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Denmark

$426+ Cheap flights from Louisville (SDF) to Denmark

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — CPH
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from Louisville to Denmark

Best flights from Louisville to Denmark
Discover carefully curated flight deals from Louisville to Denmark that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 10, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/172:10 pmSDF - CPH
2 stops16h 15mLufthansa
Fri 1/306:50 amCPH - SDF
2 stops16h 47mLufthansa
Deal found 12/8$528
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/232:10 pmSDF - CPH
2 stops16h 15mUnited Airlines
Tue 1/2710:10 amCPH - SDF
2 stops15h 33mUnited Airlines
Deal found 12/7$553
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1712:22 pmSDF - CPH
1 stop16h 18mScandinavian Airlines
Fri 1/301:15 pmCPH - SDF
1 stop16h 35mScandinavian Airlines
Deal found 12/8$560
This Air Canada deal was found by Cheapflights users on 12/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/172:05 pmSDF - CPH
3 stops17h 40mAir Canada
Fri 1/306:50 amCPH - SDF
3 stops21h 40mAir Canada
Deal found 12/8$758
This Ovago deal was found by Cheapflights users on 12/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/53:44 pmSDF - CPH
2 stops21h 21mBritish Airways
Mon 1/128:25 pmCPH - SDF
2 stops28h 05mBritish Airways
Deal found 12/8$811
This American Airlines deal was found by Cheapflights users on 12/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:48 amSDF - CPH
1 stop21h 27mAmerican Airlines
Mon 6/88:50 amCPH - SDF
2 stops16h 54mAmerican Airlines
Deal found 12/8$857
This Finnair deal was found by Cheapflights users on 12/9. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:16 pmSDF - CPH
2 stops14h 59mFinnair
Mon 6/86:45 amCPH - SDF
2 stops18h 59mFinnair
Deal found 12/9$865
This Finnair deal was found by Cheapflights users on 12/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:59 amSDF - CPH
1 stop18h 16mMultiple Airlines
Mon 6/82:00 pmCPH - SDF
1 stop12h 56mMultiple Airlines
Deal found 12/8$963
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:59 amSDF - CPH
1 stop18h 16mAmerican Airlines
Sat 6/208:50 amCPH - SDF
2 stops16h 54mAmerican Airlines
Deal found 12/10$953

Find flight deals from Louisville to Denmark

Keep the following information in mind while searching for Louisville to Denmark flight deals. Data was last updated December 10, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$528
(Cheapflightsfares)

One-way from

$426
(Expedia)

Popular in

October

Cheapest in

December

Average price

$564
Provider with most accurate pricing for Louisville Intl-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Kastrup Copenhagen flights.
Search Deals
From Louisville Intl to Denmark
Search Deals
One-way flight from Louisville Intl to Denmark
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Denmark 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 December 10, 2025.
Use the filters below to find and compare flights from Louisville to Denmark that are best for you.

Fly from

Louisville

Fly to

Denmark

Route

Depart

Return

Price

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sat 1/17

2:10 pm-12:25 pm

2 stops16h 15m

Kastrup Copenhagen

Fri 1/30

6:50 am-5:37 pm

2 stops16h 47m

$528

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Fri 1/23

2:10 pm-12:25 pm

2 stops16h 15m

Kastrup Copenhagen

Tue 1/27

10:10 am-7:43 pm

2 stops15h 33m

$553

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sat 1/17

12:22 pm-10:40 am

1 stop16h 18m

Kastrup Copenhagen

Fri 1/30

1:15 pm-11:50 pm

1 stop16h 35m

$560

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sat 1/17

2:05 pm-1:45 pm

3 stops17h 40m

Kastrup Copenhagen

Fri 1/30

6:50 am-10:30 pm

3 stops21h 40m

$758

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Mon 1/5

3:44 pm-7:05 pm

2 stops21h 21m

Kastrup Copenhagen

Mon 1/12

8:25 pm-6:30 pm

2 stops28h 05m

$811

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sun 5/24

7:48 am-11:15 am

1 stop21h 27m

Kastrup Copenhagen

Mon 6/8

8:50 am-7:44 pm

2 stops16h 54m

$857

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sun 5/24

7:16 pm-4:15 pm

2 stops14h 59m

Kastrup Copenhagen

Mon 6/8

6:45 am-7:44 pm

2 stops18h 59m

$865

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Wed 5/27

10:59 am-11:15 am

1 stop18h 16m

Kastrup Copenhagen

Sat 6/20

8:50 am-7:44 pm

2 stops16h 54m

$953

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sun 5/24

10:59 am-11:15 am

1 stop18h 16m

Kastrup Copenhagen

Mon 6/8

2:00 pm-8:56 pm

1 stop12h 56m

$963

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Thu 3/26

6:24 pm-10:45 pm

2 stops23h 21m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 12 results
1
2

Best time to book a flight from Louisville to Denmark

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

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

Currently, September is the cheapest month in which you can book a flight from Louisville to Denmark (average of $338). Flying from Louisville to Denmark in June is currently the most expensive (average of $846). 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.

What is the cheapest time of day to fly from SDF to DK?

Find hourly flight availability from Louisville to Denmark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 10, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from Louisville to Denmark by exploring options for tickets in the evening.

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. 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 Denmark. Reviews last updated December 10, 2025.
Get a feel of what it's like to fly with Delta, Scandinavian Airlines, and United Airlines from Louisville to Denmark by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.4
Good
1,603 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    If you book a flight to Denmark from Louisville, you will be flying from 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 Louisville to Denmark?

    A quick flight from Louisville to Denmark can take about 16h 15m. Lufthansa provides one of the quickest options available for as low as $528. There are 4388 mi between Louisville and Denmark. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Denmark 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 Louisville to Denmark?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Denmark (average of $338). Flying from Louisville to Denmark in June is currently the most expensive (average of $846). 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

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Top 4 airlines flying from Louisville to Denmark

Discover the top 4 airlines that operate flights from Louisville to Denmark. 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$911FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$546Average$581FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$639Average$698FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$640Average$919FlexibilityNo cancel feeOn-time71%

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