$498 Cheap Flights from Copenhagen (CPH) to Philadelphia (PHL)

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Copenhagen to Philadelphia (CPH-PHL)

Prices were available within the past 7 days and start at $498 for one-way flights and $489 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
British Airways
American Airlines
Lufthansa
United
British Airways
Air Canada
Lufthansa
Delta
Virgin Atlantic

Find the cheapest month to fly from Copenhagen (CPH) to Philadelphia (PHL)

November is typically the cheapest month to fly

From $395 - $971 per traveler.

Graph displaying average flight prices per month

Alternative airports near Philadelphia

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

Flights from Copenhagen (CPH) to Philadelphia (PHL)
Origin airport
Kastrup
Destination airport
Philadelphia Intl.
Airlines serving
Air Canada, Austrian Airlines, British Airways, Brussels Airlines, Finnair, Iberia, Icelandair, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$489
Distance
3935 mi
Average flight time
8 hours 15 mins

Copenhagen to Philadelphia Flights

The cheapest times to fly from Copenhagen to Philadelphia

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

 

The best time to book a flight from Copenhagen to Philadelphia

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

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 Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $498 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 Philadelphia 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 Philadelphia 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.

 

Frequently asked questions

How much does a flight from Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL) cost?
Cheap round-trip flights from Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL) start at $513. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a British Airways flight leaving CPH on August 8 2025 and touching down at PHL. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from CPH to PHL?
The cheapest flights from CPH to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CPH to PHL?
With prices starting from $631 for a one-way flight from CPH to PHL, British Airways is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CPH on September 3 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL)?
Direct flights from Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CPH to PHL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 airline has the least delays from CPH to PHL?
Consider booking with American Airlines if you'd like to fly straight from Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL) without any delays. This carrier has the best track record for punctuality, with an on-time score of 86%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL)?
To avoid possible delays on the Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL) route, aim to fly before 3 PM. Later flights 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 Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your ticket from CPH to PHL shortly before your getaway is typically more expensive. But if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a CPH to PHL flight and hotel package?
Booking a CPH to PHL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kastrup Airport (CPH) to Philadelphia Intl. Airport (PHL)?
If you booked your CPH to PHL flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.