HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denmark

$266+ Cheap flights from Washington, D.C. (WAS) to Denmark

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CPH
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Denmark 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Keep the following information in mind while searching for Washington, D.C. to Denmark flight deals. Data was last updated July 30, 2025.

Round-trip from

$413
(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 Denmark
Search Deals
One-way flight from Washington, D.C. (WAS) to Denmark
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Denmark.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Denmark.
Search Deals

Find flight deals from Washington, D.C. to Denmark

Cheapest flights from Washington, D.C. to Denmark
Explore the most affordable flight options available from Washington, D.C. to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Flybillet 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:50 pmBWI - BLL
1 stop10h 55mPLAY
Sun 9/2112:45 pmBLL - BWI
1 stop10h 55mPLAY
Deal found 7/28$413
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 stop10h 25mIcelandair
Thu 8/284:45 pmCPH - IAD
1 stop11h 25mIcelandair
Deal found 7/29$485
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:20 pmIAD - BLL
1 stop11h 50mBritish Airways
Mon 12/88:45 pmBLL - IAD
1 stop24h 50mBritish Airways
Deal found 7/29$485
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:40 pmDCA - CPH
1 stop12h 35mBritish Airways
Thu 8/212:00 pmCPH - DCA
1 stop11h 59mBritish Airways
Deal found 7/29$486
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1710:20 pmIAD - CPH
1 stop12h 00mLufthansa
Tue 8/269:35 amCPH - IAD
1 stop12h 15mLufthansa
Deal found 7/29$489
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 7/30. 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 stops15h 33mAmerican Airlines
Deal found 7/30$490
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:35 amIAD - CPH
1 stop15h 35mMultiple Airlines
Tue 8/269:40 amCPH - IAD
1 stop12h 35mMultiple Airlines
Deal found 7/29$492
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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Denmark 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 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Denmark that are best for you.

Fly from

Washington, D.C.

Fly to

Denmark

Route

Depart

Return

Price

BaltimoreBillund

BWI - BLL

BWIBLL

Baltimore/Washington

Sat 9/6

6:50 pm-11:45 am

1 stop10h 55m

Billund

Sun 9/21

12:45 pm-5:40 pm

1 stop10h 55m

$413

BaltimoreCopenhagen

BWI - CPH

BWICPH

Baltimore/Washington

Mon 8/18

6:50 pm-11:35 am

1 stop10h 45m

Kastrup Copenhagen

Wed 9/3

12:35 pm-5:40 pm

1 stop11h 05m

$417

BaltimoreCopenhagen

BWI - CPH

BWICPH

Baltimore/Washington

Wed 11/12

7:30 pm-11:45 am

1 stop10h 15m

Kastrup Copenhagen

Wed 11/19

12:55 pm-6:30 pm

1 stop11h 35m

$437

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Wed 11/26

6:20 pm-12:10 pm

1 stop11h 50m

Billund

Mon 12/8

8:45 pm-3:35 pm

1 stop24h 50m

$485

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 8/20

8:30 pm-12:55 pm

1 stop10h 25m

Kastrup Copenhagen

Thu 8/28

4:45 pm-10:10 pm

1 stop11h 25m

$485

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Tue 8/12

4:40 pm-11:15 am

1 stop12h 35m

Kastrup Copenhagen

Thu 8/21

2:00 pm-7:59 pm

1 stop11h 59m

$486

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sun 8/17

10:20 pm-4:20 pm

1 stop12h 00m

Kastrup Copenhagen

Tue 8/26

9:35 am-3:50 pm

1 stop12h 15m

$489

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-11:33 pm

2 stops15h 33m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Washington, D.C. to Denmark

Have a flexible travel schedule? Discover the best time to fly to Denmark 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 Denmark

What is the cheapest month to book a flight from Washington, D.C. to Denmark?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Denmark (average of $523). Flying from Washington, D.C. to Denmark 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 DK?

Find hourly flight availability from Washington, D.C. to Denmark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Denmark is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 13% on airfare.

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

Explore weekly flight availability from Washington, D.C. to Denmark. 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 30, 2025.

The most flights from WAS to DK0 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).

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. 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 Denmark. Reviews last updated July 30, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Denmark, such as Delta, Cathay Pacific, and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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!
Cathay Pacific
7.6
Good
949 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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
1,686 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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 Denmark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $258. WorldTicket flights start at $266 while deals on TAP AIR PORTUGAL start at $283 one-way.

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

    The most popular route from Washington, D.C. to Denmark is Washington, D.C. Dulles Intl - Kastrup Copenhagen. You may also consider Washington, D.C. Reagan-National - Kastrup Copenhagen or Baltimore/Washington - Kastrup Copenhagen.

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

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

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

    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 Denmark.

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

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Denmark (average of $523). Flying from Washington, D.C. to Denmark 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Denmark

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Madrid flights
Dulles Intl to Dublin flights
Dulles Intl to Lisbon flights
Reagan-National to Heathrow flights
Dulles Intl to Athens flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
Dulles Intl to Istanbul flights
Dulles Intl to Barcelona-El Prat flights
Reagan-National to Madrid flights
Reagan-National to Gatwick flights
Dulles Intl to Frankfurt flights
Dulles Intl to Orly flights
Reagan-National to Charles de Gaulle flights
Dulles Intl to Keflavik Intl flights
Dulles Intl to Edinburgh flights
Reagan-National to Dublin flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Stansted flights
Dulles Intl to Amsterdam flights
Reagan-National to Orly flights
Dulles Intl to Luton flights
Dulles Intl to Zurich flights
Reagan-National to Istanbul flights
Dulles Intl to Munich flights
Reagan-National to Lisbon flights
Reagan-National to Keflavik Intl flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Vicenza flights
Dulles Intl to Copenhagen flights
Reagan-National to Athens flights
Dulles Intl to Bruxelles-National flights
Dulles Intl to Vienna flights
Reagan-National to Frankfurt flights
Dulles Intl to Malpensa flights
Dulles Intl to Sabiha Gokcen flights
Reagan-National to London City flights
Dulles Intl to Linate flights
Dulles Intl to Geneva flights
Dulles Intl to Beauvais-Tille flights
Reagan-National to Edinburgh flights
Reagan-National to Malpensa flights
Reagan-National to Amsterdam flights
Dulles Intl to Oslo Gardermoen flights
Reagan-National to Zurich flights
Dulles Intl to Florence flights
Dulles Intl to Naples flights

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

Discover the top 10 airlines that operate flights from Washington, D.C. to Denmark. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$272Average$419FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$285Average$743FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$371Average$565FlexibilityNo cancel feeOn-time76%
SWISSCheapest$414Average$645FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$475Average$666FlexibilityNo cancel feeOn-time70%
KLMCheapest$507Average$835FlexibilityNo cancel feeOn-time75%
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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.