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$231+ Cheap flights from Dulles Intl (IAD) 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CPH
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Dulles Intl to Denmark

Keep the following information in mind while searching for Dulles Intl to Denmark flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$473
(Ticket)

One-way from

$231
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$511

Good round-trip deal

$564 or less

Good one-way deal

$372 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Kastrup Copenhagen flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Kastrup Copenhagen flights.
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From Washington, D.C. Dulles Intl to Denmark
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One-way flight from Washington, D.C. Dulles Intl to Denmark
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Highest demand for flights based on searches. 16% potential increase in price ($109 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 October 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Denmark.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Denmark.
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Find flight deals from Dulles Intl to Denmark

Cheapest flights from Dulles Intl to Denmark
Explore the most affordable flight options available from Dulles Intl to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Ticket deal was found by Cheapflights users on 10/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:30 pmIAD - AAL
1 stop21h 25mScandinavian Airlines
Wed 12/109:50 amAAL - IAD
1 stop13h 25mScandinavian Airlines
Deal found 10/27$473
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:19 pmIAD - CPH
1 stop12h 51mScandinavian Airlines
Wed 12/171:55 pmCPH - IAD
Nonstop9h 20mScandinavian Airlines
Deal found 10/28$474
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:49 pmIAD - CPH
1 stop29h 21mScandinavian Airlines
Wed 12/31:55 pmCPH - IAD
Nonstop9h 20mScandinavian Airlines
Deal found 10/28$480
This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:40 pmIAD - CPH
1 stop10h 05mIcelandair
Tue 11/2512:55 pmCPH - IAD
1 stop11h 35mIcelandair
Deal found 10/28$485
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:40 pmIAD - CPH
1 stop10h 05mIcelandair
Wed 12/176:15 amCPH - IAD
1 stop18h 15mIcelandair
Deal found 10/28$486
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/2410:55 pmIAD - CPH
1 stop12h 40mLufthansa
Mon 12/1510:10 amCPH - IAD
1 stop11h 40mLufthansa
Deal found 10/29$487
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:55 pmIAD - CPH
1 stop12h 40mLufthansa
Sat 12/61:10 pmCPH - IAD
1 stop12h 55mLufthansa
Deal found 10/28$490
This Justfly.com deal was found by Cheapflights users on 10/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:19 pmIAD - CPH
1 stop12h 51mScandinavian Airlines
Wed 12/101:55 pmCPH - IAD
Nonstop9h 20mScandinavian Airlines
Deal found 10/28$492
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Sun 11/28:30 pmIAD - CPH
1 stop30h 30mMultiple Airlines
Wed 11/56:55 amCPH - IAD
2 stops19h 59mMultiple Airlines
Deal found 10/29$493
This oojo deal was found by Cheapflights users on 10/29. 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 11/197:40 pmIAD - CPH
1 stop10h 05mIcelandair
Mon 11/2412:55 pmCPH - IAD
1 stop11h 35mIcelandair
Deal found 10/29$494
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 pmIAD - CPH
1 stop10h 05mIcelandair
Sat 1/101:05 pmCPH - IAD
1 stop11h 25mIcelandair
Deal found 10/27$495
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Tue 11/258:30 pmIAD - CPH
1 stop11h 40mMultiple Airlines
Thu 11/2710:10 amCPH - IAD
1 stop11h 40mMultiple Airlines
Deal found 10/28$496

Cheapflights Fare Finder

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

Fly from

Dulles Intl

Fly to

Denmark

Route

Depart

Return

Price

Washington, D.C.Aalborg

IAD - AAL

IADAAL

Washington, D.C. Dulles Intl

Sat 12/6

12:19 pm-9:20 am

2 stops15h 01m

Aalborg

Wed 12/10

9:50 am-5:15 pm

1 stop13h 25m

$485

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Tue 11/25

8:30 pm-2:10 pm

1 stop11h 40m

Kastrup Copenhagen

Thu 11/27

6:00 am-3:35 pm

1 stop15h 35m

$502

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 4/27

8:20 pm-10:10 am

Nonstop7h 50m

Kastrup Copenhagen

Thu 4/30

2:15 pm-4:50 pm

Nonstop8h 35m

$506

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sun 11/9

10:55 pm-5:35 pm

1 stop12h 40m

Kastrup Copenhagen

Sat 11/15

9:50 am-4:40 pm

1 stop12h 50m

$507

Washington, D.C.Aalborg

IAD - AAL

IADAAL

Washington, D.C. Dulles Intl

Wed 11/12

6:05 pm-1:45 pm

1 stop13h 40m

Aalborg

Sun 11/16

10:20 am-4:05 pm

1 stop11h 45m

$510

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sat 2/28

12:30 pm-10:25 am

2 stops15h 55m

Kastrup Copenhagen

Fri 3/6

12:55 pm-7:12 pm

1 stop12h 17m

$523

Washington, D.C.Aalborg

IAD - AAL

IADAAL

Washington, D.C. Dulles Intl

Fri 4/3

5:50 pm-9:50 am

1 stop10h 00m

Aalborg

Tue 4/7

2:15 pm-3:35 pm

1 stop31h 20m

$524

Washington, D.C.Aalborg

IAD - AAL

IADAAL

Washington, D.C. Dulles Intl

Wed 11/12

6:05 pm-9:50 am

1 stop9h 45m

Aalborg

Sun 11/16

10:20 am-7:08 pm

2 stops14h 48m

$524

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 11/26

5:40 pm-12:25 pm

1 stop12h 45m

Kastrup Copenhagen

Fri 11/28

6:50 am-2:35 pm

1 stop13h 45m

$526

Washington, D.C.Billund

IAD - BLL

IADBLL

Washington, D.C. Dulles Intl

Sun 11/30

6:05 pm-1:50 pm

1 stop13h 45m

Billund

Fri 12/5

10:25 am-4:05 pm

1 stop11h 40m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 38 results
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Best time to book a flight from Dulles Intl to Denmark

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

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Denmark (average of $324). Flying from Washington, D.C. Dulles Intl Airport to Denmark in June is currently the most expensive (average of $594). 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 DK?

Find hourly flight availability from Dulles Intl 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 October 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Washington, D.C. Dulles Intl Airport to Denmark by exploring options for tickets in the evening.

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 October 29, 2025.
Read reviews from past customers who have flown KLM, Scandinavian Airlines, and United Airlines from Washington, D.C. Dulles Intl Airport to Denmark. 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.
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Scandinavian Airlines
7.4
Good
1,545 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,998 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.1
Good
562 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,541 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Denmark?

    A quick flight from Washington, D.C. Dulles Intl Airport to Denmark can take about 11h 40m. Scandinavian Airlines provides one of the quickest options available for as low as $502. There are 4060 mi between Washington, D.C. Dulles Intl Airport and Denmark. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to Denmark is Washington, D.C. Dulles Intl - Kastrup Copenhagen. You may also consider Washington, D.C. Dulles Intl - Billund or Washington, D.C. Dulles Intl - Aalborg.

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

    Before booking your flight to Denmark from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Air France (95%), Scandinavian Airlines (90%), Delta( 90%).

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Denmark? While on average our users pay $1,040, our data indicates the cheapest price to be $247. The most popular route (Washington, D.C. Dulles Intl - Kastrup Copenhagen), is priced around $348.

  • Can I find deals for flights from Dulles Intl to Denmark that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Denmark flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Denmark?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Denmark.

  • Can I find deals for business class flights from Dulles Intl to Denmark?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Denmark?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Denmark (average of $324). Flying from Washington, D.C. Dulles Intl Airport to Denmark in June is currently the most expensive (average of $594). 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.

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Alternative routes for Dulles Intl to Denmark

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Leonardo da Vinci/Fiumicino flights
Reagan-National to Lisbon flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Bruxelles-National flights
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Reagan-National to Frankfurt flights
Dulles Intl to Geneva flights
Dulles Intl to Edinburgh flights
Baltimore to Frankfurt flights
Baltimore to London City flights
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Dulles Intl to Malpensa flights
Reagan-National to Dublin flights
Baltimore to Keflavik Intl flights
Reagan-National to Keflavik Intl flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Dublin flights
Dulles Intl to Copenhagen flights

Top 9 airlines flying from Dulles Intl to Denmark

Discover the top 9 airlines that operate flights from Dulles Intl 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$285Average$440FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$404Average$556FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$441Average$653FlexibilityNo cancel feeOn-time77%
SWISSCheapest$480Average$670FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$509Average$673FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$512Average$715FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$531Average$741FlexibilityNo cancel feeOn-time69%
KLMCheapest$549Average$841FlexibilityNo cancel feeOn-time75%
DeltaCheapest$589Average$972FlexibilityNo cancel feeOn-timeN/A

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