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$231+ Cheap flights from Reagan-National (DCA) to Copenhagen (CPH)

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 7/27. 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 Copenhagen

Cheapest flights from Reagan-National to Copenhagen
Explore the most affordable flight options available from Reagan-National to Copenhagen. 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 Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data 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. Reagan-National-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Kastrup Copenhagen flights.
Search Deals
From Washington, D.C. Reagan-National to Kastrup Copenhagen
Search Deals
One-way flight from Washington, D.C. Reagan-National to Kastrup Copenhagen
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 Copenhagen 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 Copenhagen that are best for you.

Fly from

Reagan-National

Fly to

Copenhagen

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.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

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 4/13

12:55 pm-10:50 am

2 stops15h 55m

Kastrup Copenhagen

Wed 4/22

12:45 pm-6:03 pm

1 stop11h 18m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Copenhagen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Copenhagen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Copenhagen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Copenhagen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Copenhagen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Copenhagen

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

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Copenhagen from Washington, D.C. Reagan-National?

    Kastrup Copenhagen (CPH) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Copenhagen. You should not have trouble finding flights to Kastrup Copenhagen from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Copenhagen airport from Washington, D.C. Reagan-National. It is only a 5.0 mi journey from Kastrup Copenhagen (CPH) to Copenhagen’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Copenhagen?

    Airlines like Delta fly from Washington, D.C. Reagan-National Airport to Copenhagen in about 15h 05m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4050 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Copenhagen 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

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

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