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$209+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CPH
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
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 March 18, 2026.

This Ticket deal was found by Cheapflights users on 3/14. 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 4/208:30 pm
BWI
-
CPH
1 stop19h 15m
Icelandair
Wed 4/292:00 pm
CPH
-
BWI
1 stop11h 25m
Icelandair
Deal found 3/14$473
This Ticket deal was found by Cheapflights users on 3/18. 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 4/208:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Wed 4/292:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 3/18$487
This Gotogate deal was found by Cheapflights users on 3/16. 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.
Mon 11/27:40 pm
BWI
-
CPH
1 stop18h 05m
Icelandair
Tue 11/108:45 pm
CPH
-
BWI
1 stop27h 55m
Icelandair
Deal found 3/16$488
This Mytrip deal was found by Cheapflights users on 3/16. 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.
Sun 4/128:30 pm
IAD
-
CPH
1 stop10h 25m
Icelandair
Fri 4/172:00 pm
CPH
-
IAD
1 stop11h 20m
Icelandair
Deal found 3/16$494
This Mytrip deal was found by Cheapflights users on 3/15. 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.
Sun 4/198:30 pm
BWI
-
CPH
1 stop19h 15m
Icelandair
Mon 4/272:00 pm
CPH
-
BWI
1 stop11h 25m
Icelandair
Deal found 3/15$494
This Flightnetwork deal was found by Cheapflights users on 3/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:30 pm
IAD
-
CPH
1 stop10h 25m
Icelandair
Wed 4/294:55 pm
CPH
-
IAD
1 stop32h 25m
Icelandair
Deal found 3/15$495
This oojo deal was found by Cheapflights users on 3/15. 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 4/188:30 pm
BWI
-
CPH
1 stop13h 25m
Icelandair
Sat 4/252:00 pm
CPH
-
BWI
1 stop11h 25m
Icelandair
Deal found 3/15$495
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Sat 9/268:30 pm
IAD
-
CPH
1 stop19h 15m
Icelandair
Wed 9/304:55 pm
CPH
-
IAD
1 stop32h 25m
Icelandair
Deal found 3/14$496
This Mytrip deal was found by Cheapflights users on 3/15. 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.
Sat 4/118:30 pm
BWI
-
CPH
1 stop13h 25m
Icelandair
Sun 4/1910:35 pm
CPH
-
BWI
1 stop26h 50m
Icelandair
Deal found 3/15$496
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Thu 10/18:20 pm
IAD
-
CPH
Nonstop7h 50m
Scandinavian Airlines
Mon 10/122:25 pm
CPH
-
IAD
Nonstop8h 35m
Scandinavian Airlines
Deal found 3/17$497
This oojo deal was found by Cheapflights users on 3/13. 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 4/128:30 pm
BWI
-
CPH
1 stop10h 25m
Icelandair
Sun 4/1910:35 pm
CPH
-
BWI
1 stop26h 50m
Icelandair
Deal found 3/13$497
This FlightHub deal was found by Cheapflights users on 3/16. 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.
Thu 4/911:20 pm
BWI
-
CPH
1 stop16h 25m
Icelandair
Tue 4/142:00 pm
CPH
-
BWI
1 stop11h 25m
Icelandair
Deal found 3/16$499

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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$473
(Ticket)

One-way from

$209
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$595

Good round-trip deal

$552 or less

Good one-way deal

$383 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. 13% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 18, 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

Washington, D.C.Aarhus

IAD - AAR

IADAAR

Washington, D.C. Dulles Intl

Sun 4/19

8:20 pm-11:50 pm

1 stop21h 30m

Aarhus

Thu 4/23

6:35 pm-5:00 pm

1 stop28h 25m

$645

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Tue 4/28

4:30 pm-10:50 am

1 stop12h 20m

Kastrup Copenhagen

Sat 5/9

12:45 pm-11:48 am

2 stops29h 03m

$649

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 4/20

8:40 pm-10:50 am

1 stop32h 10m

Kastrup Copenhagen

Fri 4/24

12:45 pm-9:06 pm

2 stops38h 21m

$649
Quickest round-trip

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Mon 4/6

6:10 pm-9:35 am

1 stop9h 25m

Billund

Thu 4/9

6:00 am-4:52 pm

2 stops16h 52m

$659

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sat 4/4

9:40 am-10:50 am

1 stop19h 10m

Kastrup Copenhagen

Wed 4/22

12:45 pm-6:03 pm

1 stop11h 18m

$663

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Thu 4/30

12:55 pm-10:50 am

2 stops39h 55m

Kastrup Copenhagen

Thu 5/7

12:45 pm-6:13 pm

1 stop11h 28m

$663

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Thu 4/30

7:30 am-10:00 am

2 stops20h 30m

Billund

Thu 5/7

6:00 am-9:55 pm

2 stops21h 55m

$666

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 4/22

5:30 pm-5:20 pm

1 stop17h 50m

Kastrup Copenhagen

Wed 5/6

6:20 am-8:29 pm

2 stops20h 09m

$669

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sun 4/19

6:00 am-6:45 am

1 stop18h 45m

Kastrup Copenhagen

Thu 5/28

9:00 am-5:07 pm

1 stop14h 07m

$691

BaltimoreBillund

BWI - BLL

BWIBLL

Baltimore/Washington

Thu 4/30

10:40 am-9:35 am

2 stops16h 55m

Billund

Thu 5/7

6:00 am-4:38 pm

2 stops16h 38m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 57 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Washington, D.C. to Denmark (average of $321). Flying from Washington, D.C. to Denmark in June is currently the most expensive (average of $536). 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 March 18, 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.

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 March 18, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Denmark, such as United Airlines,Scandinavian Airlines, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,435 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,435 reviews
United Airlines
7.4
Good
9,435 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Scandinavian Airlines
7.3
Good
1,719 reviews
United Airlines
7.4
Good
9,435 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.1
Good
622 reviews
United Airlines
7.4
Good
9,435 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
PLAY
7.0
Good
United Airlines
7.4
Good
9,435 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,858 reviews
United Airlines
7.4
Good
9,435 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 Scandinavian Airlines, United Airlines, and KLM fly from Washington, D.C. to Denmark in about 12h 20m. The time it takes to get you to your destination can typically vary by up to 9h 10m. There are 4060 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 $158. Icelandair flights start at $188 while deals on Scandinavian Airlines start at $277 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 (77%), Delta (77%) and Scandinavian Airlines (65%).

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

    On average you can expect to pay $1,103 for a flight from Washington, D.C. to Denmark. The cheapest flight overall is $369 while the most popular route, (Washington, D.C. Dulles Intl - Kastrup Copenhagen) is currently priced at $494.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. to Denmark (average of $321). Flying from Washington, D.C. to Denmark in June is currently the most expensive (average of $536). 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 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$320Average$482FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$354Average$499FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$410Average$564FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$465Average$681FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$489Average$673FlexibilityNo cancel feeOn-time70%
SWISSCheapest$493Average$645FlexibilityNo cancel feeOn-time79%
KLMCheapest$527Average$828FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$535Average$696FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$538Average$696FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$571Average$765FlexibilityNo cancel feeOn-time77%

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