
Deal found 5/5$684
This United Airlines deal was found by Cheapflights users on 5/9. 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 11/1210:10 am
CPH
-
SDF
2 stops16h 04m
United Airlines
Mon 11/162:20 pm
SDF
-
CPH
2 stops17h 50m
United Airlines
Deal found 5/9$686
This Scandinavian Airlines deal was found by Cheapflights users on 5/5. 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.
Mon 11/231:50 pm
CPH
-
SDF
1 stop14h 45m
Scandinavian Airlines
Fri 11/273:24 pm
SDF
-
CPH
1 stop13h 06m
Scandinavian Airlines
Deal found 5/5$1,143
This Air Canada deal was found by Cheapflights users on 5/5. 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.
Sat 5/2312:45 pm
CPH
-
SDF
2 stops27h 38m
Multiple Airlines
Wed 5/272:10 pm
SDF
-
CPH
3 stops17h 45m
Multiple Airlines
Deal found 5/5$1,336
This Flysmarter deal was found by Cheapflights users on 5/5. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:40 am
CPH
-
SDF
3 stops21h 34m
Air Canada
Wed 5/272:10 pm
SDF
-
CPH
3 stops17h 45m
Air Canada
Deal found 5/5$1,502

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$662
(Flighttix)

One-way from

$434
(Kiwi.com)

Popular in

October

Cheapest in

September

Average price

$848
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
One-way flight from Denmark to Louisville Intl
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 10, 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
Quickest round-trip

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Sat 5/23

3:20 pm-11:08 pm

1 stop13h 48m

Louisville Intl

Wed 5/27

10:47 am-11:35 am

2 stops18h 48m

$662

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Sat 5/23

12:45 pm-10:23 am

2 stops27h 38m

Louisville Intl

Wed 5/27

2:10 pm-1:55 pm

3 stops17h 45m

$1,336
Cheapest one-way

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Mon 6/8

6:45 am-8:36 am

3 stops55h 51m

$434

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Mon 6/8

11:35 am-9:15 pm

2 stops15h 40m

$608

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Mon 7/6

6:45 am-8:36 am

3 stops55h 51m

$677
Quickest one-way

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Mon 7/6

3:20 pm-11:04 pm

1 stop13h 44m

$797

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Sat 6/20

3:20 pm-11:08 pm

1 stop13h 48m

$801

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Mon 7/6

8:50 am-11:46 pm

2 stops20h 56m

$869

CopenhagenLouisville

CPH - SDF

CPHSDF

Kastrup Copenhagen

Sat 6/20

12:45 pm-11:56 pm

3 stops41h 11m

$1,616

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

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

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 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Denmark to Louisville (average of $450). Flying from Denmark to Louisville in April is currently the most expensive (average of $670). 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 May 10, 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
1,513 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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
1,513 reviews
KLM
7.8
Good
1,513 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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
9,694 reviews
KLM
7.8
Good
1,513 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

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 48m. British Airways provides one of the quickest options available for as low as $667. 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, September is the cheapest month in which you can book a flight from Denmark to Louisville (average of $450). Flying from Denmark to Louisville in April is currently the most expensive (average of $670). 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
Elizabethtown
Corydon
Jeffersonville
Bardstown

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$1,229FlexibilityNo cancel feeOn-time69%
KLMCheapest$761Average$1,063FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights