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$234+ Cheap flights from Washington, D.C. (WAS) 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CPH
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Kastrup Copenhagen are usually found in February or January, booked 84 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Washington, D.C. to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 29, 2025.

Round-trip from

$425
(Flybillet)

One-way from

$234
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$713

Good round-trip deal

$528 or less

Good one-way deal

$385 or less
From Washington, D.C. (WAS) to Kastrup Copenhagen
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One-way flight from Washington, D.C. (WAS) to Kastrup Copenhagen
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Highest demand for flights based on searches. 16% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Kastrup Copenhagen.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Kastrup Copenhagen.
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Find flight deals from Washington, D.C. to Copenhagen

Cheapest flights from Washington, D.C. to Copenhagen
Explore the most affordable flight options available from Washington, D.C. to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 8/186:50 pmBWI - CPH
1 stop10h 45mPLAY
Wed 9/312:35 pmCPH - BWI
1 stop11h 05mPLAY
Deal found 7/29$417
This oojo deal was found by Cheapflights users on 7/29. 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.
Wed 11/127:30 pmBWI - CPH
1 stop10h 15mIcelandair
Wed 11/1912:55 pmCPH - BWI
1 stop11h 35mIcelandair
Deal found 7/29$437
This oojo deal was found by Cheapflights users on 7/29. 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.
Wed 8/208:30 pmIAD - CPH
1 stop19h 15mIcelandair
Wed 8/274:45 pmCPH - IAD
1 stop11h 25mIcelandair
Deal found 7/29$485
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:00 pmDCA - CPH
2 stops22h 50mBritish Airways
Thu 8/212:00 pmCPH - DCA
1 stop11h 59mBritish Airways
Deal found 7/28$486
This ResecentrumGruppen deal was found by Cheapflights users on 7/28. 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 9/111:00 amDCA - CPH
1 stop17h 50mAir Canada
Wed 9/1712:45 pmCPH - DCA
2 stops15h 49mAir Canada
Deal found 7/28$489
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 10/1010:05 pmIAD - CPH
Nonstop7h 50mScandinavian Airlines
Tue 10/145:30 pmCPH - IAD
Nonstop8h 29mScandinavian Airlines
Deal found 7/28$490
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/203:29 pmDCA - CPH
2 stops13h 46mAmerican Airlines
Tue 8/262:00 pmCPH - DCA
2 stops14h 39mAmerican Airlines
Deal found 7/28$491
This Gotogate deal was found by Cheapflights users on 7/29. 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.
Tue 11/2511:05 amDCA - CPH
2 stops18h 20mMultiple Airlines
Tue 12/28:55 amCPH - DCA
2 stops15h 10mMultiple Airlines
Deal found 7/29$495
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 9/19:40 amDCA - CPH
1 stop15h 20mUnited Airlines
Tue 9/3012:45 pmCPH - DCA
2 stops29h 34mUnited Airlines
Deal found 7/28$496
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 8/207:25 pmIAD - CPH
2 stops14h 50mAmerican Airlines
Tue 8/262:00 pmCPH - IAD
2 stops14h 56mAmerican Airlines
Deal found 7/27$498
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/106:15 amBWI - CPH
2 stops22h 35mUnited Airlines
Wed 9/1712:45 pmCPH - BWI
2 stops34h 44mUnited Airlines
Deal found 7/27$500
This Air Canada deal was found by Cheapflights users on 7/27. 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.
Mon 9/19:35 amIAD - CPH
1 stop15h 25mAir Canada
Wed 9/1012:45 pmCPH - IAD
2 stops28h 48mAir Canada
Deal found 7/27$502

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Copenhagen that are best for you.

Fly from

Washington, D.C.

Fly to

Copenhagen

Route

Depart

Return

Price

BaltimoreCopenhagen

BWI - CPH

BWICPH

Baltimore/Washington

Mon 8/25

6:50 pm-11:35 am

1 stop10h 45m

Kastrup Copenhagen

Tue 9/2

12:35 pm-5:40 pm

1 stop11h 05m

$425

BaltimoreCopenhagen

BWI - CPH

BWICPH

Baltimore/Washington

Sun 8/10

8:30 pm-1:05 pm

1 stop10h 35m

Kastrup Copenhagen

Fri 8/22

2:00 pm-7:25 pm

1 stop11h 25m

$451

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 8/20

8:30 pm-9:45 pm

1 stop19h 15m

Kastrup Copenhagen

Wed 8/27

4:45 pm-10:10 pm

1 stop11h 25m

$485

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sun 8/17

6:00 pm-10:50 pm

2 stops22h 50m

Kastrup Copenhagen

Thu 8/21

2:00 pm-7:59 pm

1 stop11h 59m

$486

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 9/1

11:00 am-10:50 am

1 stop17h 50m

Kastrup Copenhagen

Wed 9/17

12:45 pm-10:34 pm

2 stops15h 49m

$489

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Fri 10/10

10:05 pm-11:55 am

Nonstop7h 50m

Kastrup Copenhagen

Tue 10/14

5:30 pm-7:59 pm

Nonstop8h 29m

$490

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Wed 8/20

3:29 pm-11:15 am

2 stops13h 46m

Kastrup Copenhagen

Tue 8/26

2:00 pm-10:39 pm

2 stops14h 39m

$491

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Tue 11/25

11:05 am-11:25 am

2 stops18h 20m

Kastrup Copenhagen

Tue 12/2

8:55 am-6:05 pm

2 stops15h 10m

$495

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 9/1

9:40 am-7:00 am

1 stop15h 20m

Kastrup Copenhagen

Tue 9/30

12:45 pm-12:19 pm

2 stops29h 34m

$496

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 8/20

7:25 pm-4:15 pm

2 stops14h 50m

Kastrup Copenhagen

Tue 8/26

2:00 pm-10:56 pm

2 stops14h 56m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 40 results
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The best insider tips for Washington, D.C. 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. to Copenhagen trip
Airports
IAD

Expect long security queues at IAD, especially in the afternoon and evening. Plan extra time for check-in and security clearance.

Read more about IADby Ramsey Qubein
CPH

Use the Metro from CPH for a quick 10-20 minute ride into central Copenhagen. Tickets are available at the station or DSB machines.

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 Washington, D.C. to Copenhagen

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Copenhagen. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Copenhagen, you should look to book at least 84 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. to Copenhagen?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Copenhagen (average of $523). Flying from Washington, D.C. to Copenhagen in June is currently the most expensive (average of $912). 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 WAS to CPH?

Find hourly flight availability from Washington, D.C. 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 29, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 13% on flights from Washington, D.C. to Copenhagen by exploring options for tickets in the afternoon.

Weekly flight availability from Washington, D.C. to Copenhagen

Explore weekly flight availability from Washington, D.C. 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 July 29, 2025.

The most flights from WAS 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).

What’s the top layover airport for flights from Washington, D.C. to Copenhagen?

Share of 1-stop round-trip flights from Washington, D.C. to Copenhagen chosen by Cheapflights users in the past 12 months, using the same layover each way.

Frankfurt am Main (FRA) – chosen by Cheapflights users on 40% of 1-stop itineraries from Washington, D.C. to Copenhagen on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Copenhagen?

Average round-trip fare for 1-stop flights from Washington, D.C. to Copenhagen, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $279.

What’s the fastest layover option from Washington, D.C. to Copenhagen?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Copenhagen, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 3h 35m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Copenhagen?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Copenhagen, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 18m.

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 29, 2025.
Get a feel of what it's like to fly with Delta, Finnair, and SWISS from Washington, D.C. to Copenhagen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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!
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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!
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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 Washington, D.C. 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.?

    Kastrup Copenhagen (CPH) is the airport you will fly into if you book a flight from Washington, D.C. to Copenhagen. You should not have trouble finding flights to Kastrup Copenhagen from Washington, D.C.; the airport handles an average of 2 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 10 airlines have flights to the Copenhagen airport from Washington, D.C.. It is only a 5.0 mi journey from Kastrup Copenhagen (CPH) to Copenhagen’s city center.

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

    PLAY, at $425, was found to be the cheapest airline from Washington, D.C. to Copenhagen.Alternate airlines to your destination round-trip include Icelandair and British Airways. These flights start at 24% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $258. Users have also found prices from $261 and $287 on WorldTicket and TAP AIR PORTUGAL, respectively.

  • What are the most popular routes from Washington, D.C. to Copenhagen?

    Most travelers choose Washington, D.C. Dulles Intl - Kastrup Copenhagen, Washington, D.C. Reagan-National - Kastrup Copenhagen or Baltimore/Washington - Kastrup Copenhagen when deciding on the best route from Washington, D.C. to Copenhagen.

  • Can I find deals for flights from Washington, D.C. to Copenhagen that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Copenhagen?

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

  • Can I find deals for business class flights from Washington, D.C. to Copenhagen?

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Copenhagen (average of $523). Flying from Washington, D.C. to Copenhagen in June is currently the most expensive (average of $912). 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 Washington, D.C. to Copenhagen

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

Top 10 airlines flying from Washington, D.C. to Copenhagen

Discover the top 10 airlines that operate flights from Washington, D.C. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$272Average$419FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$285Average$708FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$371Average$565FlexibilityNo cancel feeOn-time76%
SWISSCheapest$414Average$645FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$475Average$666FlexibilityNo cancel feeOn-time70%
DeltaCheapest$507Average$899FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$522Average$734FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$526Average$704FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$531Average$790FlexibilityNo cancel feeOn-time69%
KLMCheapest$561Average$864FlexibilityNo cancel feeOn-time75%

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