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$207+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CPH
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap 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 23, 2026.

This oojo deal was found by Cheapflights users on 7/19. 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 11/127:40 pm
BWI
-
CPH
1 stop14h 20m
Icelandair
Mon 11/168:15 am
CPH
-
BWI
1 stop16h 25m
Icelandair
Deal found 7/19$518
This Gotogate deal was found by Cheapflights users on 7/19. 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 11/277:40 pm
BWI
-
CPH
1 stop10h 05m
Icelandair
Sat 12/512:55 pm
CPH
-
BWI
1 stop11h 45m
Icelandair
Deal found 7/19$519
This oojo deal was found by Cheapflights users on 7/21. 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 12/17:40 pm
BWI
-
CPH
1 stop14h 20m
Icelandair
Tue 12/88:15 am
CPH
-
BWI
1 stop16h 25m
Icelandair
Deal found 7/21$520
This oojo deal was found by Cheapflights users on 7/20. 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.
Sun 11/17:40 pm
BWI
-
CPH
1 stop10h 05m
Icelandair
Sun 11/812:55 pm
CPH
-
BWI
1 stop11h 45m
Icelandair
Deal found 7/20$522
This deal was found by Cheapflights users on 7/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:40 pm
BWI
-
CPH
1 stop10h 20m
Icelandair
Fri 12/41:05 pm
CPH
-
BWI
1 stop11h 35m
Icelandair
Deal found 7/20$525
This oojo deal was found by Cheapflights users on 7/23. 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 11/47:40 pm
BWI
-
CPH
1 stop10h 05m
Icelandair
Mon 11/912:55 pm
CPH
-
BWI
1 stop11h 45m
Icelandair
Deal found 7/23$527
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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.
Thu 11/57:40 pm
BWI
-
CPH
1 stop18h 05m
Icelandair
Mon 11/98:15 am
CPH
-
BWI
1 stop16h 25m
Icelandair
Deal found 7/23$528
This Sembo deal was found by Cheapflights users on 7/20. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:30 pm
BWI
-
CPH
1 stop10h 25m
Icelandair
Wed 9/210:35 pm
CPH
-
BWI
1 stop26h 50m
Icelandair
Deal found 7/20$534
This oojo deal was found by Cheapflights users on 7/21. 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 10/278:40 pm
BWI
-
CPH
1 stop14h 20m
Icelandair
Fri 11/61:05 pm
CPH
-
BWI
1 stop11h 35m
Icelandair
Deal found 7/21$535
This Flybillet deal was found by Cheapflights users on 7/19. 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.
Mon 8/1711:20 pm
BWI
-
CPH
1 stop16h 25m
Icelandair
Wed 8/2610:35 pm
CPH
-
BWI
1 stop26h 50m
Icelandair
Deal found 7/19$539
This Mytrip deal was found by Cheapflights users on 7/22. 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.
Tue 10/138:30 pm
BWI
-
CPH
1 stop10h 25m
Icelandair
Wed 10/212:00 pm
CPH
-
BWI
1 stop11h 25m
Icelandair
Deal found 7/22$540
This oojo deal was found by Cheapflights users on 7/19. 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 10/38:30 pm
IAD
-
CPH
1 stop10h 25m
Icelandair
Thu 10/82:00 pm
CPH
-
IAD
1 stop11h 20m
Icelandair
Deal found 7/19$627

Find 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$518
(oojo)

One-way from

$205
(Flightnetwork)

Popular in

June

Cheapest in

February

Average price

$861

Good round-trip deal

$670 or less

Good one-way deal

$479 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Kastrup Copenhagen flights.
Search Deals
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. 20% potential increase in price ($175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 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. (WAS) to Denmark.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Denmark.
Search Deals

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 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreCopenhagen

BWI - CPH

BWICPH

Baltimore/Washington

Mon 11/9

7:40 pm-11:45 am

1 stop10h 05m

Kastrup Copenhagen

Fri 11/13

12:55 pm-6:40 pm

1 stop11h 45m

$551

BaltimoreCopenhagen

BWI - CPH

BWICPH

Baltimore/Washington

Sun 1/17

7:40 pm-11:45 am

1 stop10h 05m

Kastrup Copenhagen

Thu 1/28

12:55 pm-6:40 pm

1 stop11h 45m

$552

Washington, D.C.Aalborg

DCA - AAL

DCAAAL

Washington, D.C. Reagan-National

Mon 8/10

5:00 pm-1:40 pm

2 stops14h 40m

Aalborg

Wed 8/19

2:15 pm-11:43 pm

2 stops15h 28m

$728

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sun 8/9

12:40 pm-10:50 am

2 stops40h 10m

Kastrup Copenhagen

Mon 8/24

12:15 pm-7:39 pm

2 stops37h 24m

$743

Washington, D.C.Aalborg

IAD - AAL

IADAAL

Washington, D.C. Dulles Intl

Mon 8/10

12:29 pm-10:00 am

2 stops15h 31m

Aalborg

Wed 8/19

6:20 am-3:35 pm

1 stop15h 15m

$746

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Sun 9/6

8:30 pm-9:50 pm

1 stop19h 20m

Billund

Sun 9/13

9:10 pm-6:59 pm

2 stops27h 49m

$751

BaltimoreAalborg

BWI - AAL

BWIAAL

Baltimore/Washington

Mon 8/10

4:56 pm-1:40 pm

2 stops14h 44m

Aalborg

Wed 8/19

6:20 am-5:47 pm

2 stops17h 27m

$751

BaltimoreBillund

BWI - BLL

BWIBLL

Baltimore/Washington

Sun 9/6

11:20 pm-9:50 pm

1 stop16h 30m

Billund

Sun 9/13

9:10 pm-7:33 pm

2 stops28h 23m

$751

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 8/17

5:30 pm-11:55 am

1 stop12h 25m

Kastrup Copenhagen

Sat 8/22

6:50 am-1:30 pm

1 stop12h 40m

$760

Washington, D.C.Aalborg

IAD - AAL

IADAAL

Washington, D.C. Dulles Intl

Sun 10/11

8:20 pm-1:50 pm

1 stop11h 30m

Aalborg

Mon 10/19

12:40 pm-5:00 pm

1 stop10h 20m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Washington, D.C. to Denmark (average of $539). Flying from Washington, D.C. to Denmark in June is currently the most expensive (average of $894). 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 23, 2026.

When flying from Washington, D.C. to Denmark, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The best time to book flights from Washington, D.C. to Denmark is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 23, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Denmark, such as Delta,Scandinavian Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,480 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,480 reviews
Delta
7.8
Good
8,480 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Scandinavian Airlines
7.4
Good
1,898 reviews
Delta
7.8
Good
8,480 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,026 reviews
Delta
7.8
Good
8,480 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Icelandair
7.0
Good
717 reviews
Delta
7.8
Good
8,480 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Lufthansa
6.8
Okay
8,159 reviews
Delta
7.8
Good
8,480 reviews

Crew

8.5

Overall

7.8

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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.

  • How long is the flight from Washington, D.C. to Denmark?

    Airlines like Icelandair, United Airlines, and Delta fly from Washington, D.C. to Denmark in about 10h 05m. The time it takes to get you to your destination can typically vary by up to 30h 05m. There are 4021 mi between Washington, D.C. and Denmark. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $171. Icelandair flights start at $189 while deals on Air France start at $327 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.

  • What are the most reliable airlines from Washington, D.C. to Denmark?

    The top 3 most reliable airlines when flying from Washington, D.C. to Denmark are Air France (78%), Scandinavian Airlines (78%) and Delta (78%).

  • What are the cheapest flights from Washington, D.C. to Denmark?

    On average you can expect to pay $2,033 for a flight from Washington, D.C. to Denmark. The cheapest flight overall is $453 while the most popular route, (Washington, D.C. Dulles Intl - Kastrup Copenhagen) is currently priced at $450.

  • 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Denmark (average of $539). Flying from Washington, D.C. to Denmark in June is currently the most expensive (average of $894). 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.

Top 9 airlines flying from Washington, D.C. to Denmark

Discover the top 9 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$354Average$499FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$409Average$633FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$465Average$748FlexibilityNo cancel feeOn-time77%
SWISSCheapest$493Average$629FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$526Average$738FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$538Average$696FlexibilityNo 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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