$345 Cheap Flights from Copenhagen (CPH) to Key West (EYW)

View $345 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Key West Intl. Airport (EYW)

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Cheap Flights from Copenhagen to Key West (CPH-EYW)

Prices were available within the past 7 days and start at $345 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Kastrup Airport (CPH) to Key West Intl. Airport (EYW) cost?
Lock in a cheap one-way flight from $345 or cheap return flight from Kastrup Airport (CPH) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Kastrup Airport (CPH) to Key West Intl. Airport (EYW)?
Traveling in may help you find better deals, as it's the cheapest month for flights between CPH and EYW. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Kastrup Airport (CPH) to Key West Intl. Airport (EYW)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CPH to EYW flight.
How many flights per day from Kastrup Airport (CPH) to Key West Intl. Airport (EYW)?
There aren't any daily nonstop flights from Kastrup Airport (CPH) to Key West Intl. Airport (EYW). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from CPH to EYW?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kastrup Airport (CPH) to Key West Intl. Airport (EYW)?
To land at Key West Intl. Airport (EYW) on time, pick a flight that leaves Kastrup Airport (CPH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Kastrup Airport (CPH) to Key West Intl. Airport (EYW) last-minute?
Last-minute fares from CPH to EYW are usually more expensive. To secure the lowest rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a CPH to EYW flight and hotel package?
Compared with arranging hotels and flights separately, booking a CPH to EYW flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Kastrup Airport (CPH) to Key West Intl. Airport (EYW)?
In most instances, you can modify or cancel your CPH to EYW flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Origin airport
Kastrup
Destination airport
Key West Intl.
Distance
4997 mi

Book with confidence

Copenhagen to Key West Flights

The cheapest times to fly from Copenhagen to Key West

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 Copenhagen to Key West are during the month of . You can find some of the cheapest flights from Copenhagen to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to Key West

Sunday is one of the best days to book for cheap flights from Copenhagen to Key West: 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 Copenhagen to Key West

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 Copenhagen to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $345 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 Copenhagen to Key West 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 Copenhagen to Key West 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.

 

Copenhagen to Key West Flights

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*Available to One Key members.