$399 Cheap Flights from Philadelphia (PHL) to Copenhagen (CPH)

View $399 flight on Mon, Apr 13, 2026Opens in a new window

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

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Cheap Flights from Philadelphia to Copenhagen (PHL-CPH)

Prices were available within the past 7 days and start at $399 for one-way flights and $510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Tue, Oct 7 - Wed, Oct 15
PHL
Philadelphia
CPH
Copenhagen
$510 Roundtrip, found 5 days ago
$510
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Tue, Oct 7 from Philadelphia to Copenhagen, returning Wed, Oct 15, priced at $510 found 5 days ago
Delta
Tue, Sep 9 - Wed, Sep 17
PHL
Philadelphia
CPH
Copenhagen
$511 Roundtrip, found 5 days ago
$511
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep 9 from Philadelphia to Copenhagen, returning Wed, Sep 17, priced at $511 found 5 days ago
Virgin Atlantic
Tue, Jul 15 - Wed, Jul 23
PHL
Philadelphia
CPH
Copenhagen
$513 Roundtrip, found 5 days ago
$513
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Tue, Jul 15 from Philadelphia to Copenhagen, returning Wed, Jul 23, priced at $513 found 5 days ago
Delta
Mon, Sep 8 - Wed, Sep 17
PHL
Philadelphia
CPH
Copenhagen
$515 Roundtrip, found 5 days ago
$515
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Sep 8 from Philadelphia to Copenhagen, returning Wed, Sep 17, priced at $515 found 5 days ago
Air Canada
Tue, Mar 31 - Thu, Apr 2
PHL
Philadelphia
CPH
Copenhagen
$533 Roundtrip, found 5 days ago
$533
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Mar 31 from Philadelphia to Copenhagen, returning Thu, Apr 2, priced at $533 found 5 days ago
British Airways
Tue, Aug 19 - Tue, Aug 26
PHL
Philadelphia
CPH
Copenhagen
$536 Roundtrip, found 21 hours ago
$536
Roundtrip
found 21 hours ago
Select British Airways flight, departing Tue, Aug 19 from Philadelphia to Copenhagen, returning Tue, Aug 26, priced at $536 found 21 hours ago
Virgin Atlantic
Thu, Sep 4 - Sun, Sep 14
PHL
Philadelphia
CPH
Copenhagen
$537 Roundtrip, found 5 days ago
$537
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Thu, Sep 4 from Philadelphia to Copenhagen, returning Sun, Sep 14, priced at $537 found 5 days ago
American Airlines
Tue, Aug 19 - Fri, Aug 22
PHL
Philadelphia
CPH
Copenhagen
$540 Roundtrip, found 22 hours ago
$540
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Philadelphia to Copenhagen, returning Fri, Aug 22, priced at $540 found 22 hours ago
United
Mon, Apr 13 - Tue, Apr 21
PHL
Philadelphia
CPH
Copenhagen
$550 Roundtrip, found 19 hours ago
$550
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Apr 13 from Philadelphia to Copenhagen, returning Tue, Apr 21, priced at $550 found 19 hours ago
Austrian Airlines
Wed, Apr 29 - Wed, May 6
PHL
Philadelphia
CPH
Copenhagen
$574 Roundtrip, found 1 day ago
$574
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Wed, Apr 29 from Philadelphia to Copenhagen, returning Wed, May 6, priced at $574 found 1 day ago

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

November is typically the cheapest month to fly

From $475 - $949 per traveler.

Graph displaying average flight prices per month

Flights from Philadelphia (PHL) to Copenhagen (CPH)
Origin airport
Philadelphia Intl.
Destination airport
Kastrup
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$509
Distance
3935 mi
Average flight time
7 hours 35 mins

Philadelphia to Copenhagen Flights

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

 

The best time to book a flight from Philadelphia to Copenhagen

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Copenhagen in 2025. You can also book with separate airlines for your outbound and return journeys, from $399 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 Philadelphia 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 Philadelphia 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.

 

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Kastrup Airport (CPH) cost?
Cheap round-trip flights from Philadelphia Intl. Airport (PHL) to Kastrup Airport (CPH) start at $535. 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 PHL on July 27 2025 and touching down at CPH. The price was last updated on June 30 2025 and has not changed since.
What is the cheapest month to fly from PHL to CPH?
Lock in a cheap ticket by booking your nonstop flight from PHL to CPH in August. You can find a one-way American Airlines flight for $503 leaving on August 13 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on June 30 2025 and remains unchanged.
What is the cheapest airline that flies from PHL to CPH?
Book a flight from PHL to CPH with British Airways. This airline currently offers the cheapest one-way ticket for this route, starting from $503. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHL on August 25 2025. Prices were last updated on June 30 2025 and have not changed since.
How many flights per day from Philadelphia Intl. Airport (PHL) to Kastrup Airport (CPH)?
There are no daily nonstop flights available from Philadelphia Intl. Airport (PHL) to Kastrup Airport (CPH). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from PHL to CPH?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Kastrup Airport (CPH)?
Select a flight from Philadelphia Intl. Airport (PHL) to Kastrup Airport (CPH) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 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 Philadelphia Intl. Airport (PHL) to Kastrup Airport (CPH) last-minute?
Holding off until just before your departure to book a ticket from PHL to CPH often results in higher prices. While it's possible to find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans for the best chance of landing a bargain.
Is it cheaper to book a PHL to CPH flight and hotel package?
You'll generally save money by securing a PHL to CPH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal accommodations and flights, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Kastrup Airport (CPH)?
It's generally possible to cancel or reschedule your PHL to CPH flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.