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$295+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CPH
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
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

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Kastrup Copenhagen are usually found in February or January, booked 10 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 July 11, 2026.

This oojo deal was found by Cheapflights users on 7/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:20 pm
IAD
-
CPH
1 stop25h 00m
Icelandair
Mon 9/142:00 pm
CPH
-
IAD
1 stop11h 20m
Icelandair
Deal found 7/9$673
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:30 pm
IAD
-
CPH
1 stop13h 25m
Icelandair
Tue 9/84:55 pm
CPH
-
IAD
1 stop11h 20m
Icelandair
Deal found 7/8$674
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Fri 8/142:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 7/8$675
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Thu 9/32:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 7/8$676
This Icelandair deal was found by Cheapflights users on 7/8. 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.
Sat 9/58:30 pm
IAD
-
CPH
1 stop10h 25m
Icelandair
Sun 9/1310:35 pm
CPH
-
IAD
1 stop26h 45m
Icelandair
Deal found 7/8$677
This Gotogate deal was found by Cheapflights users on 7/7. 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.
Fri 8/711:20 pm
IAD
-
CPH
1 stop25h 00m
Icelandair
Mon 9/142:00 pm
CPH
-
IAD
1 stop11h 20m
Icelandair
Deal found 7/7$678
This Gotogate deal was found by Cheapflights users on 7/7. 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.
Fri 8/711:20 pm
IAD
-
CPH
1 stop25h 00m
Icelandair
Sun 9/1310:35 pm
CPH
-
IAD
1 stop26h 45m
Icelandair
Deal found 7/7$679
This FlightHub deal was found by Cheapflights users on 7/9. 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.
Mon 9/78:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Thu 9/172:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 7/9$680
This Gotogate deal was found by Cheapflights users on 7/7. 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.
Wed 8/58:30 pm
IAD
-
CPH
1 stop27h 50m
Icelandair
Sun 9/1310:35 pm
CPH
-
IAD
1 stop26h 45m
Icelandair
Deal found 7/7$681
This oojo deal was found by Cheapflights users on 7/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:20 pm
IAD
-
CPH
1 stop25h 00m
Icelandair
Wed 8/127:20 am
CPH
-
IAD
1 stop18h 00m
Icelandair
Deal found 7/10$682
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Mon 8/32:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 7/8$683
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Thu 8/62:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 7/8$684

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 July 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(oojo)

One-way from

$295
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$799

Good round-trip deal

$706 or less

Good one-way deal

$526 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. 16% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 11, 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

Thu 8/13

8:30 pm-6:20 am

1 stop27h 50m

Kastrup Copenhagen

Tue 8/25

4:55 pm-7:20 pm

1 stop32h 25m

$706

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 8/5

10:20 pm-11:30 pm

1 stop19h 10m

Kastrup Copenhagen

Wed 8/19

12:15 pm-11:50 am

2 stops29h 35m

$742

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 9/7

10:35 pm-2:05 am

1 stop21h 30m

Kastrup Copenhagen

Wed 9/9

12:45 pm-8:35 pm

1 stop13h 50m

$774

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 8/17

11:10 am-1:20 pm

2 stops20h 10m

Kastrup Copenhagen

Fri 8/28

9:25 am-3:35 pm

1 stop12h 10m

$785

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 8/3

11:10 am-8:30 am

2 stops15h 20m

Kastrup Copenhagen

Thu 8/13

9:25 am-3:35 pm

1 stop12h 10m

$796

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 7/22

9:45 pm-6:45 pm

1 stop15h 00m

Kastrup Copenhagen

Tue 9/22

6:00 am-8:15 pm

2 stops20h 15m

$827

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 11/23

5:35 pm-12:25 pm

1 stop12h 50m

Kastrup Copenhagen

Sun 11/29

11:35 am-8:10 pm

1 stop14h 35m

$840

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 7/29

5:35 pm-5:20 pm

1 stop17h 45m

Kastrup Copenhagen

Sat 8/8

12:15 pm-7:44 am

2 stops25h 29m

$905

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Fri 7/24

5:40 pm-11:05 am

1 stop11h 25m

Kastrup Copenhagen

Fri 8/7

12:15 pm-7:01 pm

1 stop12h 46m

$973

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 9/23

10:25 pm-11:10 pm

2 stops18h 45m

Kastrup Copenhagen

Sun 9/27

8:50 am-8:20 pm

2 stops17h 30m

$975

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
Trip.comPrice 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 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?

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 9 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen (average of $553). Flying from Washington, D.C. Dulles Intl Airport to Copenhagen in June is currently the most expensive (average of $877). 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 July 11, 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 July 11, 2026.
Peruse reviews from past customers who have flown with Air France,Scandinavian Airlines, andUnited 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.
Air France
7.5
Good
1,623 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.5

Food

7.0

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carlie,Jun 2026

ATH - CDG

The crew was very friendly and one even suggested i look outside the window so I can see the Swiss Alps! I was not expecting food on our 2.5hour flight - sample of 3 kinds of sandwiches (super soft bread) and 2 mini apple filled donuts that was so good. Air france is my new favorite airline!
Air France
7.5
Good
1,623 reviews
Air France
7.5
Good
1,623 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.5

Food

7.0

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carlie,Jun 2026

ATH - CDG

The crew was very friendly and one even suggested i look outside the window so I can see the Swiss Alps! I was not expecting food on our 2.5hour flight - sample of 3 kinds of sandwiches (super soft bread) and 2 mini apple filled donuts that was so good. Air france is my new favorite airline!
Scandinavian Airlines
7.4
Good
1,874 reviews
Air France
7.5
Good
1,623 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.5

Food

7.0

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carlie,Jun 2026

ATH - CDG

The crew was very friendly and one even suggested i look outside the window so I can see the Swiss Alps! I was not expecting food on our 2.5hour flight - sample of 3 kinds of sandwiches (super soft bread) and 2 mini apple filled donuts that was so good. Air france is my new favorite airline!
United Airlines
7.4
Good
9,984 reviews
Air France
7.5
Good
1,623 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.5

Food

7.0

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carlie,Jun 2026

ATH - CDG

The crew was very friendly and one even suggested i look outside the window so I can see the Swiss Alps! I was not expecting food on our 2.5hour flight - sample of 3 kinds of sandwiches (super soft bread) and 2 mini apple filled donuts that was so good. Air france is my new favorite airline!
Icelandair
7.0
Good
704 reviews
Air France
7.5
Good
1,623 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.5

Food

7.0

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carlie,Jun 2026

ATH - CDG

The crew was very friendly and one even suggested i look outside the window so I can see the Swiss Alps! I was not expecting food on our 2.5hour flight - sample of 3 kinds of sandwiches (super soft bread) and 2 mini apple filled donuts that was so good. Air france is my new favorite airline!
Lufthansa
6.8
Okay
8,131 reviews
Air France
7.5
Good
1,623 reviews

Entertainment

7.0

Comfort

7.4

Boarding

7.5

Food

7.0

Crew

8.2

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Carlie,Jun 2026

ATH - CDG

The crew was very friendly and one even suggested i look outside the window so I can see the Swiss Alps! I was not expecting food on our 2.5hour flight - sample of 3 kinds of sandwiches (super soft bread) and 2 mini apple filled donuts that was so good. Air france is my new favorite airline!

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. 9 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 2 inbound flights from Washington, D.C. Dulles Intl per day.

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

    Icelandair and Scandinavian Airlines can get you from Washington, D.C. Dulles Intl Airport to Copenhagen in just under 7h 50m. Your travel time can differ by up to 17h 10m. 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?

    TAP AIR PORTUGAL, at $354, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Copenhagen.Alternate airlines to your destination round-trip include Icelandair and SWISS. These flights start at 46% 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 United 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 (78%), Scandinavian Airlines (78%) and Delta (78%).

  • 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 $453. On average you can expect to pay $2,094. The most popular route, (Washington, D.C. Dulles Intl - Kastrup Copenhagen), can usually be booked for $418.

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen (average of $553). Flying from Washington, D.C. Dulles Intl Airport to Copenhagen in June is currently the most expensive (average of $877). 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

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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 9 airlines flying from Dulles Intl to Copenhagen

Discover the top 9 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 July 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$354Average$499FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$410Average$540FlexibilityNo cancel feeOn-time76%
SWISSCheapest$493Average$590FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$507Average$755FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$526Average$738FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$538Average$658FlexibilityNo cancel feeOn-time76%
KLMCheapest$542Average$863FlexibilityNo cancel feeOn-time75%
DeltaCheapest$578Average$842FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$662Average$771FlexibilityNo cancel feeOn-time77%

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