$181 Cheap Flights from Washington (IAD) to Copenhagen (CPH)

View $181 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Copenhagen Airport, Kastrup (CPH)

Cheap Flights from Washington to Copenhagen (IAD-CPH)

Prices were available within the past 7 days and start at $181 for one-way flights and $386 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Thu, Nov 27 - Sat, Dec 6
IAD
Washington
CPH
Copenhagen
$386 Roundtrip, just found
$386
Roundtrip
just found
Select TAP Portugal flight, departing Thu, Nov 27 from Washington to Copenhagen, returning Sat, Dec 6, priced at $386 just found
TAP Portugal
Wed, Jan 14 - Sun, Jan 18
IAD
Washington
CPH
Copenhagen
$387 Roundtrip, found 15 hours ago
$387
Roundtrip
found 15 hours ago
Select TAP Portugal flight, departing Wed, Jan 14 from Washington to Copenhagen, returning Sun, Jan 18, priced at $387 found 15 hours ago
Scandinavian Airlines
Thu, Jan 22 - Wed, Feb 4
IAD
Washington
CPH
Copenhagen
$427 Roundtrip, found 10 hours ago
$427
Roundtrip
found 10 hours ago
Select Scandinavian Airlines flight, departing Thu, Jan 22 from Washington to Copenhagen, returning Wed, Feb 4, priced at $427 found 10 hours ago
Icelandair
Sat, Mar 7 - Wed, Mar 11
IAD
Washington
CPH
Copenhagen
$436 Roundtrip, found 10 hours ago
$436
Roundtrip
found 10 hours ago
Select Icelandair flight, departing Sat, Mar 7 from Washington to Copenhagen, returning Wed, Mar 11, priced at $436 found 10 hours ago
Scandinavian Airlines
Mon, Feb 16 - Wed, Feb 25
IAD
Washington
CPH
Copenhagen
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, Feb 16 from Washington to Copenhagen, returning Wed, Feb 25, priced at $461 found 2 days ago
United
Tue, Jan 13 - Thu, Jan 15
IAD
Washington
CPH
Copenhagen
$493 Roundtrip, found 2 hours ago
$493
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Jan 13 from Washington to Copenhagen, returning Thu, Jan 15, priced at $493 found 2 hours ago
Lufthansa
Wed, Mar 18 - Fri, Mar 20
IAD
Washington
CPH
Copenhagen
$506 Roundtrip, found 1 day ago
$506
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Mar 18 from Washington to Copenhagen, returning Fri, Mar 20, priced at $506 found 1 day ago
Air Canada
Sun, Aug 16 - Tue, Aug 25
IAD
Washington
CPH
Copenhagen
$519 Roundtrip, found 12 hours ago
$519
Roundtrip
found 12 hours ago
Select Air Canada flight, departing Sun, Aug 16 from Washington to Copenhagen, returning Tue, Aug 25, priced at $519 found 12 hours ago
Swiss International Air Lines
Thu, Nov 27 - Sat, Dec 13
IAD
Washington
CPH
Copenhagen
$529 Roundtrip, found 10 hours ago
$529
Roundtrip
found 10 hours ago
Select Swiss International Air Lines flight, departing Thu, Nov 27 from Washington to Copenhagen, returning Sat, Dec 13, priced at $529 found 10 hours ago
Delta
Tue, Nov 4 - Tue, Nov 11
IAD
Washington
CPH
Copenhagen
$535 Roundtrip, found 11 hours ago
$535
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Nov 4 from Washington to Copenhagen, returning Tue, Nov 11, priced at $535 found 11 hours ago

Find the cheapest month to fly from Washington (IAD) to Copenhagen (CPH)

March is typically the cheapest month to fly

From $271 - $695 per traveler.

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 $564
CPH
Kastrup
CheapestClosest
Average driving time to city center10 min
Flights from $564
Flights from Washington (IAD) to Copenhagen (CPH)
Origin airport
Washington Dulles 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, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$386
Distance
4061 mi
Average flight time
7 hours 50 mins

Washington to Copenhagen Flights

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

 

The best time to book a flight from Washington to Copenhagen

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Copenhagen in 2025. You can also book with separate airlines for your outbound and return journeys, from $181 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 Washington 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 Washington 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 Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH) cost?
Snag a cheap one-way flight from $181 or cheap return flight from $386 from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
The cheapest month to fly from IAD to CPH is November, when demand is low. Off-peak season is usually when airlines offer lower prices between these airports.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
You can fly nonstop from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH) on a SAS flight.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
To find the cheapest airline flying from IAD to CPH, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
On average, Washington Dulles Intl. Airport (IAD) has 6 nonstop flights to Kastrup Airport (CPH) each week. If you're looking for more options, use Expedia's filters to discover flights with a layover. Squeeze in a quick visit to another city or simply break up your trip.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
The 5 PM departures from IAD to CPH are the top choice for many travelers. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, pick a less crowded time to fly.
What day of the week has the most flights from IAD to CPH?
If you depart on a Friday, you'll get the widest range of options for flights from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
Washington Dulles Intl. Airport (IAD)'s first flight to Kastrup Airport (CPH) is at approximately 5:10PM UTC-5. With a total flight time of 8h 5m, you'll land at around 7:15AM UTC+1.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
The average flight time from IAD to CPH is 8 hours and 5 minutes, covering a total distance of 4,100 mi.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
To arrive at Kastrup Airport (CPH) on time, select a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance 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.
What airports do you fly into for Copenhagen from Washington Dulles Intl. Airport (IAD)?
Explore your flight options from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH). This is the only airport in Copenhagen you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH) last-minute?
Booking your ticket from IAD to CPH shortly before your getaway is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an IAD to CPH flight and hotel package?
Booking an IAD to CPH flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Kastrup Airport (CPH)?
In most cases, you're able to cancel or reschedule your IAD to CPH flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.