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Copenhagen

$555+ Cheap flights from Louisville (SDF) to Copenhagen (CPH)

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — CPH
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap flight deals from Louisville to Copenhagen

Cheapest flights from Louisville to Copenhagen
Explore the most affordable flight options available from Louisville to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 24, 2026.

This United Airlines deal was found by Cheapflights users on 1/22. 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.
Sat 2/219:00 am
SDF
-
CPH
2 stops26h 30m
United Airlines
Sat 2/2810:05 am
CPH
-
SDF
2 stops33h 18m
United Airlines
Deal found 1/22$555
This United Airlines deal was found by Cheapflights users on 1/22. 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 5/75:50 am
SDF
-
CPH
2 stops28h 35m
United Airlines
Tue 5/1212:45 pm
CPH
-
SDF
2 stops35h 51m
United Airlines
Deal found 1/22$587
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/62:05 pm
SDF
-
CPH
2 stops16h 20m
United Airlines
Tue 2/1010:10 am
CPH
-
SDF
2 stops15h 33m
United Airlines
Deal found 1/21$603
This American Airlines deal was found by Cheapflights users on 1/22. 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.
Fri 4/31:30 pm
SDF
-
CPH
2 stops17h 45m
American Airlines
Sun 4/128:50 am
CPH
-
SDF
2 stops20h 37m
American Airlines
Deal found 1/22$644
This Priceline deal was found by Cheapflights users on 1/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
SDF
-
CPH
2 stops24h 30m
British Airways
Fri 9/48:50 am
CPH
-
SDF
2 stops20h 11m
British Airways
Deal found 1/23$645
This American Airlines deal was found by Cheapflights users on 1/23. 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.
Thu 8/279:59 am
SDF
-
CPH
1 stop19h 36m
American Airlines
Fri 9/43:20 pm
CPH
-
SDF
1 stop13h 14m
American Airlines
Deal found 1/23$654
This oojo deal was found by Cheapflights users on 1/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:40 pm
SDF
-
CPH
2 stops22h 50m
British Airways
Sun 10/48:50 am
CPH
-
SDF
2 stops30h 15m
British Airways
Deal found 1/22$669
This Finnair deal was found by Cheapflights users on 1/22. 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 5/247:20 pm
SDF
-
CPH
2 stops21h 50m
Finnair
Mon 6/87:25 pm
CPH
-
SDF
2 stops34h 00m
Finnair
Deal found 1/22$727

Find flight deals from Louisville to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 24, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$555
(United Airlines)

Popular in

October

Cheapest in

December

Average price

$797
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 Kastrup Copenhagen
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Copenhagen 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 January 24, 2026.
Use the filters below to find and compare flights from Louisville to Copenhagen that are best for you.

Fly from

Louisville

Fly to

Copenhagen

Route

Depart

Return

Price

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sat 2/21

9:00 am-5:30 pm

2 stops26h 30m

Kastrup Copenhagen

Sat 2/28

10:05 am-1:23 pm

2 stops33h 18m

$555

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Thu 5/7

5:50 am-4:25 pm

2 stops28h 35m

Kastrup Copenhagen

Tue 5/12

12:45 pm-6:36 pm

2 stops35h 51m

$587

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Fri 2/6

2:05 pm-12:25 pm

2 stops16h 20m

Kastrup Copenhagen

Tue 2/10

10:10 am-7:43 pm

2 stops15h 33m

$603

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Fri 4/3

1:30 pm-1:15 pm

2 stops17h 45m

Kastrup Copenhagen

Sun 4/12

8:50 am-11:27 pm

2 stops20h 37m

$644

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sun 5/24

7:20 pm-11:10 pm

2 stops21h 50m

Kastrup Copenhagen

Mon 6/8

7:25 pm-11:25 pm

2 stops34h 00m

$727

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Thu 5/7

7:25 pm-11:45 am

1 stop34h 20m

Kastrup Copenhagen

Tue 5/12

2:45 pm-11:59 pm

2 stops15h 14m

$849

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Thu 5/7

10:25 am-11:40 am

3 stops19h 15m

Kastrup Copenhagen

Tue 5/12

6:20 am-8:17 pm

3 stops19h 57m

$1,049

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Thu 5/7

1:00 pm-10:15 am

1 stop15h 15m

Kastrup Copenhagen

Tue 5/12

1:35 pm-9:52 pm

1 stop14h 17m

$1,049

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sun 5/24

6:25 pm-11:35 am

1 stop11h 10m

Kastrup Copenhagen

Mon 6/8

3:20 pm-11:47 am

1 stop26h 27m

$1,266

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Compare providers for flights from Louisville to Copenhagen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Copenhagen in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Copenhagen flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Louisville-Copenhagen flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Louisville-Copenhagen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Copenhagen flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Copenhagen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen 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 Copenhagen

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

Currently, September is the cheapest month in which you can book a flight from Louisville to Copenhagen (average of $338). Flying from Louisville to Copenhagen in June is currently the most expensive (average of $849). 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 much does it cost to fly round-trip from Louisville to Copenhagen?

Reviews of airlines servicing Copenhagen

Get insights into the airlines that provide service to Copenhagen. 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 Copenhagen. Reviews last updated January 24, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and Scandinavian Airlines from Louisville to Copenhagen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
8,112 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
9,193 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
7.3
Good
1,662 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
11,193 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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 Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Louisville to Copenhagen?

    United Airlines and American Airlines can get you from Louisville to Copenhagen in just under 17h 45m. Your travel time can differ by up to 8h 45m. Airlines will cover a distance of 4388 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Louisville to Copenhagen round-trip?

    Cheapflights users have booked flights from Louisville to Copenhagen round-trip from $338. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $546, and United Airlines, from $639. Users have found that Delta is 60% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Louisville to Copenhagen (average of $338). Flying from Louisville to Copenhagen in June is currently the most expensive (average of $849). 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 Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

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Alternative routes for Louisville to Copenhagen

See prices for flight routes from nearby airports that may be better suited for you.
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Cincinnati to Copenhagen flights
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Lexington to Copenhagen flights

Top 4 airlines flying from Louisville to Copenhagen

Discover the top 4 airlines that operate flights from Louisville to Copenhagen. 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 January 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$911FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$546Average$584FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$639Average$698FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$640Average$962FlexibilityNo cancel feeOn-time71%

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