Which layover airport offers the lowest fares from Louisville to Copenhagen?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $631.

Which layover airport has the shortest travel time from Louisville to Copenhagen?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 11h 15m.

Which layover airport has the shortest connection time from Louisville to Copenhagen?

Atlanta (ATL) has the shortest average layover time for this route: 3h 38m.

What is the cheapest airline that flies from Louisville Intl to Kastrup Copenhagen?

American Airlines, KLM, and Air Canada are the most popular carriers operating from Louisville Intl to Kastrup Copenhagen

Which airport is the most popular layover for flights between Louisville and Copenhagen?

Atlanta (ATL) was the most common stop: 92% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Copenhagen?

Scandinavian Airlines, Delta and British Airways are the top three most popular airlines that fly to Copenhagen from Louisville according to our data. Scandinavian Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Copenhagen. Keep in mind that there are 5 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Kastrup Copenhagen Airport?

Prices for flights from Louisville Intl Airport to Kastrup Copenhagen Airport are updated daily.

How many operators does momondo search for flights from Louisville Intl Airport to Kastrup Copenhagen Airport?

The number of operators available for flights from Louisville Intl Airport to Kastrup Copenhagen Airport is 3 as of August 2026.

How old do you have to be to fly from Louisville Intl Airport to Kastrup Copenhagen Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Kastrup Copenhagen Airport.

What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

The necessary travel and health documents for your Kastrup Copenhagen Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$420 Cheap Flights from Louisville to Copenhagen in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Copenhagen

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:32 pm - 12:00 pmSDF Louisville Intl-CPH Kastrup Copenhagen

34h 28m2 stops Chicago O'Hare Intl Frankfurt am Main

11:35 am - 8:00 pmCPH Kastrup Copenhagen-SDF Louisville Intl

38h 25m2 stops Toronto Pearson Intl Newark

$759United Airlines

Sun, Dec 6 - Wed, Dec 9

9:17 am - 10:20 amSDF Louisville Intl-CPH Kastrup Copenhagen

19h 03m2 stops Chicago O'Hare Intl Toronto Pearson Intl

8:55 am - 7:30 pmCPH Kastrup Copenhagen-SDF Louisville Intl

16h 35m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$774United Airlines

Tue, Nov 24 - Thu, Nov 26

9:17 am - 9:25 amSDF Louisville Intl-CPH Kastrup Copenhagen

18h 08m3 stops Chicago O'Hare Intl Toronto Pearson Intl Frankfurt am Main

7:15 am - 7:30 pmCPH Kastrup Copenhagen-SDF Louisville Intl

18h 15m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$779United Airlines

Tue, Nov 24 - Thu, Nov 26

7:32 pm - 9:25 amSDF Louisville Intl-CPH Kastrup Copenhagen

31h 53m2 stops Chicago O'Hare Intl Frankfurt am Main

6:55 am - 10:09 pmCPH Kastrup Copenhagen-SDF Louisville Intl

21h 14m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$782United Airlines

Sun, Dec 6 - Wed, Dec 9

3:00 pm - 1:10 pmSDF Louisville Intl-CPH Kastrup Copenhagen

16h 10m2 stops Atlanta Hartsfield-Jackson London Heathrow

9:55 am - 10:37 pmCPH Kastrup Copenhagen-SDF Louisville Intl

18h 42m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$804Delta

Mon, Nov 23 - Thu, Nov 26

5:59 pm - 2:40 pmSDF Louisville Intl-CPH Kastrup Copenhagen

14h 41m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

9:55 am - 9:13 pmCPH Kastrup Copenhagen-SDF Louisville Intl

17h 18m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$812Delta

Wed, Nov 18 - Fri, Nov 27

5:59 pm - 5:00 pmSDF Louisville Intl-CPH Kastrup Copenhagen

17h 01m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

12:05 pm - 9:13 pmCPH Kastrup Copenhagen-SDF Louisville Intl

15h 08m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$812Delta

Wed, Nov 18 - Thu, Nov 26

1:20 pm - 7:00 amSDF Louisville Intl-CPH Kastrup Copenhagen

11h 40m1 stop Boston Logan Intl

1:35 pm - 11:59 pmCPH Kastrup Copenhagen-SDF Louisville Intl

16h 24m1 stop Atlanta Hartsfield-Jackson

$943Scandinavian Airlines

Wed, Oct 7 - Mon, Oct 12

3:43 pm - 10:15 amSDF Louisville Intl-CPH Kastrup Copenhagen

12h 32m1 stop Atlanta Hartsfield-Jackson

1:35 pm - 11:59 pmCPH Kastrup Copenhagen-SDF Louisville Intl

16h 24m1 stop Atlanta Hartsfield-Jackson

$958Scandinavian Airlines

Mon, Oct 5 - Mon, Oct 12

3:00 pm - 10:40 amSDF Louisville Intl-CPH Kastrup Copenhagen

13h 40m1 stop Atlanta Hartsfield-Jackson

1:50 pm - 11:00 pmCPH Kastrup Copenhagen-SDF Louisville Intl

15h 10m1 stop Atlanta Hartsfield-Jackson

$968Scandinavian Airlines

Mon, Nov 23 - Mon, Nov 30

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United Airlines flights from Louisville to Copenhagen

Our best United Airlines deals on Louisville to Copenhagen flight tickets

United Airlines

Dec 6

SDF7:32 pmLouisville Intl

34h 28m

2 stops

CPH12:00 pmKastrup Copenhagen

Dec 9

CPH11:35 amKastrup Copenhagen

38h 25m

2 stops

SDF8:00 pmLouisville Intl

$759

United Airlines

Nov 24

SDF9:17 amLouisville Intl

19h 03m

2 stops

CPH10:20 amKastrup Copenhagen

Nov 26

CPH8:55 amKastrup Copenhagen

16h 35m

2 stops

SDF7:30 pmLouisville Intl

$774

United Airlines

Nov 24

SDF9:17 amLouisville Intl

18h 08m

3 stops

CPH9:25 amKastrup Copenhagen

Nov 26

CPH7:15 amKastrup Copenhagen

18h 15m

2 stops

SDF7:30 pmLouisville Intl

$779

Air Canada flights from Louisville to Copenhagen

Our best Air Canada deals on Louisville to Copenhagen flight tickets

Air Canada

Nov 22

SDF5:57 pmLouisville Intl

58h 23m

2 stops

CPH10:20 amKastrup Copenhagen

Nov 27

CPH11:35 amKastrup Copenhagen

35h 25m

2 stops

SDF5:00 pmLouisville Intl

$798

Air Canada

Nov 22

SDF5:57 pmLouisville Intl

58h 23m

2 stops

CPH10:20 amKastrup Copenhagen

Dec 2

CPH11:35 amKastrup Copenhagen

35h 14m

2 stops

SDF4:49 pmLouisville Intl

$845

Air Canada

Jan 17

SDF11:00 amLouisville Intl

16h 25m

3 stops

CPH9:25 amKastrup Copenhagen

Jan 30

CPH7:15 amKastrup Copenhagen

18h 59m

3 stops

SDF8:14 pmLouisville Intl

$894

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Sun 12/6

7:32 pm-12:00 pm

2 stops34h 28m

Kastrup Copenhagen

Wed 12/9

11:35 am-8:00 pm

2 stops38h 25m

$759

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Tue 11/24

9:17 am-10:20 am

2 stops19h 03m

Kastrup Copenhagen

Thu 11/26

8:55 am-7:30 pm

2 stops16h 35m

$774

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Tue 11/24

9:17 am-9:25 am

3 stops18h 08m

Kastrup Copenhagen

Thu 11/26

7:15 am-7:30 pm

2 stops18h 15m

$779

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Sun 12/6

7:32 pm-9:25 am

2 stops31h 53m

Kastrup Copenhagen

Wed 12/9

6:55 am-10:09 pm

2 stops21h 14m

$782

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Mon 11/23

3:00 pm-1:10 pm

2 stops16h 10m

Kastrup Copenhagen

Thu 11/26

9:55 am-10:37 pm

2 stops18h 42m

$804

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Wed 11/18

5:59 pm-2:40 pm

2 stops14h 41m

Kastrup Copenhagen

Fri 11/27

9:55 am-9:13 pm

2 stops17h 18m

$812

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Wed 11/18

5:59 pm-5:00 pm

2 stops17h 01m

Kastrup Copenhagen

Thu 11/26

12:05 pm-9:13 pm

2 stops15h 08m

$812

Quickest round-trip

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Wed 10/7

1:20 pm-7:00 am

1 stop11h 40m

Kastrup Copenhagen

Mon 10/12

1:35 pm-11:59 pm

1 stop16h 24m

$943

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Mon 10/5

3:43 pm-10:15 am

1 stop12h 32m

Kastrup Copenhagen

Mon 10/12

1:35 pm-11:59 pm

1 stop16h 24m

$958

LouisvilleCopenhagen

SDF Louisville Intl - CPH Kastrup Copenhagen

SDFCPH

Louisville Intl

Mon 11/23

3:00 pm-10:40 am

1 stop13h 40m

Kastrup Copenhagen

Mon 11/30

1:50 pm-11:00 pm

1 stop15h 10m

$968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Copenhagen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Louisville and Copenhagen?

Prices are currently low for flights on this route.

Typical prices usually range from $957 to $1,032.
The lowest price recently found on this route was $759.

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Louisville is in October. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $547.

Can stopping save me money on Louisville to Copenhagen flights?

You could potentially save up to 16% on your flight if you consider stops on a Louisville to Copenhagen flight.

When to book flights from Louisville to Copenhagen

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Copenhagen according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Copenhagen (SDF to CPH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Copenhagen

Fastest flight time	11h 06m
Direct flights	None

The fastest flight from Louisville to Copenhagen takes 11h 06m

There are no direct flights from Louisville to Copenhagen. There are no popular flight routes from Louisville to Copenhagen.

Search flight deals

Frequently asked questions about flying from Louisville to Copenhagen

How far is Louisville Intl to Kastrup Copenhagen by plane?
A flight from Louisville Intl to Kastrup Copenhagen will travel around 4380.6 mi. In terms of flight time, this usually takes a little over 11h 06m.
When did momondo last update prices for flights from Louisville Intl Airport to Kastrup Copenhagen Airport?
Prices for flights from Louisville Intl Airport to Kastrup Copenhagen Airport are updated daily.
How many operators does momondo search for flights from Louisville Intl Airport to Kastrup Copenhagen Airport?
The number of operators available for flights from Louisville Intl Airport to Kastrup Copenhagen Airport is 3 as of August 2026.
How old do you have to be to fly from Louisville Intl Airport to Kastrup Copenhagen Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Kastrup Copenhagen Airport.
What documentation or ID do you need to fly to Kastrup Copenhagen Airport?
The necessary travel and health documents for your Kastrup Copenhagen Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Louisville to Copenhagen?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Copenhagen is Scandinavian Airlines (76% of total bookings). The next most popular airlines are American Airlines (13%) and Delta (11%).

Best airlines flying from Louisville to Copenhagen

Compare and see reviews for airlines that fly from Louisville to Copenhagen with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $338	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $546	Free Cancellation	Rating 7.4 1,953 reviews	Search Scandinavian Airlines flights
American Airlines	PriceFrom $708	Free Cancellation	Rating 7.1 11,941 reviews	Search American Airlines flights

Kastrup

Roskilde

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Why should I use momondo to find a flight deal from Louisville to Copenhagen?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Copenhagen. momondo saves you time and could save you money on your trip.

Can I find flights from Louisville to Copenhagen with flexible booking policies on momondo?

momondo does allow users to show only those flights to Copenhagen from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to Copenhagen?

momondo helps you find the best flight between Louisville and Copenhagen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to Copenhagen right now. Can momondo alert me if prices change?

Price alerts on flights to Copenhagen from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Copenhagen trip

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Cheap flights from Louisville to Copenhagen from $420

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Copenhagen departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Louisville to Copenhagen

Our best United Airlines deals on Louisville to Copenhagen flight tickets

Air Canada flights from Louisville to Copenhagen

Our best Air Canada deals on Louisville to Copenhagen flight tickets

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How to get the cheapest flight ticket from Louisville to Copenhagen

What is the typical price of a round-trip flight between Louisville and Copenhagen?

What is the cheapest month to fly to Copenhagen?

Can stopping save me money on Louisville to Copenhagen flights?

What is the cheapest airline that flies from Louisville Intl to Kastrup Copenhagen?

What airlines fly to Copenhagen?

Which airport is the most popular layover for flights between Louisville and Copenhagen?

Which layover airport offers the lowest fares from Louisville to Copenhagen?

Which layover airport has the shortest travel time from Louisville to Copenhagen?

Which layover airport has the shortest connection time from Louisville to Copenhagen?

When to book flights from Louisville to Copenhagen

Cheap Louisville to Copenhagen (SDF to CPH) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Copenhagen

Best airlines flying from Louisville to Copenhagen

Compare and see reviews for airlines that fly from Louisville to Copenhagen with momondo

Traveling to a place near Copenhagen?

Why use momondo?

An easier way to manage your Copenhagen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Denmark

Airports servicing Denmark

Fly your favorite airline to Copenhagen

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Copenhagen

List of cabin classes available on flights landing in Copenhagen. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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