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Cheap flights from Copenhagen to Washington, D.C. from $261

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Copenhagen to Washington, D.C. departing on 3/24. 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
8:50 pm - 7:30 pm
CPH
-
IAD
27h 40m
1 stop
Icelandair Logo
8:40 pm - 11:45 am
IAD
-
CPH
10h 05m
1 stop
$510Icelandair
Mon, Mar 9 - Sat, Mar 21
Finnair Logo
5:00 pm - 3:50 pm
CPH
-
IAD
28h 50m
2 stops
Finnair Logo
5:40 pm - 11:05 am
IAD
-
CPH
11h 25m
1 stop
$511Finnair
Fri, Jun 5 - Sat, Jun 20
Icelandair Logo
12:55 pm - 6:30 pm
CPH
-
IAD
11h 35m
1 stop
Icelandair Logo
8:40 pm - 11:45 am
IAD
-
CPH
10h 05m
1 stop
$516Icelandair
Fri, Feb 20 - Mon, Mar 16
Icelandair Logo
6:15 am - 6:30 pm
CPH
-
IAD
18h 15m
1 stop
Icelandair Logo
7:40 pm - 7:50 pm
IAD
-
CPH
18h 10m
1 stop
$517Icelandair
Wed, Feb 18 - Sun, Feb 22
Icelandair Logo
6:15 am - 6:30 pm
CPH
-
IAD
18h 15m
1 stop
Icelandair Logo
8:40 pm - 11:45 am
IAD
-
CPH
10h 05m
1 stop
$520Icelandair
Wed, Feb 18 - Mon, Mar 16
Multiple Airlines Logo
2:20 pm - 9:15 pm
CPH
-
IAD
11h 55m
1 stop
Multiple Airlines Logo
9:30 pm - 11:05 pm
IAD
-
CPH
20h 35m
1 stop
$522Multiple Airlines
Mon, Mar 9 - Sat, Mar 14
American Airlines Logo
8:35 am - 10:53 pm
CPH
-
IAD
19h 18m
2 stops
American Airlines Logo
7:20 pm - 11:45 am
IAD
-
CPH
11h 25m
1 stop
$523American Airlines
Mon, Mar 9 - Sat, Mar 21
Lufthansa Logo
6:50 am - 2:35 pm
CPH
-
IAD
13h 45m
1 stop
Lufthansa Logo
6:40 pm - 5:35 pm
IAD
-
CPH
17h 55m
1 stop
$526Lufthansa
Sun, Mar 8 - Thu, Mar 12
American Airlines Logo
8:35 am - 10:53 pm
CPH
-
IAD
19h 18m
2 stops
American Airlines Logo
2:03 pm - 11:45 am
IAD
-
CPH
16h 42m
2 stops
$527American Airlines
Mon, Mar 9 - Sat, Mar 21
Icelandair Logo
7:20 am - 10:15 pm
CPH
-
IAD
20h 55m
1 stop
Icelandair Logo
8:30 pm - 12:55 pm
IAD
-
CPH
10h 25m
1 stop
$528Icelandair
Sun, May 10 - Sat, May 23

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

Our best Icelandair deals on Copenhagen to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Mar 9
CPH8:50 pmKastrup Copenhagen
27h 40m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Mar 21
IAD8:40 pmWashington, D.C. Dulles Intl
10h 05m
1 stop
CPH11:45 amKastrup Copenhagen
$510
Icelandair
Feb 20
CPH12:55 pmKastrup Copenhagen
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 16
IAD8:40 pmWashington, D.C. Dulles Intl
10h 05m
1 stop
CPH11:45 amKastrup Copenhagen
$516
Icelandair
Feb 18
CPH6:15 amKastrup Copenhagen
18h 15m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 22
IAD7:40 pmWashington, D.C. Dulles Intl
18h 10m
1 stop
CPH7:50 pmKastrup Copenhagen
$517

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

Our best Finnair deals on Copenhagen to Washington, D.C. Dulles Intl Airport flight tickets
Finnair
Jun 5
CPH5:00 pmKastrup Copenhagen
28h 50m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Jun 20
IAD5:40 pmWashington, D.C. Dulles Intl
11h 25m
1 stop
CPH11:05 amKastrup Copenhagen
$511
Finnair
Mar 16
CPH8:35 amKastrup Copenhagen
37h 00m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
Mar 23
IAD7:20 pmWashington, D.C. Dulles Intl
18h 15m
2 stops
CPH6:35 pmKastrup Copenhagen
$572
Finnair
May 10
CPH5:00 pmKastrup Copenhagen
28h 50m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
May 23
IAD5:40 pmWashington, D.C. Dulles Intl
23h 30m
2 stops
CPH11:10 pmKastrup Copenhagen
$620

momondo Fare Finder

 
Customize your flight search to find flights from Copenhagen to Washington, D.C. Dulles Intl Airport 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 January 31, 2026.
Use the filters below to find and compare flights from Copenhagen to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 3/9

8:50 pm-7:30 pm

1 stop27h 40m

Washington, D.C. Dulles Intl

Sat 3/21

8:40 pm-11:45 am

1 stop10h 05m

$510

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Fri 6/5

5:00 pm-3:50 pm

2 stops28h 50m

Washington, D.C. Dulles Intl

Sat 6/20

5:40 pm-11:05 am

1 stop11h 25m

$511

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Fri 2/20

12:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 3/16

8:40 pm-11:45 am

1 stop10h 05m

$516

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Wed 2/18

6:15 am-6:30 pm

1 stop18h 15m

Washington, D.C. Dulles Intl

Sun 2/22

7:40 pm-7:50 pm

1 stop18h 10m

$517

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Wed 2/18

6:15 am-6:30 pm

1 stop18h 15m

Washington, D.C. Dulles Intl

Mon 3/16

8:40 pm-11:45 am

1 stop10h 05m

$520

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 3/9

2:20 pm-9:15 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Sat 3/14

9:30 pm-11:05 pm

1 stop20h 35m

$522

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 3/9

8:35 am-10:53 pm

2 stops19h 18m

Washington, D.C. Dulles Intl

Sat 3/21

7:20 pm-11:45 am

1 stop11h 25m

$523

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sun 3/8

6:50 am-2:35 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Thu 3/12

6:40 pm-5:35 pm

1 stop17h 55m

$526

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 3/9

8:35 am-10:53 pm

2 stops19h 18m

Washington, D.C. Dulles Intl

Sat 3/21

2:03 pm-11:45 am

2 stops16h 42m

$527

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sun 5/10

7:20 am-10:15 pm

1 stop20h 55m

Washington, D.C. Dulles Intl

Sat 5/23

8:30 pm-12:55 pm

1 stop10h 25m

$528

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 Washington, D.C. from

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

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 Copenhagen and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, November is the cheapest month to fly from Copenhagen to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $515. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $521.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $636. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Copenhagen to Washington, D.C. Dulles Intl Airport for around $923.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Copenhagen at noon is the least expensive time of day to depart. momondo users have found prices as low as $612 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $756 on average. Flights to Washington, D.C. Dulles Intl Airport from Copenhagen in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Copenhagen when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $600 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Copenhagen for as low as $540 on momondo.

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

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

You could potentially save up to 42% on your flight if you consider stops on a Copenhagen to Washington, D.C. Dulles Intl Airport flight.

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

As of January 2026, prices for Copenhagen to Washington, D.C. Dulles Intl Airport flights are approximately 84% more expensive when compared to flights at the same time last year.

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

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

Cheap Copenhagen to Washington, D.C. Dulles Intl Airport (CPH to IAD) flight deals and tips

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

Best Price Found

$956

Fastest flight time

8h 35m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun
The best one-way flight to Washington, D.C. Dulles Intl Airport from Copenhagen in the past 72 hours is $956. The best round-trip flight deal from Copenhagen to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $581.
The fastest flight from Copenhagen to Washington, D.C. Dulles Intl Airport takes 8h 35m
Direct flights go from Copenhagen to Washington, D.C. Dulles Intl Airport on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

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

    There are 4055.9 mi between Kastrup Copenhagen and Washington, D.C. Dulles Intl. By plane, this route typically takes 8h 35m.

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

    Prices for flights from Kastrup Copenhagen Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kastrup Copenhagen Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Copenhagen to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $417Free CancellationRating
7.6
1,864 reviews
Search SWISS flights
LufthansaPriceFrom $492Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
United AirlinesPriceFrom $505Free CancellationRating
7.4
9,218 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $552Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights

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

    The lowest priced Scandinavian Airlines flight from Copenhagen to Washington, D.C. Dulles Intl Airport from the last 72 hours was $552. Generally, Scandinavian Airlines has 1 flight on this route every week with an average price of $738. Scandinavian Airlines is rated 7.3/10 by our users.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

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

It is quick and easy to find Copenhagen to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

momondo does allow users to show only those flights to Washington, D.C. from Copenhagen which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Copenhagen and Washington, D.C. 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 Copenhagen to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Copenhagen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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