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Cheap flights from Washington, D.C. Dulles Intl Airport to Copenhagen from $230

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. Dulles Intl Airport to Copenhagen departing on 1/12. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Copenhagen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
7:40 pm - 11:45 am
IAD
-
CPH
10h 05m1 stop
Icelandair Logo
1:05 pm - 6:30 pm
CPH
-
IAD
11h 25m1 stop
$446Icelandair
Sat, Jan 17 - Wed, Jan 21
Icelandair Logo
8:40 pm - 11:45 am
IAD
-
CPH
10h 05m1 stop
Icelandair Logo
8:50 pm - 7:30 pm
CPH
-
IAD
27h 40m1 stop
$448Icelandair
Mon, Mar 9 - Mon, Mar 23
TAP AIR PORTUGAL Logo
11:30 pm - 11:40 pm
IAD
-
CPH
19h 10m1 stop
TAP AIR PORTUGAL Logo
12:40 pm - 10:00 pm
CPH
-
IAD
14h 20m1 stop
$453TAP AIR PORTUGAL
Fri, Mar 13 - Fri, Mar 20
Scandinavian Airlines Logo
12:23 pm - 7:10 am
IAD
-
CPH
12h 47m1 stop
Scandinavian Airlines Logo
1:55 pm - 5:15 pm
CPH
-
IAD
9h 20mnonstop
$454Scandinavian Airlines
Wed, Feb 18 - Mon, Feb 23
TAP AIR PORTUGAL Logo
10:30 pm - 11:40 pm
IAD
-
CPH
19h 10m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 9:00 pm
CPH
-
IAD
21h 00m1 stop
$457TAP AIR PORTUGAL
Wed, Jan 14 - Sun, Jan 18
Scandinavian Airlines Logo
12:23 pm - 7:10 am
IAD
-
CPH
12h 47m1 stop
Scandinavian Airlines Logo
12:55 pm - 7:09 pm
CPH
-
IAD
12h 14m1 stop
$459Scandinavian Airlines
Tue, Feb 24 - Fri, Feb 27
TAP AIR PORTUGAL Logo
10:30 pm - 11:50 am
IAD
-
CPH
31h 20m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pm
CPH
-
IAD
15h 15m1 stop
$461TAP AIR PORTUGAL
Wed, Jan 14 - Thu, Jan 22
TAP AIR PORTUGAL Logo
10:30 pm - 11:40 pm
IAD
-
CPH
19h 10m1 stop
TAP AIR PORTUGAL Logo
12:40 pm - 3:15 pm
CPH
-
IAD
32h 35m1 stop
$464TAP AIR PORTUGAL
Wed, Jan 14 - Wed, Jan 21
TAP AIR PORTUGAL Logo
10:30 pm - 11:40 pm
IAD
-
CPH
19h 10m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 9:00 pm
CPH
-
IAD
21h 00m1 stop
$467TAP AIR PORTUGAL
Fri, Jan 16 - Sun, Jan 18
TAP AIR PORTUGAL Logo
10:30 pm - 11:40 pm
IAD
-
CPH
19h 10m1 stop
TAP AIR PORTUGAL Logo
12:40 pm - 2:35 pm
CPH
-
IAD
31h 55m1 stop
$470TAP AIR PORTUGAL
Fri, Jan 30 - Mon, Feb 16

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Copenhagen

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Copenhagen flight tickets
TAP AIR PORTUGAL
Mar 13
IAD11:30 pmWashington, D.C. Dulles Intl
19h 10m
1 stop
CPH11:40 pmKastrup Copenhagen
Mar 20
CPH12:40 pmKastrup Copenhagen
14h 20m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$453
Find similar
TAP AIR PORTUGAL
Jan 30
IAD10:30 pmWashington, D.C. Dulles Intl
19h 10m
1 stop
CPH11:40 pmKastrup Copenhagen
Feb 16
CPH12:40 pmKastrup Copenhagen
31h 55m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
$470
Find similar
TAP AIR PORTUGAL
Jan 29
IAD5:30 pmWashington, D.C. Dulles Intl
12h 20m
1 stop
CPH11:50 amKastrup Copenhagen
Feb 16
CPH12:40 pmKastrup Copenhagen
31h 55m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
$484
Find similar

Icelandair flights from Washington, D.C. Dulles Intl Airport to Copenhagen

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Copenhagen flight tickets
Icelandair
Mar 9
IAD8:40 pmWashington, D.C. Dulles Intl
10h 05m
1 stop
CPH11:45 amKastrup Copenhagen
Mar 23
CPH8:50 pmKastrup Copenhagen
27h 40m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
$448
Find similar
Icelandair
Jan 10
IAD7:40 pmWashington, D.C. Dulles Intl
18h 45m
1 stop
CPH8:25 pmKastrup Copenhagen
Jan 17
CPH1:25 pmKastrup Copenhagen
11h 05m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$454
Find similar
Icelandair
Jan 5
IAD7:40 pmWashington, D.C. Dulles Intl
27h 40m
1 stop
CPH5:20 amKastrup Copenhagen
Jan 14
CPH6:15 amKastrup Copenhagen
18h 15m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$497
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 December 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Sat 1/17

7:40 pm-11:45 am

1 stop10h 05m

Kastrup Copenhagen

Wed 1/21

1:05 pm-6:30 pm

1 stop11h 25m

$446

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Mon 3/9

8:40 pm-11:45 am

1 stop10h 05m

Kastrup Copenhagen

Mon 3/23

8:50 pm-7:30 pm

1 stop27h 40m

$448

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Fri 3/13

11:30 pm-11:40 pm

1 stop19h 10m

Kastrup Copenhagen

Fri 3/20

12:40 pm-10:00 pm

1 stop14h 20m

$453

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 2/18

12:23 pm-7:10 am

1 stop12h 47m

Kastrup Copenhagen

Mon 2/23

1:55 pm-5:15 pm

Nonstop9h 20m

$454

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 1/14

10:30 pm-11:40 pm

1 stop19h 10m

Kastrup Copenhagen

Sun 1/18

6:00 am-9:00 pm

1 stop21h 00m

$457

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Tue 2/24

12:23 pm-7:10 am

1 stop12h 47m

Kastrup Copenhagen

Fri 2/27

12:55 pm-7:09 pm

1 stop12h 14m

$459

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 1/14

10:30 pm-11:50 am

1 stop31h 20m

Kastrup Copenhagen

Thu 1/22

6:00 am-3:15 pm

1 stop15h 15m

$461

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Wed 1/14

10:30 pm-11:40 pm

1 stop19h 10m

Kastrup Copenhagen

Wed 1/21

12:40 pm-3:15 pm

1 stop32h 35m

$464

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Fri 1/16

10:30 pm-11:40 pm

1 stop19h 10m

Kastrup Copenhagen

Sun 1/18

6:00 am-9:00 pm

1 stop21h 00m

$467

Washington, D.C.Copenhagen

IAD - CPH

IADCPH

Washington, D.C. Dulles Intl

Fri 1/30

10:30 pm-11:40 pm

1 stop19h 10m

Kastrup Copenhagen

Mon 2/16

12:40 pm-2:35 pm

1 stop31h 55m

$470

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. Dulles Intl Airport 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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Copenhagen?

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Washington, D.C. Dulles Intl Airport is in February. Flight prices, which tend to average around $493, 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 March is also cheap. Prices for this month can be found on momondo for an average of $537.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Copenhagen is on a Monday when prices can be found for as low as $590. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Copenhagen for around $686.

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

Flying to Copenhagen from Washington, D.C. Dulles Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $563 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $656. 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. Dulles Intl to Kastrup Copenhagen flight route?

Fly from Washington, D.C. Dulles Intl to Kastrup Copenhagen for the best Washington, D.C. Dulles Intl - 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. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $634 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. Dulles Intl Airport for as low as $610 on momondo.

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

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Copenhagen flights?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Copenhagen flight.

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

As of December 2025, prices for Washington, D.C. Dulles Intl Airport to Copenhagen flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Copenhagen

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Copenhagen (IAD to CPH) flight deals and tips

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

Best Price Found

$383

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. Dulles Intl Airport in the past 72 hours is $383. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Copenhagen found on momondo in the last 72 hours is $522.
The fastest flight from Washington, D.C. Dulles Intl Airport to Copenhagen takes 7h 50m
Direct flights go from Washington, D.C. Dulles Intl Airport to Copenhagen on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Copenhagen. From Washington, D.C. Dulles Intl Airport there are direct flights to Kastrup Copenhagen (CPH).
Search flight deals

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

    A flight from Washington, D.C. Dulles Intl to Kastrup Copenhagen will travel around 4055.9 mi. A reasonable flight in good conditions will take 7h 50m.

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

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

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

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

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

Best airlines flying from Washington, D.C. Dulles Intl Airport to Copenhagen

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Copenhagen with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $285Free CancellationRating
7.0
103 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $354Free CancellationRating
7.1
2,089 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $409Free CancellationRating
7.0
589 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $448Free CancellationRating
7.4
1,605 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $493Free CancellationRating
7.5
1,810 reviews
Search SWISS flights
United AirlinesPriceFrom $536Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
LufthansaPriceFrom $578Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
KLMPriceFrom $588Free CancellationRating
7.7
1,432 reviews
Search KLM flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
DeltaPriceFrom $640Free CancellationRating
7.9
8,007 reviews
Search Delta flights

  • Delta Flights From Washington, D.C. Dulles Intl Airport to Copenhagen

    The lowest priced Delta flight from Washington, D.C. Dulles Intl Airport to Copenhagen from the last 72 hours was $640. Generally, Delta has 4 flights on this route every week with an average price of $1,031. Delta is rated 7.9/10 by our users.

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

    $448 is the best Scandinavian Airlines flight deal from Washington, D.C. Dulles Intl Airport to Copenhagen found on momondo over the last 72 hours. The average Scandinavian Airlines ticket price found was closer to $703, however, with flight time and availability significantly affecting the price. Scandinavian Airlines (7.4/10 from 1,605 user reviews) flies into Copenhagen from Washington, D.C. Dulles Intl Airport 4 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?

Finding the right flight to Copenhagen from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Copenhagen quick and easy, saving you time and money.

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?

Once you have performed a search for Washington, D.C. to Copenhagen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Washington, D.C. to Copenhagen flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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