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Dulles Intl

$328+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — IAD
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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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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Cheapflights Tip: The best prices from Kastrup Copenhagen to Washington, D.C. Dulles Intl are usually found in February or November, booked 73 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap 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 February 13, 2026.

This FlightHub deal was found by Cheapflights users on 2/12. 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 3/1212:55 pm
CPH
-
IAD
1 stop11h 35m
Icelandair
Sun 3/228:40 pm
IAD
-
CPH
1 stop18h 10m
Icelandair
Deal found 2/12$495
This ResecentrumGruppen deal was found by Cheapflights users on 2/12. 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 5/146:10 am
CPH
-
IAD
1 stop15h 55m
Multiple Airlines
Mon 5/258:20 pm
IAD
-
CPH
1 stop11h 50m
Multiple Airlines
Deal found 2/12$498
This ResecentrumGruppen deal was found by Cheapflights users on 2/9. 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.
Sat 10/2410:10 am
CPH
-
IAD
1 stop11h 55m
Multiple Airlines
Sat 10/319:30 pm
IAD
-
CPH
1 stop16h 35m
Multiple Airlines
Deal found 2/9$500
This ResecentrumGruppen deal was found by Cheapflights users on 2/10. 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.
Sat 10/2410:10 am
CPH
-
IAD
1 stop11h 55m
Lufthansa
Sat 10/3111:55 pm
IAD
-
CPH
1 stop18h 10m
Lufthansa
Deal found 2/10$501
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Wed 5/62:00 pm
CPH
-
IAD
1 stop11h 20m
Icelandair
Sun 5/108:30 pm
IAD
-
CPH
1 stop19h 15m
Icelandair
Deal found 2/9$506
This ResecentrumGruppen deal was found by Cheapflights users on 2/11. 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.
Mon 3/3012:35 pm
CPH
-
IAD
1 stop13h 20m
Multiple Airlines
Sun 4/128:20 pm
IAD
-
CPH
1 stop15h 30m
Multiple Airlines
Deal found 2/11$511
This Icelandair deal was found by Cheapflights users on 2/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:55 pm
CPH
-
IAD
1 stop11h 35m
Icelandair
Sun 2/227:40 pm
IAD
-
CPH
1 stop10h 05m
Icelandair
Deal found 2/8$514

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$495
(FlightHub)

One-way from

$328
(Finnair)

Popular in

July

Cheapest in

February

Average price

$511

Good round-trip deal

$566 or less

Good one-way deal

$956 or less
Provider with most accurate pricing for Kastrup Copenhagen-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kastrup Copenhagen-Washington, D.C. Dulles Intl flights.
Search Deals
From Kastrup Copenhagen to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Kastrup Copenhagen to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Kastrup Copenhagen to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Kastrup Copenhagen to Washington, D.C. Dulles Intl.
Search Deals

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 February 13, 2026.
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

Thu 5/14

6:10 am-4:05 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Mon 5/25

8:20 pm-2:10 pm

1 stop11h 50m

$498

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Wed 5/6

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 5/10

8:30 pm-9:45 pm

1 stop19h 15m

$506

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Tue 4/28

7:15 am-8:20 pm

1 stop19h 05m

Washington, D.C. Dulles Intl

Tue 5/5

10:25 pm-7:15 pm

1 stop14h 50m

$530

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 3/30

2:15 pm-4:50 pm

Nonstop8h 35m

Washington, D.C. Dulles Intl

Sun 4/12

8:20 pm-10:10 am

Nonstop7h 50m

$537

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Wed 5/6

8:50 am-8:20 pm

2 stops17h 30m

Washington, D.C. Dulles Intl

Sun 5/10

10:25 pm-8:50 pm

1 stop16h 25m

$553

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Wed 5/6

8:50 am-8:20 pm

2 stops17h 30m

Washington, D.C. Dulles Intl

Mon 5/11

7:15 pm-7:55 pm

1 stop18h 40m

$553

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 3/26

2:20 pm-9:15 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Thu 4/2

5:35 pm-8:40 pm

1 stop21h 05m

$555

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Fri 3/13

6:00 am-5:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 3/17

3:35 pm-1:10 pm

2 stops16h 35m

$556

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 3/26

10:10 am-4:50 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Tue 4/7

8:20 pm-2:10 pm

1 stop11h 50m

$556

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Tue 4/28

11:50 am-12:42 am

2 stops18h 52m

Washington, D.C. Dulles Intl

Tue 5/5

12:45 pm-9:15 am

2 stops14h 30m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Copenhagen-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 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 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 February 6, 2026.

The best time to book flights from Copenhagen to Washington, D.C. Dulles Intl Airport is 42 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, November is the cheapest month in which you can book a flight from Copenhagen to Washington, D.C. Dulles Intl Airport (average of $379). Flying from Copenhagen to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $535). 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 February 13, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Copenhagen to Washington, D.C. Dulles Intl Airport as you normally would.

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

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 Copenhagen to Washington, D.C. Dulles Intl Airport 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 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 February 13, 2026.
Read through reviews of airlines operating flights from Copenhagen to Washington, D.C. Dulles Intl Airport, such as SWISS, United Airlines, and Scandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,872 reviews

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.3

Entertainment

6.8

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
SWISS
7.6
Good
1,872 reviews
SWISS
7.6
Good
1,872 reviews

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.3

Entertainment

6.8

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
United Airlines
7.4
Good
9,284 reviews
SWISS
7.6
Good
1,872 reviews

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.3

Entertainment

6.8

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
Scandinavian Airlines
7.3
Good
1,681 reviews
SWISS
7.6
Good
1,872 reviews

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.3

Entertainment

6.8

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
Lufthansa
6.8
Okay
7,781 reviews
SWISS
7.6
Good
1,872 reviews

Boarding

7.7

Overall

7.6

Comfort

7.4

Crew

8.3

Entertainment

6.8

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 4 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 $506, Icelandair can have you in Washington, D.C. Dulles Intl Airport from Copenhagen in 11h 20m. 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 SWISS. Our recent data shows that you can find tickets from as low as $417 on this airline. Additional options worth looking into are Lufthansa and United Airlines, starting at $492 and $505 round-trip. Users have found that SWISS is 30% 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 British Airways. According to our data, you can fly for as low as $307. Users have also found prices from $389 and $441 on TAP AIR PORTUGAL and Icelandair, 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 (81%), Scandinavian Airlines (81%) and Delta (81%).

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

    On average you can expect to pay $936 for a flight from Copenhagen to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $453 while the most popular route, (Kastrup Copenhagen - Washington, D.C. Dulles Intl) is currently priced at $461.

  • 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, November is the cheapest month in which you can book a flight from Copenhagen to Washington, D.C. Dulles Intl Airport (average of $379). Flying from Copenhagen to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $535). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

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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.
Copenhagen to Baltimore flights
Copenhagen to Reagan-National flights
Aalborg to Dulles Intl flights
Aarhus to Baltimore flights
Billund to Baltimore flights
Billund to Dulles Intl flights

Top 4 airlines flying from Copenhagen to Dulles Intl

Discover the top 4 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$417Average$647FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$492Average$658FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$505Average$699FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$556Average$770FlexibilityNo cancel feeOn-time77%

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