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Cheap flights from Louisville to Copenhagen from $408

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 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Copenhagen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:07 am - 10:50 am
SDF
-
CPH
43h 43m
2 stops
Multiple Airlines Logo
6:20 am - 11:46 pm
CPH
-
SDF
23h 26m
2 stops
$648Multiple Airlines
Fri, Apr 3 - Sun, Apr 12
American Airlines Logo
6:25 pm - 11:35 am
SDF
-
CPH
11h 10m
1 stop
American Airlines Logo
3:20 pm - 11:47 am
CPH
-
SDF
26h 27m
1 stop
$732American Airlines
Tue, Jun 9 - Tue, Jun 16
American Airlines Logo
6:25 pm - 11:35 am
SDF
-
CPH
11h 10m
1 stop
American Airlines Logo
12:25 pm - 10:16 pm
CPH
-
SDF
15h 51m
2 stops
$735American Airlines
Tue, Jun 9 - Tue, Jun 16
Finnair Logo
7:20 pm - 6:40 pm
SDF
-
CPH
17h 20m
2 stops
Finnair Logo
12:25 pm - 10:16 pm
CPH
-
SDF
15h 51m
2 stops
$744Finnair
Tue, Jun 9 - Tue, Jun 16
Finnair Logo
7:20 pm - 6:40 pm
SDF
-
CPH
17h 20m
2 stops
Finnair Logo
7:25 pm - 11:25 pm
CPH
-
SDF
34h 00m
2 stops
$746Finnair
Sun, May 24 - Mon, Jun 8
United Airlines Logo
5:35 am - 11:25 am
SDF
-
CPH
23h 50m
2 stops
United Airlines Logo
6:50 am - 10:13 pm
CPH
-
SDF
21h 23m
2 stops
$798United Airlines
Fri, Feb 13 - Sun, Feb 22
American Airlines Logo
7:20 pm - 4:15 pm
SDF
-
CPH
14h 55m
2 stops
American Airlines Logo
3:20 pm - 11:47 am
CPH
-
SDF
26h 27m
1 stop
$801American Airlines
Sun, May 24 - Mon, Jun 8
American Airlines Logo
6:25 pm - 11:35 am
SDF
-
CPH
11h 10m
1 stop
American Airlines Logo
3:20 pm - 11:47 am
CPH
-
SDF
26h 27m
1 stop
$823American Airlines
Sun, May 24 - Mon, Jun 8
United Airlines Logo
1:47 pm - 11:25 am
SDF
-
CPH
16h 38m
2 stops
United Airlines Logo
6:50 am - 7:42 pm
CPH
-
SDF
17h 52m
2 stops
$853United Airlines
Fri, Mar 20 - Fri, Mar 27
American Airlines Logo
7:20 pm - 4:15 pm
SDF
-
CPH
14h 55m
2 stops
American Airlines Logo
3:20 pm - 11:47 am
CPH
-
SDF
26h 27m
1 stop
$888American Airlines
Sun, May 24 - Mon, Jun 8

Finnair flights from Louisville to Copenhagen

Our best Finnair deals on Louisville to Copenhagen flight tickets
Finnair
Jun 9
SDF7:20 pmLouisville Intl
17h 20m
2 stops
CPH6:40 pmKastrup Copenhagen
Jun 16
CPH12:25 pmKastrup Copenhagen
15h 51m
2 stops
SDF10:16 pmLouisville Intl
$744
Finnair
May 24
SDF7:20 pmLouisville Intl
17h 20m
2 stops
CPH6:40 pmKastrup Copenhagen
Jun 8
CPH7:25 pmKastrup Copenhagen
34h 00m
2 stops
SDF11:25 pmLouisville Intl
$746

American Airlines flights from Louisville to Copenhagen

Our best American Airlines deals on Louisville to Copenhagen flight tickets
American Airlines
Jun 9
SDF6:25 pmLouisville Intl
11h 10m
1 stop
CPH11:35 amKastrup Copenhagen
Jun 16
CPH3:20 pmKastrup Copenhagen
26h 27m
1 stop
SDF11:47 amLouisville Intl
$732
American Airlines
Jun 9
SDF6:25 pmLouisville Intl
11h 10m
1 stop
CPH11:35 amKastrup Copenhagen
Jun 16
CPH12:25 pmKastrup Copenhagen
15h 51m
2 stops
SDF10:16 pmLouisville Intl
$735
American Airlines
May 24
SDF7:20 pmLouisville Intl
14h 55m
2 stops
CPH4:15 pmKastrup Copenhagen
Jun 8
CPH3:20 pmKastrup Copenhagen
26h 27m
1 stop
SDF11:47 amLouisville Intl
$801

momondo 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Louisville to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Fri 4/3

9:07 am-10:50 am

2 stops43h 43m

Kastrup Copenhagen

Sun 4/12

6:20 am-11:46 pm

2 stops23h 26m

$648

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Tue 6/9

6:25 pm-11:35 am

1 stop11h 10m

Kastrup Copenhagen

Tue 6/16

3:20 pm-11:47 am

1 stop26h 27m

$732

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Tue 6/9

6:25 pm-11:35 am

1 stop11h 10m

Kastrup Copenhagen

Tue 6/16

12:25 pm-10:16 pm

2 stops15h 51m

$735

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Tue 6/9

7:20 pm-6:40 pm

2 stops17h 20m

Kastrup Copenhagen

Tue 6/16

12:25 pm-10:16 pm

2 stops15h 51m

$744

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sun 5/24

7:20 pm-6:40 pm

2 stops17h 20m

Kastrup Copenhagen

Mon 6/8

7:25 pm-11:25 pm

2 stops34h 00m

$746

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Fri 2/13

5:35 am-11:25 am

2 stops23h 50m

Kastrup Copenhagen

Sun 2/22

6:50 am-10:13 pm

2 stops21h 23m

$798

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sun 5/24

7:20 pm-4:15 pm

2 stops14h 55m

Kastrup Copenhagen

Mon 6/8

3:20 pm-11:47 am

1 stop26h 27m

$801

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

$823

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Fri 3/20

1:47 pm-11:25 am

2 stops16h 38m

Kastrup Copenhagen

Fri 3/27

6:50 am-7:42 pm

2 stops17h 52m

$853

LouisvilleCopenhagen

SDF - CPH

SDFCPH

Louisville Intl

Sun 5/24

7:20 pm-4:15 pm

2 stops14h 55m

Kastrup Copenhagen

Mon 6/8

3:20 pm-11:47 am

1 stop26h 27m

$888

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Copenhagen from

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

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Louisville is in December. Flight prices, which tend to average around $564, 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 December, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $617.

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

16h 20m

Direct flights

None
The fastest flight from Louisville to Copenhagen takes 16h 20m
There are no direct flights from Louisville to Copenhagen. There are no popular flight routes from Louisville to Copenhagen.
Search flight deals

  • 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 16h 20m.

  • 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?

  • 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?

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
DeltaPriceFrom $338Free CancellationRating
7.9
8,135 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $546Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $639Free CancellationRating
7.4
9,232 reviews
Search United Airlines flights
American AirlinesPriceFrom $640Free CancellationRating
7.2
11,215 reviews
Search American Airlines flights

Traveling to a place near Copenhagen?

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

Why use momondo?

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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