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Cheap flights from Copenhagen to Washington, D.C. from $329

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 4/25. 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 Copenhagen to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:05 am - 4:50 pm
CPH
-
IAD
14h 45m
1 stop
Multiple Airlines Logo
9:55 am - 11:05 am
IAD
-
CPH
19h 10m
2 stops
$498Multiple Airlines
Thu, Mar 26 - Tue, Apr 7
Air Canada Logo
6:50 am - 8:54 pm
CPH
-
IAD
19h 04m
2 stops
Air Canada Logo
9:55 am - 1:35 pm
IAD
-
CPH
22h 40m
2 stops
$502Air Canada
Wed, Mar 18 - Mon, Mar 23
TAP AIR PORTUGAL Logo
12:40 pm - 9:00 pm
CPH
-
IAD
14h 20m
1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 11:40 pm
IAD
-
CPH
19h 10m
1 stop
$503TAP AIR PORTUGAL
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
10:10 am - 8:29 pm
CPH
-
IAD
16h 19m
2 stops
Multiple Airlines Logo
5:45 pm - 2:05 pm
IAD
-
CPH
14h 20m
1 stop
$504Multiple Airlines
Thu, Feb 5 - Wed, Feb 18
Multiple Airlines Logo
2:55 pm - 4:40 pm
CPH
-
IAD
31h 45m
1 stop
Multiple Airlines Logo
9:45 am - 11:25 am
IAD
-
CPH
19h 40m
2 stops
$505Multiple Airlines
Thu, Feb 5 - Wed, Feb 18
Air Canada Logo
7:05 am - 8:26 pm
CPH
-
IAD
19h 21m
2 stops
Air Canada Logo
9:55 am - 9:00 am
IAD
-
CPH
18h 05m
2 stops
$506Air Canada
Thu, Mar 5 - Thu, Mar 19
Austrian Airlines Logo
7:00 am - 2:40 pm
CPH
-
IAD
13h 40m
1 stop
Austrian Airlines Logo
6:00 pm - 11:25 am
IAD
-
CPH
11h 25m
1 stop
$507Austrian Airlines
Fri, Feb 20 - Fri, Feb 27
United Airlines Logo
10:10 am - 4:05 pm
CPH
-
IAD
11h 55m
1 stop
United Airlines Logo
8:20 pm - 2:10 pm
IAD
-
CPH
11h 50m
1 stop
$508United Airlines
Fri, Apr 10 - Sun, Apr 26
Multiple Airlines Logo
6:50 am - 2:35 pm
CPH
-
IAD
13h 45m
1 stop
Multiple Airlines Logo
8:30 pm - 2:10 pm
IAD
-
CPH
11h 40m
1 stop
$509Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
United Airlines Logo
10:10 am - 3:50 pm
CPH
-
IAD
11h 40m
1 stop
United Airlines Logo
5:45 pm - 2:00 pm
IAD
-
CPH
14h 15m
1 stop
$510United Airlines
Mon, Feb 16 - Sun, Feb 22

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
Feb 8
CPH6:00 amKastrup Copenhagen
20h 15m
2 stops
IAD8:15 pmWashington, D.C. Dulles Intl
Feb 15
IAD5:40 pmWashington, D.C. Dulles Intl
17h 55m
1 stop
CPH5:35 pmKastrup Copenhagen
$535
Lufthansa
Jan 26
CPH10:10 amKastrup Copenhagen
11h 40m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Jan 29
IAD6:00 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
CPH1:45 pmKastrup Copenhagen
$581

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

Our best American Airlines deals on Copenhagen to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Feb 18
CPH6:55 amKastrup Copenhagen
19h 35m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
Feb 22
IAD2:03 pmWashington, D.C. Dulles Intl
18h 17m
2 stops
CPH2:20 pmKastrup Copenhagen
$517
American Airlines
Feb 18
CPH6:55 amKastrup Copenhagen
19h 35m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
Feb 22
IAD2:03 pmWashington, D.C. Dulles Intl
18h 17m
2 stops
CPH2:20 pmKastrup Copenhagen
$523
American Airlines
Feb 1
CPH11:50 amKastrup Copenhagen
17h 22m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
Feb 9
IAD5:46 pmWashington, D.C. Dulles Intl
15h 04m
2 stops
CPH2:50 pmKastrup Copenhagen
$552

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 14, 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

Thu 3/26

7:05 am-4:50 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Tue 4/7

9:55 am-11:05 am

2 stops19h 10m

$498

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Wed 3/18

6:50 am-8:54 pm

2 stops19h 04m

Washington, D.C. Dulles Intl

Mon 3/23

9:55 am-1:35 pm

2 stops22h 40m

$502

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Fri 2/27

12:40 pm-9:00 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Fri 3/6

10:30 pm-11:40 pm

1 stop19h 10m

$503

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 2/5

10:10 am-8:29 pm

2 stops16h 19m

Washington, D.C. Dulles Intl

Wed 2/18

5:45 pm-2:05 pm

1 stop14h 20m

$504

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 2/5

2:55 pm-4:40 pm

1 stop31h 45m

Washington, D.C. Dulles Intl

Wed 2/18

9:45 am-11:25 am

2 stops19h 40m

$505

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 3/5

7:05 am-8:26 pm

2 stops19h 21m

Washington, D.C. Dulles Intl

Thu 3/19

9:55 am-9:00 am

2 stops18h 05m

$506

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Fri 2/20

7:00 am-2:40 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

Fri 2/27

6:00 pm-11:25 am

1 stop11h 25m

$507

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Fri 4/10

10:10 am-4:05 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Sun 4/26

8:20 pm-2:10 pm

1 stop11h 50m

$508

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Tue 2/17

6:50 am-2:35 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Tue 2/24

8:30 pm-2:10 pm

1 stop11h 40m

$509

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Mon 2/16

10:10 am-3:50 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Sun 2/22

5:45 pm-2:00 pm

1 stop14h 15m

$510

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, 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 $512. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $515.

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

Our data shows that Friday 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 $686. 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 $610 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 $755 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 $594 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 48% 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

Fastest flight time

8h 35m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun
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
7.5
1,847 reviews
Search SWISS flights
LufthansaPriceFrom $492Free CancellationRating
6.8
7,714 reviews
Search Lufthansa flights
United AirlinesPriceFrom $505Free CancellationRating
7.4
9,159 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $556Free CancellationRating
7.3
1,650 reviews
Search Scandinavian Airlines flights

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
Harpers Ferry
Manassas
Springfield
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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