Copenhagen

$247+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CPH
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Kastrup Copenhagen are usually found in October or March, booked 29 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap 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 June 12, 2025.

Round-trip from

$555
(United Airlines)

One-way from

$247
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$815

Good round-trip deal

$560 or less

Good one-way deal

$559 or less
From Washington, D.C. Dulles Intl to Kastrup Copenhagen
One-way flight from Washington, D.C. Dulles Intl to Kastrup Copenhagen
Highest demand for flights based on searches. 17% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Kastrup Copenhagen.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Kastrup Copenhagen.

Find 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:18 pmIAD - CPH
2 stops30h 32mUnited Airlines
Tue 9/1612:45 pmCPH - IAD
2 stops33h 38mUnited Airlines
Deal found 6/11$555
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:45 amIAD - CPH
1 stop15h 25mAir Canada
Thu 9/412:35 pmCPH - IAD
2 stops14h 30mAir Canada
Deal found 6/10$556
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:05 pmIAD - CPH
Nonstop7h 50mScandinavian Airlines
Sun 9/285:30 pmCPH - IAD
Nonstop8h 29mScandinavian Airlines
Deal found 6/12$559
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2611:15 pmIAD - CPH
1 stop25h 05mIcelandair
Sat 8/24:45 pmCPH - IAD
1 stop32h 35mIcelandair
Deal found 6/11$560
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:45 pmIAD - CPH
2 stops14h 30mAmerican Airlines
Tue 10/148:50 amCPH - IAD
2 stops19h 32mAmerican Airlines
Deal found 6/12$564
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:45 pmIAD - CPH
1 stop20h 40mMultiple Airlines
Thu 8/2112:35 pmCPH - IAD
2 stops38h 26mMultiple Airlines
Deal found 6/10$565
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:00 amIAD - CPH
2 stops18h 30mVirgin Atlantic
Wed 8/139:00 amCPH - IAD
1 stop16h 43mVirgin Atlantic
Deal found 6/10$569
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:20 pmIAD - CPH
1 stop18h 45mTAP AIR PORTUGAL
Mon 9/85:40 pmCPH - IAD
1 stop27h 40mTAP AIR PORTUGAL
Deal found 6/11$573
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1510:20 pmIAD - CPH
1 stop19h 10mLufthansa
Mon 8/256:05 amCPH - IAD
2 stops13h 25mLufthansa
Deal found 6/10$589
This Ticket deal was found by Cheapflights users on 6/11. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:12 pmIAD - CPH
1 stop12h 18mAir France
Tue 8/129:00 amCPH - IAD
1 stop16h 43mAir France
Deal found 6/11$605
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2812:12 pmIAD - CPH
1 stop12h 18mKLM
Tue 8/59:00 amCPH - IAD
1 stop16h 51mKLM
Deal found 6/9$629
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1612:12 pmIAD - CPH
1 stop12h 18mDelta
Fri 7/2512:20 pmCPH - IAD
1 stop17h 05mDelta
Deal found 6/10$659

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 June 12, 2025.
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

Dulles Intl

Fly to

Copenhagen

Route

Depart

Return

Price

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 9/3

10:18 pm-10:50 am

2 stops30h 32m

Kastrup Copenhagen

Tue 9/16

12:45 pm-4:23 pm

2 stops33h 38m

$555

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Tue 8/26

9:45 am-7:10 am

1 stop15h 25m

Kastrup Copenhagen

Thu 9/4

12:35 pm-9:05 pm

2 stops14h 30m

$556

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 9/24

10:05 pm-11:55 am

Nonstop7h 50m

Kastrup Copenhagen

Sun 9/28

5:30 pm-7:59 pm

Nonstop8h 29m

$559

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sat 7/26

11:15 pm-6:20 am

1 stop25h 05m

Kastrup Copenhagen

Sat 8/2

4:45 pm-7:20 pm

1 stop32h 35m

$560

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Fri 10/10

10:45 pm-7:15 pm

2 stops14h 30m

Kastrup Copenhagen

Tue 10/14

8:50 am-10:22 pm

2 stops19h 32m

$564

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Thu 8/7

8:45 pm-11:25 pm

1 stop20h 40m

Kastrup Copenhagen

Thu 8/21

12:35 pm-9:01 pm

2 stops38h 26m

$565

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 8/4

6:00 am-6:30 am

2 stops18h 30m

Kastrup Copenhagen

Wed 8/13

9:00 am-7:43 pm

1 stop16h 43m

$569

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Thu 9/4

10:20 pm-11:05 pm

1 stop18h 45m

Kastrup Copenhagen

Mon 9/8

5:40 pm-3:20 pm

1 stop27h 40m

$573

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Fri 8/15

10:20 pm-11:30 pm

1 stop19h 10m

Kastrup Copenhagen

Mon 8/25

6:05 am-1:30 pm

2 stops13h 25m

$589

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 8/4

12:12 pm-6:30 am

1 stop12h 18m

Kastrup Copenhagen

Tue 8/12

9:00 am-7:43 pm

1 stop16h 43m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 25 results
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The best insider tips for Washington, D.C. Dulles Intl Airport to Copenhagen 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 Washington, D.C. Dulles Intl Airport to Copenhagen trip
Airports
IAD

Security queues can be long, so plan extra time for check-in, especially during afternoon and evening hours.

Read more about IADby Ramsey Qubein
CPH

The Metro is the simplest way to reach Copenhagen, with trains every 5 minutes during the day.

Read more about CPHby John Walton
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

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 June 9, 2025.

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 29 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Copenhagen in June is currently the most expensive (average of $911). 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 June 12, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Copenhagen in the afternoon. Doing so could potentially save you 31% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Copenhagen

Explore weekly flight availability from Dulles Intl to Copenhagen. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from IAD to CPH are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Copenhagen ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Copenhagen when rainfall is around 0.8 in.

Temperature in Copenhagen by month

Plan your trip to Copenhagen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Copenhagen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 June 12, 2025.
To help decide which airline to fly from Washington, D.C. to Copenhagen, see what other customers have to say about Delta, KLM and Air France. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

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

    United Airlines, at $555, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Copenhagen.Alternate airlines to your destination round-trip include Air Canada and Scandinavian Airlines. These flights start at 8% 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 $247. However, be on the lookout for offers from Icelandair and Virgin Atlantic, 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 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 $383. On average you can expect to pay $1,520. The most popular route, (Washington, D.C. Dulles Intl - Kastrup Copenhagen), can usually be booked for $383.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Copenhagen (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Copenhagen in June is currently the most expensive (average of $911). 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
Kastrup

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$280Average$386FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$396Average$568FlexibilityNo cancel feeOn-time76%
SWISSCheapest$414Average$645FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$435Average$673FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$465Average$661FlexibilityNo cancel feeOn-time70%
DeltaCheapest$507Average$884FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$523Average$677FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$526Average$681FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$531Average$784FlexibilityNo cancel feeOn-time69%
KLMCheapest$561Average$864FlexibilityNo cancel feeOn-time75%

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