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Cheap flights from Washington, D.C. to Copenhagen from $231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Copenhagen departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Icelandair Logo
7:40 pm - 11:45 amBWI-CPH
10h 05m1 stop
Icelandair Logo
12:55 pm - 6:40 pmCPH-BWI
11h 45m1 stop
$394Icelandair
Find Deal
Sat, Dec 6 - Sat, Dec 13
Icelandair Logo
7:40 pm - 8:35 pmBWI-CPH
18h 55m1 stop
Icelandair Logo
9:30 pm - 6:40 pmCPH-BWI
27h 10m1 stop
$418Icelandair
Find Deal
Thu, Nov 13 - Thu, Nov 20
Scandinavian Airlines Logo
8:30 pm - 10:35 amIAD-CPH
8h 05mnonstop
Scandinavian Airlines Logo
2:15 pm - 4:50 pmCPH-IAD
8h 35mnonstop
$477Scandinavian Airlines
Find Deal
Sat, Jan 17 - Thu, May 14
Scandinavian Airlines Logo
7:30 am - 7:10 amDCA-CPH
17h 40m1 stop
Scandinavian Airlines Logo
1:15 pm - 11:58 pmCPH-DCA
16h 43m1 stop
$477Scandinavian Airlines
Find Deal
Fri, Nov 28 - Thu, Dec 4
Lufthansa Logo
10:55 pm - 5:35 pmIAD-CPH
12h 40m1 stop
Lufthansa Logo
10:10 am - 3:50 pmCPH-IAD
11h 40m1 stop
$489Lufthansa
Find Deal
Sun, Nov 23 - Thu, Nov 27
United Airlines Logo
5:40 pm - 12:25 pmIAD-CPH
12h 45m1 stop
United Airlines Logo
10:10 am - 3:50 pmCPH-IAD
11h 40m1 stop
$497United Airlines
Find Deal
Tue, Nov 25 - Thu, Nov 27
Lufthansa Logo
10:55 pm - 5:35 pmIAD-CPH
12h 40m1 stop
Lufthansa Logo
10:05 am - 3:50 pmCPH-IAD
11h 45m1 stop
$508Lufthansa
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
10:55 pm - 5:35 pmIAD-CPH
12h 40m1 stop
United Airlines Logo
2:20 pm - 3:50 pmCPH-IAD
31h 30m1 stop
$516United Airlines
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Sun, Nov 30 - Tue, Dec 2
Delta Logo
5:03 pm - 1:10 pmIAD-CPH
14h 07m2 stops
Delta Logo
6:00 am - 4:05 pmCPH-IAD
16h 05m1 stop
$532Delta
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Tue, Dec 9 - Sun, Dec 14
Delta Logo
5:00 pm - 7:50 pmIAD-CPH
20h 50m2 stops
Delta Logo
6:00 am - 3:35 pmCPH-IAD
15h 35m1 stop
$534Delta
Find Deal
Fri, Jan 16 - Tue, May 12

Scandinavian Airlines flights from Washington, D.C. to Copenhagen

Our best Scandinavian Airlines deals on Washington, D.C. to Copenhagen flight tickets
Scandinavian Airlines
Nov 28
DCA7:30 amWashington, D.C. Reagan-National
17h 40m
1 stop
CPH7:10 amKastrup Copenhagen
Dec 4
CPH1:15 pmKastrup Copenhagen
16h 43m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
$477
Find similar
Scandinavian Airlines
Jan 17
DCA11:00 amWashington, D.C. Reagan-National
14h 10m
1 stop
CPH7:10 amKastrup Copenhagen
May 12
CPH1:00 pmKastrup Copenhagen
40h 12m
2 stops
DCA11:12 pmWashington, D.C. Reagan-National
$484
Find similar
Scandinavian Airlines
Dec 6
IAD8:30 pmWashington, D.C. Dulles Intl
8h 05m
CPH10:35 amKastrup Copenhagen
Jan 12
CPH1:55 pmKastrup Copenhagen
9h 20m
IAD5:15 pmWashington, D.C. Dulles Intl
$491
Find similar

SWISS flights from Washington, D.C. to Copenhagen

Our best SWISS deals on Washington, D.C. to Copenhagen flight tickets
SWISS
Nov 7
IAD8:30 pmWashington, D.C. Dulles Intl
30h 30m
1 stop
CPH9:00 amKastrup Copenhagen
Nov 11
CPH6:50 amKastrup Copenhagen
15h 50m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
$519
Find similar
SWISS
Nov 7
IAD8:30 pmWashington, D.C. Dulles Intl
16h 35m
1 stop
CPH7:05 pmKastrup Copenhagen
Nov 27
CPH9:50 amKastrup Copenhagen
12h 50m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
$520
Find similar
SWISS
Nov 27
IAD8:30 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
CPH2:00 pmKastrup Copenhagen
Dec 7
CPH9:50 amKastrup Copenhagen
12h 50m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
$531
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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, momondo users made 832,500 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreCopenhagen

BWI - CPH

BWICPH

Baltimore/Washington

Sat 12/6

7:40 pm-11:45 am

1 stop10h 05m

Kastrup Copenhagen

Sat 12/13

12:55 pm-6:40 pm

1 stop11h 45m

$394

BaltimoreCopenhagen

BWI - CPH

BWICPH

Baltimore/Washington

Thu 11/13

7:40 pm-8:35 pm

1 stop18h 55m

Kastrup Copenhagen

Thu 11/20

9:30 pm-6:40 pm

1 stop27h 10m

$418

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sat 1/17

8:30 pm-10:35 am

Nonstop8h 05m

Kastrup Copenhagen

Thu 5/14

2:15 pm-4:50 pm

Nonstop8h 35m

$477

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Fri 11/28

7:30 am-7:10 am

1 stop17h 40m

Kastrup Copenhagen

Thu 12/4

1:15 pm-11:58 pm

1 stop16h 43m

$477

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sun 11/23

10:55 pm-5:35 pm

1 stop12h 40m

Kastrup Copenhagen

Thu 11/27

10:10 am-3:50 pm

1 stop11h 40m

$489

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Tue 11/25

5:40 pm-12:25 pm

1 stop12h 45m

Kastrup Copenhagen

Thu 11/27

10:10 am-3:50 pm

1 stop11h 40m

$497

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 11/12

10:55 pm-5:35 pm

1 stop12h 40m

Kastrup Copenhagen

Sun 11/16

10:05 am-3:50 pm

1 stop11h 45m

$508

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sun 11/30

10:55 pm-5:35 pm

1 stop12h 40m

Kastrup Copenhagen

Tue 12/2

2:20 pm-3:50 pm

1 stop31h 30m

$516

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Tue 12/9

5:03 pm-1:10 pm

2 stops14h 07m

Kastrup Copenhagen

Sun 12/14

6:00 am-4:05 pm

1 stop16h 05m

$532

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Fri 1/16

5:00 pm-7:50 pm

2 stops20h 50m

Kastrup Copenhagen

Tue 5/12

6:00 am-3:35 pm

1 stop15h 35m

$534

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Copenhagen from

How to get the cheapest flight ticket from Washington, D.C. to Copenhagen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Washington, D.C. is in February. Flight prices, which tend to average around $458, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $466.

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from Washington, D.C. to Copenhagen is on a Monday when prices can be found for as low as $585. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Copenhagen for around $682.

What is the cheapest time of day to depart on your flight to Copenhagen?

Flying to Copenhagen from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $561 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $655. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Washington, D.C. to Kastrup Copenhagen flight route?

Fly from Washington, D.C. Dulles Intl to Kastrup Copenhagen for the best Washington, D.C. - Kastrup Copenhagen flight prices

How far in advance should I book a flight to Copenhagen?

You are more likely to see cheaper flights to Copenhagen from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $624 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from Washington, D.C. for as low as $565 on momondo.

What cabin class options are available on Washington, D.C. to Kastrup Copenhagen flights?

There are 3 cabin classes available to choose from on Washington, D.C. to Kastrup Copenhagen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. to Copenhagen flights?

You could potentially save up to 35% on your flight if you consider stops on a Washington, D.C. to Copenhagen flight.

How have Washington, D.C. to Copenhagen flight prices changed over time?

As of October 2025, prices for Washington, D.C. to Copenhagen flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Copenhagen

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Copenhagen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Copenhagen (WAS to CPH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Copenhagen

Best Price Found

$374

Fastest flight time

7h 50m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Copenhagen

1 airport
The best one-way flight to Copenhagen from Washington, D.C. in the past 72 hours is $374. The best round-trip flight deal from Washington, D.C. to Copenhagen found on momondo in the last 72 hours is $565.
The fastest flight from Washington, D.C. to Copenhagen takes 7h 50m
Direct flights go from Washington, D.C. to Copenhagen on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Copenhagen: Kastrup Copenhagen (CPH)
Search flight deals

  • How far is Washington, D.C. to Kastrup Copenhagen by plane?

    The straight-line distance from Washington, D.C. to Kastrup Copenhagen is 4043.4 mi. Typically, this will take 8h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Kastrup Copenhagen Airport?

    Prices for flights from Washington, D.C. to Kastrup Copenhagen Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Kastrup Copenhagen Airport?

  • How old do you have to be to fly from Washington, D.C. to Kastrup Copenhagen Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Kastrup Copenhagen Airport.

  • What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

    The necessary travel and health documents for your Kastrup Copenhagen Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to Copenhagen?

  • What is the most popular airline from Washington, D.C. to Copenhagen?

Best airlines flying from Washington, D.C. to Copenhagen

Compare and see reviews for airlines that fly from Washington, D.C. to Copenhagen with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $285Free CancellationRating
7.4
1,537 reviews
Search Scandinavian Airlines flights
PLAYPriceFrom $292Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $373Free CancellationRating
7.1
561 reviews
Search Icelandair flights
SWISSPriceFrom $480Free CancellationRating
7.5
1,772 reviews
Search SWISS flights
LufthansaPriceFrom $508Free CancellationRating
6.8
7,518 reviews
Search Lufthansa flights
British AirwaysPriceFrom $509Free CancellationRating
6.7
7,468 reviews
Search British Airways flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
KLMPriceFrom $588Free CancellationRating
7.7
1,405 reviews
Search KLM flights
DeltaPriceFrom $589Free CancellationRating
7.9
7,982 reviews
Search Delta flights

  • Delta Flights From Washington, D.C. to Copenhagen

    Delta is one of the most popular airlines flying from Washington, D.C. to Copenhagen, operating 5 flights/week on average for this route. A good Delta flight deal for Washington, D.C. to Copenhagen starts from $589 round-trip, up to an average price of $972. Our users have rated Delta at 7.9/10.

  • Scandinavian Airlines Flights From Washington, D.C. to Copenhagen

    $285 is the best Scandinavian Airlines flight deal from Washington, D.C. to Copenhagen found on momondo over the last 72 hours. The average Scandinavian Airlines ticket price found was closer to $707, however, with flight time and availability significantly affecting the price. Scandinavian Airlines (7.4/10 from 1,535 user reviews) flies into Copenhagen from Washington, D.C. 5 times in an average week so prices can vary.

Traveling to a place near Copenhagen?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Copenhagen?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Copenhagen. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Copenhagen with flexible booking policies on momondo?

Flights from Washington, D.C. to Copenhagen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Copenhagen?

momondo helps you find the best flight between Washington, D.C. and Copenhagen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Copenhagen right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Copenhagen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Copenhagen and let you know when they change.

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