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Denmark

$394+ Cheap flights from Reagan-National (DCA) 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CPH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Reagan-National to Denmark

Cheapest flights from Reagan-National to Denmark
Explore the most affordable flight options available from Reagan-National to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:30 pmDCA - CPH
2 stops16h 15mUnited Airlines
Thu 12/2512:30 pmCPH - DCA
2 stops27h 29mUnited Airlines
Deal found 12/17$616
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:30 pmDCA - CPH
2 stops16h 15mUnited Airlines
Wed 12/246:00 amCPH - DCA
2 stops23h 59mUnited Airlines
Deal found 12/17$618
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:30 pmDCA - CPH
2 stops16h 15mUnited Airlines
Fri 12/266:50 amCPH - DCA
2 stops22h 00mUnited Airlines
Deal found 12/17$646
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:30 pmDCA - CPH
2 stops16h 15mUnited Airlines
Tue 12/238:55 amCPH - DCA
2 stops21h 04mUnited Airlines
Deal found 12/16$718
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:30 amDCA - CPH
2 stops19h 50mUnited Airlines
Wed 12/316:50 amCPH - DCA
2 stops23h 09mUnited Airlines
Deal found 12/17$784
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:30 pmDCA - CPH
2 stops16h 15mUnited Airlines
Mon 12/226:55 amCPH - DCA
2 stops20h 04mUnited Airlines
Deal found 12/17$799
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:30 pmDCA - CPH
2 stops16h 15mUnited Airlines
Sat 12/276:55 amCPH - DCA
2 stops17h 04mUnited Airlines
Deal found 12/16$849
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:30 pmDCA - CPH
2 stops16h 15mUnited Airlines
Wed 12/316:55 amCPH - DCA
2 stops23h 04mUnited Airlines
Deal found 12/17$863
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:42 pmDCA - CPH
2 stops19h 38mAmerican Airlines
Wed 12/2410:30 amCPH - DCA
2 stops31h 04mAmerican Airlines
Deal found 12/17$882
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:30 amDCA - CPH
2 stops19h 50mUnited Airlines
Tue 12/306:50 amCPH - DCA
2 stops23h 09mUnited Airlines
Deal found 12/17$884
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:00 pmDCA - BLL
2 stops14h 45mDelta
Thu 1/110:25 amBLL - DCA
2 stops17h 05mDelta
Deal found 12/17$1,479
This British Airways deal was found by Cheapflights users on 12/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:44 pmDCA - BLL
2 stops40h 36mBritish Airways
Thu 1/11:00 pmBLL - DCA
2 stops26h 42mBritish Airways
Deal found 12/16$1,896

Find flight deals from Reagan-National to Denmark

Keep the following information in mind while searching for Reagan-National to Denmark flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$486
(FlightHub)

One-way from

$394
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$556
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. Reagan-National to Denmark
Search Deals
One-way flight from Washington, D.C. Reagan-National to Denmark
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Denmark that are best for you.

Fly from

Reagan-National

Fly to

Denmark

Route

Depart

Return

Price

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Thu 4/16

9:40 am-10:50 am

1 stop19h 10m

Kastrup Copenhagen

Tue 4/21

12:45 pm-6:03 pm

1 stop11h 18m

$537

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Thu 4/9

12:55 pm-10:50 am

2 stops15h 55m

Kastrup Copenhagen

Tue 4/14

12:45 pm-9:53 pm

2 stops15h 08m

$540

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sat 3/28

6:00 am-9:50 am

2 stops22h 50m

Kastrup Copenhagen

Fri 4/3

12:45 pm-12:01 pm

2 stops53h 16m

$541

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sun 3/22

6:00 am-5:35 pm

2 stops30h 35m

Kastrup Copenhagen

Sun 3/29

12:45 pm-12:01 pm

2 stops29h 16m

$543

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Thu 4/30

11:05 am-10:50 am

2 stops17h 45m

Kastrup Copenhagen

Tue 5/5

12:45 pm-9:55 pm

2 stops15h 10m

$544

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 2/2

5:00 pm-1:10 pm

2 stops14h 10m

Kastrup Copenhagen

Tue 2/10

9:55 am-10:48 pm

2 stops18h 53m

$545

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 2/2

5:00 pm-1:10 pm

2 stops14h 10m

Kastrup Copenhagen

Thu 2/12

9:55 am-10:12 pm

2 stops18h 17m

$545

Washington, D.C.Billund

DCA - BLL

DCABLL

Washington, D.C. Reagan-National

Wed 3/4

11:05 am-10:00 am

2 stops16h 55m

Billund

Sun 3/8

2:05 pm-7:45 pm

2 stops34h 40m

$547

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Thu 2/12

4:15 pm-11:25 am

2 stops13h 10m

Kastrup Copenhagen

Tue 2/17

6:55 am-10:23 am

2 stops33h 28m

$548

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 3/9

4:15 pm-11:25 am

2 stops14h 10m

Kastrup Copenhagen

Tue 3/24

6:55 am-9:58 pm

2 stops20h 03m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 37 results
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Best time to book a flight from Reagan-National to Denmark

Have a flexible travel schedule? Discover the best time to fly to Denmark from Reagan-National 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. Reagan-National Airport to Denmark

What is the cheapest time of day to fly from DCA to DK?

Find hourly flight availability from Reagan-National 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 December 18, 2025.

When flying from Washington, D.C. Reagan-National Airport to Denmark, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 15% versus a flight in the morning.

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 December 18, 2025.
See what other customers who have flown with Scandinavian Airlines from Washington, D.C. Reagan-National Airport to Denmark have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,607 reviews

Entertainment

6.7

Boarding

7.6

Overall

7.4

Food

6.7

Crew

8.0

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Scandinavian Airlines
7.4
Good
1,607 reviews
Scandinavian Airlines
7.4
Good
1,607 reviews

Entertainment

6.7

Boarding

7.6

Overall

7.4

Food

6.7

Crew

8.0

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Denmark?

    Departing from Washington, D.C. Reagan-National Airport to Denmark will take you 15h 55m. Washington, D.C. Reagan-National Airport and Denmark are separated by a distance of 4050 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Most travelers choose Washington, D.C. Reagan-National - Kastrup Copenhagen, Washington, D.C. Reagan-National - Aarhus or Washington, D.C. Reagan-National - Billund when deciding on the best route from Washington, D.C. Reagan-National Airport to Denmark.

  • Can I find deals for flights from Reagan-National to Denmark that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Denmark flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Denmark?

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

  • Can I find deals for business class flights from Reagan-National to Denmark?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

See more FAQs

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Alternative routes for Reagan-National to Denmark

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Reagan-National to Denmark

Discover the top airline that operate flights from Reagan-National 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$664Average$829FlexibilityNo cancel feeOn-time77%

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