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£186 Cheap Flights from Washington (IAD) to Copenhagen (CPH)

View £186 flight on Wed, 25 Nov 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Kastrup Airport (CPH)

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

Prices were available within the past 7 days and start at £186 for one-way flights and £337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, 15 Oct - Mon, 19 Oct
IAD
Washington
CPH
Copenhagen
£337 Return, found 11 hours ago
£337
Return
found 11 hours ago
Select Icelandair flight, departing Thu, 15 Oct from Washington to Copenhagen, returning Mon, 19 Oct, priced at £337 found 11 hours ago
Icelandair
Sun, 1 Nov - Sat, 7 Nov
IAD
Washington
CPH
Copenhagen
£406 Return, found 3 days ago
£406
Return
found 3 days ago
Select Icelandair flight, departing Sun, 1 Nov from Washington to Copenhagen, returning Sat, 7 Nov, priced at £406 found 3 days ago
Icelandair
Mon, 17 Aug - Thu, 27 Aug
IAD
Washington
CPH
Copenhagen
£461 Return, found 15 hours ago
£461
Return
found 15 hours ago
Select Icelandair flight, departing Mon, 17 Aug from Washington to Copenhagen, returning Thu, 27 Aug, priced at £461 found 15 hours ago
TAP Portugal
Mon, 17 Aug - Thu, 27 Aug
IAD
Washington
CPH
Copenhagen
£467 Return, found 15 hours ago
£467
Return
found 15 hours ago
Select TAP Portugal flight, departing Mon, 17 Aug from Washington to Copenhagen, returning Thu, 27 Aug, priced at £467 found 15 hours ago
Scandinavian Airlines
Mon, 17 Aug - Thu, 27 Aug
IAD
Washington
CPH
Copenhagen
£540 Return, found 15 hours ago
£540
Return
found 15 hours ago
Select Scandinavian Airlines flight, departing Mon, 17 Aug from Washington to Copenhagen, returning Thu, 27 Aug, priced at £540 found 15 hours ago
British Airways
Mon, 19 Oct - Thu, 22 Oct
IAD
Washington
CPH
Copenhagen
£557 Return, found 11 hours ago
£557
Return
found 11 hours ago
Select British Airways flight, departing Mon, 19 Oct from Washington to Copenhagen, returning Thu, 22 Oct, priced at £557 found 11 hours ago
Virgin Atlantic
Mon, 27 Jul - Wed, 19 Aug
IAD
Washington
CPH
Copenhagen
£568 Return, found 6 days ago
£568
Return
found 6 days ago
Select Virgin Atlantic flight, departing Mon, 27 Jul from Washington to Copenhagen, returning Wed, 19 Aug, priced at £568 found 6 days ago
Air Canada
Tue, 18 Aug - Tue, 25 Aug
IAD
Washington
CPH
Copenhagen
£568 Return, found 4 days ago
£568
Return
found 4 days ago
Select Air Canada flight, departing Tue, 18 Aug from Washington to Copenhagen, returning Tue, 25 Aug, priced at £568 found 4 days ago
Lufthansa
Wed, 19 Aug - Wed, 26 Aug
IAD
Washington
CPH
Copenhagen
£570 Return, found 1 day ago
£570
Return
found 1 day ago
Select Lufthansa flight, departing Wed, 19 Aug from Washington to Copenhagen, returning Wed, 26 Aug, priced at £570 found 1 day ago
Brussels Airlines
Mon, 17 Aug - Mon, 24 Aug
IAD
Washington
CPH
Copenhagen
£571 Return, found 4 days ago
£571
Return
found 4 days ago
Select Brussels Airlines flight, departing Mon, 17 Aug from Washington to Copenhagen, returning Mon, 24 Aug, priced at £571 found 4 days ago

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 centre is 10 minutes. Flights from £507
CPH
Kastrup
CheapestClosest
Average driving time to city centre10 min
Flights from £507

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup) cost?
You can find one-way and return flights from IAD to CPH with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to CPH ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup)?
The cheapest months to fly from IAD to CPH are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup)?
Only one airline offers direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup). SAS operates 7 direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup) every week.
How do I find cheap flights from Washington, DC (IAD) to Copenhagen (CPH)?
To find a cheap flight from Washington, DC (IAD) to Copenhagen (CPH), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup)?
The earliest flight from Washington Dulles Intl. (IAD) to Kastrup (CPH) typically departs around 6:00 AM. This flight is operated by Delta and is a seasonal service, active in May, June, July, and August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup)?
When flying from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup), you can find nonstop flights that typically take around 7 hours 48 minutes. This journey covers a distance of approximately 6,537 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 12 hours 18 minutes. Flights with two or more stops generally take even longer, averaging about 16 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Washington, DC (IAD) to Copenhagen (CPH)?
Select the "Business class" and "First class" filters when looking for Washington, DC (IAD) to Copenhagen (CPH) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Copenhagen (CPH) from Washington, DC (IAD)?
If you're planning to travel to Copenhagen from Washington Dulles Intl. (IAD), you can fly directly into Kastrup (CPH). Some flights may connect through major hubs like Pearson Intl. (YYZ), Charlotte-Douglas Intl. (CLT), or Heathrow (LHR) before reaching Copenhagen. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Copenhagen (CPH-Kastrup) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals 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, DC (IAD) to Copenhagen (CPH)?
If you booked your Washington, DC (IAD) to Copenhagen (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 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Kastrup
Airlines serving
Air Canada, Air France, Austrian Airlines, British Airways, Brussels Airlines, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, Virgin Atlantic
Return price
£337
Distance
6498 km
Average flight time
7 hours 50 mins

Book with confidence

Compare flights from Washington to Copenhagen easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Copenhagen. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kastrup in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Kastrup.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Kastrup (CPH)

The easiest way to view the best deals on flights from Washington to Copenhagen today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Kastrup start at just £337 and range up to £571.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Copenhagen
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Copenhagen flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Kastrup for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Washington to Copenhagen easily and book with confidence

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