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$233+ Cheap flights from Dulles Intl (IAD) to Copenhagen (CPH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CPH
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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Find cheap flights from Dulles Intl to Copenhagen with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Kastrup Copenhagen are usually found in February or October, booked 33 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Dulles Intl to Copenhagen

Cheapest flights from Dulles Intl to Copenhagen
Explore the most affordable flight options available from Dulles Intl to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.

This AirNGo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Wed 4/292:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 3/25$537
This Gotogate deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:30 pm
IAD
-
CPH
1 stop19h 15m
Icelandair
Fri 4/172:00 pm
CPH
-
IAD
1 stop11h 20m
Icelandair
Deal found 3/25$538
This Mytrip deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:30 pm
IAD
-
CPH
1 stop19h 15m
Icelandair
Wed 4/2910:35 pm
CPH
-
IAD
1 stop26h 45m
Icelandair
Deal found 3/22$541
This Super.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:30 pm
IAD
-
CPH
1 stop13h 25m
Icelandair
Sun 4/1910:35 pm
CPH
-
IAD
1 stop26h 45m
Icelandair
Deal found 3/22$546
This Cheapflightsfares deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Thu 4/232:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 3/23$547
This Cheapflightsfares deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Fri 5/82:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 3/21$549

Find flight deals from Dulles Intl to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$537
(AirNGo)

One-way from

$233
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$563

Good round-trip deal

$564 or less

Good one-way deal

$382 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Kastrup Copenhagen flights.
Search Deals
From Washington, D.C. Dulles Intl to Kastrup Copenhagen
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Kastrup Copenhagen
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Kastrup Copenhagen.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Kastrup Copenhagen.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Copenhagen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 4/27

5:30 pm-5:20 pm

1 stop17h 50m

Kastrup Copenhagen

Sat 5/2

12:45 pm-11:50 am

2 stops29h 05m

$713

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sun 4/5

5:40 pm-11:05 am

1 stop11h 25m

Kastrup Copenhagen

Wed 4/8

7:10 pm-3:35 pm

1 stop26h 25m

$713

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 4/20

5:45 pm-11:10 pm

2 stops23h 25m

Kastrup Copenhagen

Wed 5/6

5:00 pm-3:50 pm

2 stops28h 50m

$727
Quickest round-trip

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sat 7/18

8:20 pm-10:10 am

Nonstop7h 50m

Kastrup Copenhagen

Wed 8/5

2:25 pm-5:00 pm

Nonstop8h 35m

$762

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 4/22

10:15 pm-8:05 am

2 stops27h 50m

Kastrup Copenhagen

Sat 5/2

7:25 pm-5:25 pm

2 stops28h 00m

$819

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Tue 6/16

3:45 pm-8:55 am

1 stop11h 10m

Kastrup Copenhagen

Thu 6/18

8:40 am-11:19 pm

2 stops20h 39m

$847

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 4/22

10:15 pm-8:05 am

2 stops27h 50m

Kastrup Copenhagen

Sun 4/26

5:00 pm-8:10 pm

2 stops33h 10m

$875

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 4/22

5:30 pm-5:20 pm

1 stop17h 50m

Kastrup Copenhagen

Sun 4/26

12:45 pm-9:25 pm

2 stops14h 40m

$876

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Thu 7/23

8:20 pm-10:10 am

Nonstop7h 50m

Kastrup Copenhagen

Mon 8/3

2:25 pm-5:00 pm

Nonstop8h 35m

$898

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sun 7/12

12:35 pm-8:55 am

2 stops14h 20m

Kastrup Copenhagen

Wed 7/15

6:00 am-4:05 pm

2 stops16h 05m

$900

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 24 resultsSorted by cheapest first
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Compare providers for flights from Dulles Intl to Copenhagen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Copenhagen in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Copenhagen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Copenhagen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Copenhagen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Copenhagen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Copenhagen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Copenhagen

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Copenhagen. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Copenhagen, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen (average of $397). Flying from Washington, D.C. Dulles Intl Airport to Copenhagen in June is currently the most expensive (average of $594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to CPH?

Find hourly flight availability from Dulles Intl to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Copenhagen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Copenhagen?

The best insider tips for Washington, D.C. Dulles Intl Airport to Copenhagen flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Copenhagen trip
Our travel experts
John Walton

John Walton

Expert on CPH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Copenhagen

Get insights into the airlines that provide service to Copenhagen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Copenhagen. Reviews last updated March 26, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andScandinavian Airlines from Washington, D.C. Dulles Intl Airport to Copenhagen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,331 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,331 reviews
Delta
7.9
Good
8,331 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,483 reviews
Delta
7.9
Good
8,331 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.3
Good
1,724 reviews
Delta
7.9
Good
8,331 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
625 reviews
Delta
7.9
Good
8,331 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,870 reviews
Delta
7.9
Good
8,331 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Copenhagen from Washington, D.C. Dulles Intl?

    Kastrup Copenhagen (CPH), located 5.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Copenhagen. 10 airlines have flights to Kastrup Copenhagen from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Kastrup Copenhagen should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Copenhagen?

    United Airlines, KLM, and Finnair can get you from Washington, D.C. Dulles Intl Airport to Copenhagen in just under 11h 25m. Your travel time can differ by up to 12h. The distance between Washington, D.C. Dulles Intl Airport and Copenhagen is about 4060 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Copenhagen round-trip?

    British Airways, at $269, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Copenhagen.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Icelandair. These flights start at 57% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Copenhagen one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $158. However, be on the lookout for offers from Icelandair and Scandinavian Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Copenhagen for a low price.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Copenhagen?

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Copenhagen are Air France (77%), Delta (77%) and Scandinavian Airlines (65%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Copenhagen?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Copenhagen is $368. On average you can expect to pay $1,083. The most popular route, (Washington, D.C. Dulles Intl - Kastrup Copenhagen), can usually be booked for $540.

  • Can I find deals for flights from Dulles Intl to Copenhagen that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Copenhagen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Copenhagen.

  • Can I find deals for business class flights from Dulles Intl to Copenhagen?

    Yes. Cheapflights offers flight deals from Dulles Intl to Copenhagen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen (average of $397). Flying from Washington, D.C. Dulles Intl Airport to Copenhagen in June is currently the most expensive (average of $594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

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Alternative routes for Dulles Intl to Copenhagen

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Copenhagen flights
Baltimore to Copenhagen flights
Dulles Intl to Billund flights
Baltimore to Aalborg flights

Top 10 airlines flying from Dulles Intl to Copenhagen

Discover the top 10 airlines that operate flights from Dulles Intl to Copenhagen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$269Average$669FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$354Average$499FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$410Average$542FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$482Average$707FlexibilityNo cancel feeOn-time77%
SWISSCheapest$493Average$645FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$535Average$706FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$538Average$658FlexibilityNo cancel feeOn-time76%
KLMCheapest$542Average$869FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$571Average$765FlexibilityNo cancel feeOn-time77%
DeltaCheapest$701Average$1,031FlexibilityNo cancel feeOn-timeN/A

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