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Cheap flights from Copenhagen to Washington, D.C. from $324

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 5/11. 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
12:55 pm - 6:30 pm
CPH
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 11:45 am
IAD
-
CPH
10h 05m1 stop
$482Icelandair
Sat, Jan 24 - Mon, Feb 2
Multiple Airlines Logo
6:50 am - 2:35 pm
CPH
-
IAD
13h 45m1 stop
Multiple Airlines Logo
8:30 pm - 2:10 pm
IAD
-
CPH
11h 40m1 stop
$484Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Icelandair Logo
12:55 pm - 6:30 pm
CPH
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 11:45 am
IAD
-
CPH
10h 05m1 stop
$488Icelandair
Fri, Jan 23 - Sat, Feb 7
Icelandair Logo
10:35 pm - 7:20 pm
CPH
-
IAD
26h 45m1 stop
Icelandair Logo
8:30 pm - 4:15 pm
IAD
-
CPH
13h 45m1 stop
$494Icelandair
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
6:55 am - 2:35 pm
CPH
-
IAD
13h 40m1 stop
Multiple Airlines Logo
5:25 pm - 7:05 pm
IAD
-
CPH
19h 40m1 stop
$495Multiple Airlines
Mon, Jan 19 - Mon, Jan 26
Air Canada Logo
2:30 pm - 3:46 pm
CPH
-
IAD
31h 16m2 stops
Air Canada Logo
1:15 pm - 11:25 am
IAD
-
CPH
16h 10m2 stops
$512Air Canada
Sat, Jan 24 - Mon, Feb 2
Icelandair Logo
12:55 pm - 6:30 pm
CPH
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 11:45 am
IAD
-
CPH
10h 05m1 stop
$515Icelandair
Thu, Jan 22 - Mon, Jan 26
Air Canada Logo
2:30 pm - 3:46 pm
CPH
-
IAD
31h 16m2 stops
Air Canada Logo
9:45 am - 1:35 pm
IAD
-
CPH
21h 50m2 stops
$517Air Canada
Sat, Jan 24 - Mon, Feb 2
Air Canada Logo
2:30 pm - 3:46 pm
CPH
-
IAD
31h 16m2 stops
Air Canada Logo
1:15 pm - 11:25 am
IAD
-
CPH
16h 10m2 stops
$518Air Canada
Sat, Jan 24 - Mon, Feb 2
Multiple Airlines Logo
7:20 pm - 3:35 pm
CPH
-
IAD
26h 15m2 stops
Multiple Airlines Logo
9:45 pm - 2:50 pm
IAD
-
CPH
11h 05m1 stop
$521Multiple Airlines
Sat, Jan 24 - Mon, Feb 2

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

Our best SWISS deals on Copenhagen to Washington, D.C. Dulles Intl Airport flight tickets
SWISS
Dec 20
CPH7:55 pmKastrup Copenhagen
26h 45m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
Dec 30
IAD8:30 pmWashington, D.C. Dulles Intl
20h 35m
1 stop
CPH11:05 pmKastrup Copenhagen
$717
Find similar
SWISS
Dec 19
CPH9:50 amKastrup Copenhagen
12h 50m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
Dec 30
IAD8:30 pmWashington, D.C. Dulles Intl
20h 35m
1 stop
CPH11:05 pmKastrup Copenhagen
$776
Find similar

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

Our best Lufthansa deals on Copenhagen to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Jan 19
CPH10:10 amKastrup Copenhagen
11h 40m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Jan 26
IAD6:00 pmWashington, D.C. Dulles Intl
12h 00m
1 stop
CPH12:00 pmKastrup Copenhagen
$537
Find similar
Lufthansa
Dec 20
CPH2:30 pmKastrup Copenhagen
29h 30m
2 stops
IAD2:00 pmWashington, D.C. Dulles Intl
Dec 30
IAD10:20 pmWashington, D.C. Dulles Intl
29h 00m
2 stops
CPH9:20 amKastrup Copenhagen
$861
Find similar

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 December 6, 2025.
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

Sat 1/24

12:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 2/2

7:40 pm-11:45 am

1 stop10h 05m

$482

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Tue 1/20

6:50 am-2:35 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Tue 1/27

8:30 pm-2:10 pm

1 stop11h 40m

$484

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Fri 1/23

12:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 2/7

7:40 pm-11:45 am

1 stop10h 05m

$488

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 3/30

10:35 pm-7:20 pm

1 stop26h 45m

Washington, D.C. Dulles Intl

Mon 4/6

8:30 pm-4:15 pm

1 stop13h 45m

$494

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 1/19

6:55 am-2:35 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

Mon 1/26

5:25 pm-7:05 pm

1 stop19h 40m

$495

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sat 1/24

2:30 pm-3:46 pm

2 stops31h 16m

Washington, D.C. Dulles Intl

Mon 2/2

1:15 pm-11:25 am

2 stops16h 10m

$512

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 1/22

12:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 1/26

7:40 pm-11:45 am

1 stop10h 05m

$515

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sat 1/24

2:30 pm-3:46 pm

2 stops31h 16m

Washington, D.C. Dulles Intl

Mon 2/2

9:45 am-1:35 pm

2 stops21h 50m

$517

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sat 1/24

2:30 pm-3:46 pm

2 stops31h 16m

Washington, D.C. Dulles Intl

Mon 2/2

1:15 pm-11:25 am

2 stops16h 10m

$518

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sat 1/24

7:20 pm-3:35 pm

2 stops26h 15m

Washington, D.C. Dulles Intl

Mon 2/2

9:45 pm-2:50 pm

1 stop11h 05m

$521

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

In general, February 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 $496. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport 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 $500.

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

Our data shows that Sunday 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 $671. 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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $568 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $749 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 $589 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 $496 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 50% 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 December 2025, prices for Copenhagen to Washington, D.C. Dulles Intl Airport flights are approximately 57% 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

$730

Fastest flight time

8h 35m

Direct flights

Tue, Fri and Sun
The best flight deal from Copenhagen to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $730
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 Tuesday, Friday and Sunday. The only airline offering direct flights is Scandinavian Airlines.
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 9h 20m.

  • 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
7.5
1,804 reviews
Search SWISS flights
LufthansaPriceFrom $492Free CancellationRating
6.8
7,616 reviews
Search Lufthansa flights
United AirlinesPriceFrom $502Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $552Free CancellationRating
7.4
1,594 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 $724. Scandinavian Airlines is rated 7.4/10 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Reston
Manassas
Gaithersburg
Sterling
Fairfax

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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