$407 Find Cheap Flights from Louisville to Denmark

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Denmark departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Louisville to Denmark Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Denmark that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Denmark

Mon, Mar 16 - Tue, Mar 31
Delta Logo
5:55 pm - 1:10 pm
SDF
-
CPH
14h 15m
2 stops
Delta Logo
9:00 am - 8:42 pm
CPH
-
SDF
17h 42m
1 stop
$581Delta
Mon, Mar 16 - Tue, Mar 31
Lufthansa Logo
5:45 pm - 5:35 pm
SDF
-
CPH
18h 50m
2 stops
Lufthansa Logo
2:40 pm - 8:16 pm
CPH
-
SDF
35h 36m
2 stops
$584Lufthansa
Mon, Mar 16 - Tue, Mar 31
Multiple Airlines Logo
1:58 pm - 12:00 pm
SDF
-
CPH
17h 02m
2 stops
Multiple Airlines Logo
12:45 pm - 11:12 pm
CPH
-
SDF
16h 27m
2 stops
$596Multiple Airlines
Mon, Mar 16 - Tue, Mar 31
Multiple Airlines Logo
1:58 pm - 1:35 pm
SDF
-
CPH
18h 37m
3 stops
Multiple Airlines Logo
12:45 pm - 11:12 pm
CPH
-
SDF
16h 27m
2 stops
$621Multiple Airlines
Fri, Apr 3 - Sun, Apr 12
United Airlines Logo
9:55 am - 10:50 am
SDF
-
CPH
42h 55m
2 stops
United Airlines Logo
12:45 pm - 9:59 pm
CPH
-
SDF
39h 14m
2 stops
$632United Airlines
Mon, Mar 16 - Tue, Mar 31
Scandinavian Airlines Logo
1:56 pm - 7:00 am
SDF
-
CPH
12h 04m
1 stop
Scandinavian Airlines Logo
1:35 pm - 9:16 pm
CPH
-
SDF
13h 41m
1 stop
$646Scandinavian Airlines
Sun, May 24 - Mon, Jun 8
Finnair Logo
7:20 pm - 4:15 pm
SDF
-
CPH
14h 55m
2 stops
Finnair Logo
7:25 pm - 11:25 pm
CPH
-
SDF
34h 00m
2 stops
$744Finnair
Sun, May 24 - Mon, Jun 8
Finnair Logo
7:20 pm - 11:10 pm
SDF
-
CPH
21h 50m
2 stops
Finnair Logo
7:25 pm - 11:25 pm
CPH
-
SDF
34h 00m
2 stops
$745Finnair
Fri, Mar 13 - Fri, Mar 20
United Airlines Logo
9:55 am - 2:05 pm
SDF
-
CPH
23h 10m
2 stops
United Airlines Logo
6:00 am - 2:47 pm
CPH
-
SDF
37h 47m
2 stops
$759United Airlines
Fri, Feb 6 - Tue, Feb 10
United Airlines Logo
11:10 am - 12:25 pm
SDF
-
CPH
19h 15m
2 stops
United Airlines Logo
10:10 am - 10:30 pm
CPH
-
SDF
18h 20m
2 stops
$795United Airlines
Booking Insights

KAYAK's insights & trends for Louisville to Denmark flights

Get data-powered insights and trends into flights from Louisville to Denmark to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Louisville to Denmark?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Louisville to Denmark, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Louisville to Denmark is December, when tickets cost $564 (return) on average. On the other hand, the most expensive months are October and June, when the average cost of round-trip tickets is $1,313 and $1,154 respectively.

Good to know

Low seasonOctober
Cheapest flight$407
Best time to beat the crowds but there is an average 54% increase in price.
Most popular time to fly and prices are also 34% lower on average.
Flight from Louisville to Copenhagen

FAQs - booking Denmark flights

  • How does KAYAK find such low prices on flights from Louisville to Denmark?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Denmark.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to Denmark?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Louisville to Denmark is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to Denmark?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Louisville to Denmark with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to Denmark?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Louisville to Denmark up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Louisville to Denmark

 
Need help choosing which airline to fly with from Louisville to Denmark? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8121 reviews
7.2Food
8.5Crew
7.9Comfort
7.8Entertainment
8.1Boarding
Airline reviews

It was last minute due to weather - considering - it was amazing! Good smiles, friendly staff and they were making sure we knew what was going on when and where.

10.0 ExcellentZebrina, Jan 2026
LGA - CAE
Read more Delta reviews

It was last minute due to weather - considering - it was amazing! Good smiles, friendly staff and they were making sure we knew what was going on when and where.

delta last minute gave me a boarding pass for a different flight with no confirmation that they were changing it

The flight was comfortable and uneventful, which is what I desire

The service from the flight attendants were of supreme quality. They greeted and treated everyone with a wide smile. This is totally absent nowadays. Kudos to them!!!!

Excellent flight and got us around tough weather. Only issue was seat TV did not work and crew tried to reboot.

Very large passenger too space from my own seat. Arm board couldn’t be lowered because of his size. It wads very uncomfortable trip, as the flight was full couldn’t move anywhere having back pain because of the position in which I was the entire flight.

was sitting in the jet bridge for 10 minutes in -20 degree weather waiting for my bag

Outdated equipment in disrepair, wifi inoperable. Broken seats, taped air vents, generally poor condition, the 717 showed its age and lack of upkeep.

My flight out of Baton Rouge to Atlanta was delayed by a half hour. This got us into Atlanta airport 30 minutes late. I ran through the airport to get to my connecting flight. As I approached the boarding gate, I saw the boarding door was still open and a passenger was being checked in. But when I got to the gate, the boarding agent told me they had already given away my seat and there were no empty seats on that flight. So I had to take a later flight. That has never happened to me before. Very frustrating.

Connection through Atlanta was difficult. Mechanical issue on plane caused a two hour delay. New gate was a mile away.

In overall it was a good experience, the only down point was that the entertainment screen was working properly.

HORRIBLE, my initial flight was cancelled, they made me pay $200 extra dollars and that got cancelled as well! After 6 cancellations I decided to get a refund because I needed to get home to my babies. Out of $1000+ dollars they offered me only $40 in refund! Totally unacceptable! The flight that they cancelled I was able to fly it on another airline. I had to spend $400 on one way tickets just to get home! I’m still getting the runaround.

First class ticket gets you a choice of chips or nuts. . Just like economy Southwest. Also no screen in the seats. This is first class???!

Seated dude next to me even though lots of empty rows. But main thing was we sat on the tarmac after landing for 30 minutes because of, in the words of the dude who sat next to me, “operational incompetence”. We got changing directions about where to pick up gate checked bags. Pilot and flight attendant were awesome though.

The food was terrible this time. Otherwise pleasant, quiet, on-time.

It was a pretty standard flight... until the almost hour and a half spent on the taxi way. I get that the weather has been poor but the delay had nothing to do with the weather and more to do with a plane with several issues tying up the gate. I get that that happens from time to time but this has been EVERY flight I've been on for the past 5 years and I fly 3 to 5 times a year. This isn't just United... it's American, it's Delta. It's an issue with the entire industry. I work for UPS and packages on a cargo plane get better service than people do these days. Anymore I HATE flying.

Flight arrived 30 min early and bag was waiting at the baggage pickup. United Club HNL was one of the nicest in the system

Unfortunately weather delayed our flight waiting for our plane to arrive and due to a little snow time was needed to deice the plane so departure was very delayed and I missed the connecting flight

Very good. Because of the delays with my previous flight, I missed my connection, but I was able to book another flight through the United app easily.

I wish there were outlets to charge my iPhone. The crew was great; we had a female pilot who was great with explaining what was happening and delays,

Fantastic. The only thing - out of my six luggage one was lost in Copenhagen, however it was delivered Home 3 Days later so all great..

in Austria they made me check in my carry on luggage, and it never arrived in JFK... I had medication there on ice that is useless now, I filed a report and they still cant licate my luggage? what kind of joke is this?

The crew was friendly, the flight was pleasant. Thank you for your service!

Our originating flight into Copenhagen was an hour delayed, causing us to miss our main flight from Copenhagen to the US. There had been snow and we needed to be de-iced, but they seemed very slow getting the flight ready, with no explanation. The delay caused us to be put in with thousands stuck at the airport with an all day wait to get rebooked on a flight 2 days out.

Flight was completely full January 9th? I problem i had the stewardess was bumping into me constantly walking by? very annoying.. on Austrian air I dint have this issue at all...

One of our bags was never put on the flight in Copenhagen. Now that we're home in the USA, my wife is still without most of her clothes and personal items as she returns to work this week. Hoping for a quick resolution, but there seems to be little chance of speaking with an actual person in the process.

really nothing ...uncomfortable seating, cramped ....no better than a US short hopper flight.. never again

Amazing! Everyone was so nice and the food was so good!!

Cut out the nickel and dime pricing for "seat selection" and baggage, To do this on an international flight is just mind boggling. Seriously, why treat customers this way??? Nobody wants these hidden extra fees and everybody hates them. Also plane was too warm and no air vent, and water dripped from the ceiling at one point,

I have paid for extra legroom on my flight. My seat was broken and did not recline. The crew could not fix it and refused to provide me with another seat

On time on a day with lots of weather cancellations on other flights. Thank you for getting me home during a winter storm!

Don't change gate multiple times make people run across the airport. Announce delays in a timely manner. Have maintenance crew ready. Don't delay and keep passengers on the plane for 3 hrs. on tarmac.

The plane was experiencing problems with the HVAC system, it was very cold in the front of the plane and very hot in the back.

My flight to London from Philadelphia was cancelled due to weather.

The attendants were kind and helpful. A sugar-free drink would have been very welcome.

Pilot navigated severe weather/snow storm with skill. Described his intentions clearly

one crew said "he" didn't serve double alcohol drinks for travelers in exit rows. crew on prior flight did. Is this a AA rule, and the prior crew was being nice? Also, I think we deserve more than a 25% refund for losing first class seats when rescheduling a flight due to weather

It was a little concerning to hear the ground crew arguing with the flight crew over baggage space. Instead of taking them and checking them, they started checking for space in the first class cabin moving items around like the flight crew didn't know what they were doing. I was embarrassed for them.

2 hour delay due to equipment failure. No updates via the app and airport screens (which continued to show a departure time in the past). AA eventually switched planes and the new plane was not catered or cleaned correctly.

I booked an aisle seat and was given a middle. At 6'4" 230lbs, it is not ideal to fly in the middle row for myself and passengers.

Everything you need to know for your flight from Louisville to Denmark

Information on your arrival and departure airports