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Denmark

$231+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — CPH
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This Ticket deal was found by Cheapflights users on 2/1. 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 2/234:15 pm
DCA
-
CPH
2 stops13h 10m
Air Canada
Wed 3/46:50 am
CPH
-
DCA
2 stops14h 41m
Air Canada
Deal found 2/1$497
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/303:30 pm
DCA
-
CPH
2 stops16h 30m
United Airlines
Wed 4/112:45 pm
CPH
-
DCA
1 stop13h 08m
United Airlines
Deal found 2/2$510
This Air Canada deal was found by Cheapflights users on 2/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:10 pm
DCA
-
CPH
2 stops15h 15m
Air Canada
Tue 3/246:55 am
CPH
-
DCA
2 stops20h 01m
Air Canada
Deal found 2/1$512
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:00 am
DCA
-
CPH
2 stops26h 10m
Air Canada
Tue 3/3112:45 pm
CPH
-
DCA
1 stop13h 08m
Air Canada
Deal found 2/2$513
This Air Canada deal was found by Cheapflights users on 2/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:10 pm
DCA
-
CPH
2 stops40h 50m
Air Canada
Wed 3/251:10 pm
CPH
-
DCA
2 stops26h 11m
Air Canada
Deal found 2/1$514
This Air Canada deal was found by Cheapflights users on 2/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/218:40 pm
DCA
-
CPH
2 stops39h 55m
Air Canada
Tue 3/246:55 am
CPH
-
DCA
2 stops20h 01m
Air Canada
Deal found 2/1$517
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Thu 3/511:05 am
DCA
-
CPH
2 stops18h 20m
Multiple Airlines
Wed 3/116:55 am
CPH
-
DCA
2 stops20h 01m
Multiple Airlines
Deal found 2/1$523
This Mytrip deal was found by Cheapflights users on 2/1. 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 12/288:40 pm
DCA
-
CPH
1 stop31h 35m
Multiple Airlines
Mon 1/116:55 am
CPH
-
DCA
2 stops14h 26m
Multiple Airlines
Deal found 2/1$524
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/308:40 pm
DCA
-
CPH
1 stop32h 10m
Air Canada
Thu 4/26:10 am
CPH
-
DCA
2 stops22h 33m
Air Canada
Deal found 2/2$525
This oojo deal was found by Cheapflights users on 2/1. 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 3/3110:30 pm
DCA
-
CPH
2 stops18h 40m
British Airways
Wed 4/228:50 am
CPH
-
DCA
2 stops19h 39m
British Airways
Deal found 2/1$530
This Mytrip deal was found by Cheapflights users on 2/2. 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 2/169:40 am
DCA
-
CPH
2 stops17h 40m
Multiple Airlines
Thu 2/191:10 pm
CPH
-
DCA
2 stops14h 46m
Multiple Airlines
Deal found 2/2$533
This oojo deal was found by Cheapflights users on 2/1. 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 3/46:14 pm
DCA
-
CPH
2 stops17h 06m
British Airways
Wed 3/111:00 pm
CPH
-
DCA
2 stops25h 59m
British Airways
Deal found 2/1$536

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$497
(Ticket)

One-way from

$231
(oojo)

Popular in

June

Cheapest in

February

Average price

$512
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. 13% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 3, 2026.
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

Wed 3/25

5:05 pm-1:10 pm

2 stops15h 05m

Kastrup Copenhagen

Thu 4/9

9:00 am-5:00 pm

1 stop14h 00m

$538

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 3/23

5:05 pm-1:10 pm

2 stops15h 05m

Kastrup Copenhagen

Fri 4/3

9:00 am-4:26 pm

1 stop13h 26m

$538

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 3/23

5:05 pm-1:10 pm

2 stops15h 05m

Kastrup Copenhagen

Tue 4/7

9:00 am-8:45 pm

1 stop17h 45m

$538

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Tue 3/24

5:05 pm-1:10 pm

2 stops15h 05m

Kastrup Copenhagen

Thu 4/9

9:00 am-4:26 pm

1 stop13h 26m

$538

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 3/23

5:05 pm-1:10 pm

2 stops15h 05m

Kastrup Copenhagen

Thu 4/9

9:00 am-8:45 pm

1 stop17h 45m

$538

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Tue 3/24

5:05 pm-1:10 pm

2 stops15h 05m

Kastrup Copenhagen

Fri 4/3

9:00 am-5:00 pm

1 stop14h 00m

$538

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Wed 3/25

2:25 pm-1:10 pm

2 stops17h 45m

Kastrup Copenhagen

Fri 4/3

9:00 am-6:46 pm

1 stop15h 46m

$538

Washington, D.C.Aalborg

DCA - AAL

DCAAAL

Washington, D.C. Reagan-National

Tue 3/31

12:16 pm-10:00 am

2 stops15h 44m

Aalborg

Tue 4/14

2:15 pm-10:41 pm

2 stops14h 26m

$542

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 3/30

9:40 am-10:50 am

1 stop19h 10m

Kastrup Copenhagen

Sun 4/5

12:45 pm-12:01 pm

2 stops29h 16m

$543

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Tue 4/14

12:55 pm-10:50 am

2 stops15h 55m

Kastrup Copenhagen

Tue 4/21

12:45 pm-7:53 pm

1 stop13h 08m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 38 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
No data available for this route at this time. Please check back soon.

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 05m. 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 - Billund or Washington, D.C. Reagan-National - Aarhus 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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Reagan-National to Keflavik Intl flights

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