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

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

What airlines fly to Denmark?

Scandinavian Airlines, Delta and British Airways are the top three most popular airlines that fly to Denmark 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 Denmark. Keep in mind that there are 5 different airlines that fly to Denmark 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 Denmark?

Prices for flights from Louisville Intl Airport to Denmark were last updated today.

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

As of August 2026, there are 3 operators available to choose from for flights from Louisville Intl Airport to Denmark.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Denmark.

What documentation or ID do you need to fly to Denmark?

The necessary travel and health documents for your Denmark 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 Denmark in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Denmark

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 Denmark

Our best United Airlines deals on Louisville to Denmark 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 Denmark

Our best Air Canada deals on Louisville to Denmark 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 Denmark

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

What is the cheapest month to fly to Denmark?

In general, October is the cheapest month to fly from Louisville to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Denmark 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 Denmark flights?

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

Cheap Louisville to Denmark flight deals and tips

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

Fastest flight time	11h 06m
Direct flights	None

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

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

Search flight deals

Frequently asked questions about flying from Louisville to Denmark

When did momondo last update prices for flights from Louisville Intl Airport to Denmark?
Prices for flights from Louisville Intl Airport to Denmark were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to Denmark?
As of August 2026, there are 3 operators available to choose from for flights from Louisville Intl Airport to Denmark.
How old do you have to be to fly from Louisville Intl Airport to Denmark?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Denmark.
What documentation or ID do you need to fly to Denmark?
The necessary travel and health documents for your Denmark 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.

Best airlines flying from Louisville to Denmark

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $338	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $546	Free Cancellation	Rating 7.4 1,952 reviews	Search Scandinavian Airlines flights
American Airlines	PriceFrom $708	Free Cancellation	Rating 7.1 11,947 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Denmark. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Denmark from Louisville with this policy.

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

momondo provides multiple filters to help you find the best flight to Denmark from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Denmark 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 Denmark trip

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Feeling lucky

Popular cities in Denmark

Flights to Copenhagenfrom $418

Flights to Billundfrom $502

Flights to Aalborgfrom $561

Flights to Aarhusfrom $578

Flights to Sønderborgfrom $994

Flights to Karupfrom $1,271

Cheap flights from Louisville to Denmark 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 Denmark 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 Denmark

Our best United Airlines deals on Louisville to Denmark flight tickets

Air Canada flights from Louisville to Denmark

Our best Air Canada deals on Louisville to Denmark flight tickets

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How to get the cheapest flight ticket from Louisville to Denmark

What is the cheapest month to fly to Denmark?

Can stopping save me money on Louisville to Denmark flights?

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

What airlines fly to Denmark?

Cheap Louisville to Denmark flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Denmark

Best airlines flying from Louisville to Denmark

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

Why use momondo?

An easier way to manage your Denmark 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

Popular cities in Denmark

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

Louisville flight routes

According to popular flight searches on momondo this year

Denmark flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Denmark

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

Cabin classes currently available on flights to Denmark

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

Complete your trip to Denmark

Explore popular destinations other users love

According to popular flight searches on momondo this year