$405 Cheap Flights from Louisville (SDF) to Copenhagen (CPH)

View $405 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Copenhagen Airport, Kastrup (CPH)

Cheap Flights from Louisville to Copenhagen (SDF-CPH)

Prices were available within the past 7 days and start at $405 for one-way flights and $541 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 9 - Thu, Dec 25
SDF
Louisville
CPH
Copenhagen
$541 Roundtrip, found 17 hours ago
$541
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Dec 9 from Louisville to Copenhagen, returning Thu, Dec 25, priced at $541 found 17 hours ago
British Airways
Fri, Jan 9 - Fri, Jan 16
SDF
Louisville
CPH
Copenhagen
$542 Roundtrip, found 1 hour ago
$542
Roundtrip
found 1 hour ago
Select British Airways flight, departing Fri, Jan 9 from Louisville to Copenhagen, returning Fri, Jan 16, priced at $542 found 1 hour ago
Delta
Tue, Dec 30 - Wed, Jan 14
SDF
Louisville
CPH
Copenhagen
$543 Roundtrip, found 17 hours ago
$543
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Dec 30 from Louisville to Copenhagen, returning Wed, Jan 14, priced at $543 found 17 hours ago
Delta
Mon, Dec 8 - Thu, Dec 25
SDF
Louisville
CPH
Copenhagen
$549 Roundtrip, found 17 hours ago
$549
Roundtrip
found 17 hours ago
Select Delta flight, departing Mon, Dec 8 from Louisville to Copenhagen, returning Thu, Dec 25, priced at $549 found 17 hours ago
United
Fri, Dec 5 - Tue, Dec 16
SDF
Louisville
CPH
Copenhagen
$549 Roundtrip, found 17 hours ago
$549
Roundtrip
found 17 hours ago
Select United flight, departing Fri, Dec 5 from Louisville to Copenhagen, returning Tue, Dec 16, priced at $549 found 17 hours ago
Lufthansa
Fri, Jan 9 - Fri, Jan 16
SDF
Louisville
CPH
Copenhagen
$551 Roundtrip, found 1 hour ago
$551
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Fri, Jan 9 from Louisville to Copenhagen, returning Fri, Jan 16, priced at $551 found 1 hour ago
Delta
Mon, Jan 12 - Tue, Jan 20
SDF
Louisville
CPH
Copenhagen
$551 Roundtrip, found 4 days ago
$551
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 12 from Louisville to Copenhagen, returning Tue, Jan 20, priced at $551 found 4 days ago
Delta
Wed, Jan 7 - Tue, Jan 13
SDF
Louisville
CPH
Copenhagen
$552 Roundtrip, found 7 hours ago
$552
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Jan 7 from Louisville to Copenhagen, returning Tue, Jan 13, priced at $552 found 7 hours ago
Lufthansa
Fri, Jan 9 - Fri, Jan 16
SDF
Louisville
CPH
Copenhagen
$553 Roundtrip, found 1 hour ago
$553
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Fri, Jan 9 from Louisville to Copenhagen, returning Fri, Jan 16, priced at $553 found 1 hour ago
American Airlines
Tue, Dec 9 - Wed, Dec 24
SDF
Louisville
CPH
Copenhagen
$562 Roundtrip, just found
$562
Roundtrip
just found
Select American Airlines flight, departing Tue, Dec 9 from Louisville to Copenhagen, returning Wed, Dec 24, priced at $562 just found

Alternative airports near Copenhagen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kastrup CPH. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $689
CPH
Kastrup
CheapestClosest
Average driving time to city center10 min
Flights from $689

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH) cost?
Snag a cheap one-way flight from $405 or cheap return flight from $541 from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH)?
December is the cheapest month to fly from SDF to CPH. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from SDF to CPH. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH)?
Nonstop flights from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to CPH?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH)?
To avoid potential delays on the Louisville Intl. Airport (SDF) to Kastrup Airport (CPH) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH) last-minute?
Holding off until just before your departure to book a flight from SDF to CPH often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a SDF to CPH flight and hotel package?
Compared with arranging hotels and flights separately, booking a SDF to CPH flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Kastrup Airport (CPH)?
If you reserved your SDF to CPH flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Louisville Intl.
Destination airport
Kastrup
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price
$541
Distance
4390 mi

Book with confidence

Louisville to Copenhagen Flights

The cheapest times to fly from Louisville to Copenhagen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to Copenhagen are during the month of December. You can find some of the cheapest flights from Louisville to Copenhagen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Copenhagen

Sunday is one of the best days to book for cheap flights from Louisville to Copenhagen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to Copenhagen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to Copenhagen in 2025. You can also book with separate airlines for your outbound and return journeys, from $405 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to Copenhagen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to Copenhagen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Louisville to Copenhagen Flights

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*Available to One Key members.