Dulles Intl

$318+ Cheap flights from Copenhagen (CPH) to Dulles Intl (IAD)

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — IAD
Dec 5 — Dec 121
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Find cheap flights from Copenhagen to Dulles Intl with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Kastrup Copenhagen to Washington, D.C. Dulles Intl are usually found in February or March, booked 47 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from Copenhagen to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Copenhagen (CPH) to Dulles Intl (IAD). 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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$464
(ResecentrumGruppen)

One-way from

$318
(Iberia)

Popular in

July

Cheapest in

February

Average price

$506

Good round-trip deal

$694 or less

Good one-way deal

$740 or less
Provider with most accurate pricing for Kastrup Copenhagen-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Kastrup Copenhagen-Washington, D.C. Dulles Intl flights.
From Kastrup Copenhagen to Washington, D.C. Dulles Intl
One-way flight from Kastrup Copenhagen to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 12% potential increase in price ($83 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Kastrup Copenhagen to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Kastrup Copenhagen to Washington, D.C. Dulles Intl.

Find flight deals from Copenhagen to Dulles Intl

Cheapest flights from Copenhagen to Dulles Intl
Explore the most affordable flight options available from Copenhagen to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This Mytrip deal was found by Cheapflights users on 11/5. 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.
Thu 11/209:30 pmCPH - IAD
1 stop27h 00mIcelandair
Thu 12/47:40 pmIAD - CPH
1 stop18h 55mIcelandair
Deal found 11/5$472
This ResecentrumGruppen deal was found by Cheapflights users on 11/5. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:30 pmCPH - IAD
1 stop13h 45mLufthansa
Thu 12/410:00 pmIAD - CPH
1 stop14h 20mLufthansa
Deal found 11/5$473
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:55 pmCPH - IAD
1 stop11h 35mIcelandair
Mon 12/157:40 pmIAD - CPH
1 stop27h 35mIcelandair
Deal found 11/4$480
This ResecentrumGruppen deal was found by Cheapflights users on 11/4. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:05 amCPH - IAD
1 stop11h 45mLufthansa
Mon 12/810:55 pmIAD - CPH
1 stop12h 40mLufthansa
Deal found 11/4$482
This ResecentrumGruppen deal was found by Cheapflights users on 11/4. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:10 amCPH - IAD
1 stop11h 40mLufthansa
Wed 1/710:55 pmIAD - CPH
1 stop12h 40mLufthansa
Deal found 11/4$483
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 amCPH - IAD
2 stops18h 21mDelta
Mon 12/86:50 pmIAD - CPH
1 stop13h 50mDelta
Deal found 11/4$493
This Travelis deal was found by Cheapflights users on 11/5. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:55 amCPH - IAD
1 stop12h 10mKLM
Wed 12/106:05 pmIAD - CPH
1 stop11h 10mKLM
Deal found 11/5$496
This flygcity.se deal was found by Cheapflights users on 11/4. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:10 amCPH - IAD
2 stops16h 16mMultiple Airlines
Mon 12/84:30 pmIAD - CPH
2 stops13h 55mMultiple Airlines
Deal found 11/4$501
This AirNGo deal was found by Cheapflights users on 11/4. 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.
Thu 12/2510:10 amCPH - IAD
1 stop11h 40mMultiple Airlines
Wed 1/76:00 pmIAD - CPH
1 stop16h 50mMultiple Airlines
Deal found 11/4$508

Cheapflights Fare Finder

 
Customize your flight search to find flights from Copenhagen to Dulles Intl 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 November 5, 2025.
Use the filters below to find and compare flights from Copenhagen to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Copenhagen

Fly to

Dulles Intl

Route

Depart

Return

Price

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sat 1/10

6:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 1/18

6:50 pm-5:00 pm

1 stop16h 10m

$490

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Wed 1/7

2:15 pm-4:05 pm

1 stop31h 50m

Washington, D.C. Dulles Intl

Tue 1/20

5:26 pm-1:10 pm

2 stops13h 44m

$506

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sat 1/10

6:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 1/20

3:42 pm-1:10 pm

2 stops15h 28m

$506

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 1/8

9:55 am-4:05 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Thu 1/15

5:26 pm-1:10 pm

2 stops13h 44m

$506

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sat 1/10

6:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 1/15

5:26 pm-1:10 pm

2 stops13h 44m

$506

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Wed 1/7

12:05 pm-4:05 pm

1 stop34h 00m

Washington, D.C. Dulles Intl

Thu 1/15

5:26 pm-1:10 pm

2 stops13h 44m

$506

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 1/12

9:55 am-4:05 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Sun 1/18

5:26 pm-1:10 pm

2 stops13h 44m

$506

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 1/12

1:55 pm-5:15 pm

Nonstop9h 20m

Washington, D.C. Dulles Intl

Sat 1/17

8:30 pm-10:35 am

Nonstop8h 05m

$507

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 1/12

1:55 pm-5:15 pm

Nonstop9h 20m

Washington, D.C. Dulles Intl

Mon 1/19

4:50 pm-6:55 am

Nonstop8h 05m

$507

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 1/12

6:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 1/20

3:42 pm-1:10 pm

2 stops15h 28m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 21 results
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Compare providers for flights from Copenhagen to Dulles Intl

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 Copenhagen to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*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 Copenhagen-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Copenhagen-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Copenhagen-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Copenhagen-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Copenhagen-Washington, D.C. Dulles Intl Airport 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 Copenhagen to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Copenhagen 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 Copenhagen to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Copenhagen to Dulles Intl. Price data was last updated on October 31, 2025.

The best time to book flights from Copenhagen to Washington, D.C. Dulles Intl Airport is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Copenhagen to Washington, D.C. Dulles Intl Airport (average of $305). Flying from Copenhagen to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $511). 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 CPH to IAD?

Find hourly flight availability from Copenhagen to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 5, 2025.

It’s optimal to fly from Copenhagen to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the afternoon.

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

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Copenhagen to Washington, D.C. Dulles Intl Airport trip
Airports
CPH

CPH offers free and fast Wi-Fi. Look for 'CPH Airport Free WI-FI' and find power points around the B gates for charging devices.

Read more about CPHby John Walton
IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cheap way to get to the city.

Read more about IADby Ramsey Qubein
Our travel experts
John Walton

John Walton

Expert on CPH

John Walton

John Walton

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

Ramsey Qubein

Ramsey Qubein

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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated November 5, 2025.
Read through reviews of airlines operating flights from Copenhagen to Washington, D.C. Dulles Intl Airport, such as SWISS, Scandinavian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Elwyn,Feb 2025

MXP - ZRH

The crew and the entire experience was fantastic! Would highly recommend the company and the flight

Related info for your journey

Find useful and relevant information for your journey from Copenhagen to Dulles Intl. 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 from for flights from Copenhagen to Washington, D.C. Dulles Intl?

    Most people fly from Kastrup Copenhagen (CPH) if they book a flight from Copenhagen to Washington, D.C. Dulles Intl. On average, Kastrup Copenhagen has 1 outbound flight to Washington, D.C. Dulles Intl per day from 5 airlines. Kastrup Copenhagen is conveniently located just 5.0 mi from Copenhagen’s city center.

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

    For as low as $490, Delta can have you in Washington, D.C. Dulles Intl Airport from Copenhagen in 16h 05m. The distance between Copenhagen and Washington, D.C. Dulles Intl Airport is about 4060 mi.

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

    Our cheapest airline available from Copenhagen to Washington, D.C. Dulles Intl Airport is British Airways. Our recent data shows that you can find tickets from as low as $403 on this airline. Additional options worth looking into are United Airlines and SWISS, starting at $417 and $417 round-trip. Users have found that British Airways is 31% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Finnair. According to our data, you can fly for as low as $318. Users have also found prices from $324 and $327 on British Airways and American Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Copenhagen to Washington, D.C. Dulles Intl Airport are Air France (68%), Scandinavian Airlines (65%) and Delta (65%).

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

    On average you can expect to pay $862 for a flight from Copenhagen to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $605 while the most popular route, (Kastrup Copenhagen - Washington, D.C. Dulles Intl) is currently priced at $429.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Copenhagen to Dulles Intl 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 Copenhagen to Washington, D.C. Dulles Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Copenhagen to Washington, D.C. Dulles Intl Airport (average of $305). Flying from Copenhagen to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $511). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Copenhagen to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Copenhagen to Dulles Intl

Discover the top 5 airlines that operate flights from Copenhagen to Dulles Intl. 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$403Average$529FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$417Average$699FlexibilityNo cancel feeOn-time69%
SWISSCheapest$417Average$538FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$492Average$547FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$552Average$700FlexibilityNo cancel feeOn-time77%

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