Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Copenhagen to Washington, D.C. from $412

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 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Copenhagen to Washington, D.C.

Cheap round-trip flights

Icelandair Logo
2:00 pm - 7:20 pmCPH-IAD
11h 20m1 stop
Icelandair Logo
11:15 pm - 9:45 pmIAD-CPH
16h 30m1 stop
$444Icelandair
Find Deal
Thu, Sep 11 - Wed, Sep 24
Icelandair Logo
4:45 pm - 7:20 pmCPH-IAD
32h 35m1 stop
Icelandair Logo
8:30 pm - 12:55 pmIAD-CPH
10h 25m1 stop
$445Icelandair
Find Deal
Thu, Sep 11 - Sun, Sep 21
Icelandair Logo
2:00 pm - 7:20 pmCPH-IAD
11h 20m1 stop
Icelandair Logo
8:30 pm - 12:55 pmIAD-CPH
10h 25m1 stop
$446Icelandair
Find Deal
Thu, Sep 11 - Sun, Sep 21
British Airways Logo
8:50 pm - 7:45 pmCPH-IAD
28h 55m2 stops
British Airways Logo
7:20 pm - 9:50 pmIAD-CPH
21h 30m1 stop
$500British Airways
Find Deal
Thu, Oct 16 - Wed, Oct 29
Lufthansa Logo
6:10 am - 1:30 pmCPH-IAD
13h 20m1 stop
Lufthansa Logo
10:20 pm - 8:40 pmIAD-CPH
16h 20m1 stop
$503Lufthansa
Find Deal
Thu, Oct 9 - Thu, Oct 16
United Airlines Logo
10:10 am - 3:50 pmCPH-IAD
11h 40m1 stop
United Airlines Logo
10:17 pm - 2:05 pmIAD-CPH
33h 48m2 stops
$510United Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 30
Scandinavian Airlines Logo
3:30 pm - 7:50 pmCPH-IAD
9h 20mnonstop
Scandinavian Airlines Logo
8:30 pm - 10:35 amIAD-CPH
8h 05mnonstop
$524Scandinavian Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 15
Scandinavian Airlines Logo
5:30 pm - 7:59 pmCPH-IAD
8h 29mnonstop
Scandinavian Airlines Logo
9:30 pm - 10:35 amIAD-CPH
8h 05mnonstop
$538Scandinavian Airlines
Find Deal
Thu, Oct 16 - Wed, Oct 29
Lufthansa Logo
6:10 am - 1:30 pmCPH-IAD
13h 20m1 stop
Lufthansa Logo
6:40 pm - 11:45 amIAD-CPH
12h 05m2 stops
$551Lufthansa
Find Deal
Thu, Oct 16 - Wed, Oct 29
United Airlines Logo
6:10 am - 3:50 pmCPH-IAD
15h 40m1 stop
United Airlines Logo
3:25 pm - 12:00 pmIAD-CPH
14h 35m2 stops
$574United Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 16

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
Sep 11
CPH2:00 pmKastrup Copenhagen
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Sep 24
IAD11:15 pmWashington, D.C. Dulles Intl
16h 30m
1 stop
CPH9:45 pmKastrup Copenhagen
$444
Find similar
Icelandair
Sep 11
CPH4:45 pmKastrup Copenhagen
32h 35m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Sep 21
IAD8:30 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
CPH12:55 pmKastrup Copenhagen
$445
Find similar
Icelandair
Sep 11
CPH2:00 pmKastrup Copenhagen
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Sep 21
IAD8:30 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
CPH12:55 pmKastrup Copenhagen
$446
Find similar

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

Our best Air Canada deals on Copenhagen to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Oct 16
CPH12:50 pmKastrup Copenhagen
26h 48m
1 stop
IAD9:38 amWashington, D.C. Dulles Intl
Oct 29
IAD4:30 pmWashington, D.C. Dulles Intl
16h 35m
2 stops
CPH2:05 pmKastrup Copenhagen
$464
Find similar
Air Canada
Oct 16
CPH12:50 pmKastrup Copenhagen
30h 48m
1 stop
IAD1:38 pmWashington, D.C. Dulles Intl
Oct 29
IAD4:30 pmWashington, D.C. Dulles Intl
16h 35m
2 stops
CPH2:05 pmKastrup Copenhagen
$468
Find similar
Air Canada
Oct 14
CPH6:05 amKastrup Copenhagen
21h 00m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
Oct 21
IAD2:25 pmWashington, D.C. Dulles Intl
15h 35m
2 stops
CPH12:00 pmKastrup Copenhagen
$480
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 September 1, 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

Thu 9/11

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 9/24

11:15 pm-9:45 pm

1 stop16h 30m

$444

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 9/11

4:45 pm-7:20 pm

1 stop32h 35m

Washington, D.C. Dulles Intl

Sun 9/21

8:30 pm-12:55 pm

1 stop10h 25m

$445

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 9/11

2:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sun 9/21

8:30 pm-12:55 pm

1 stop10h 25m

$446

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 10/16

8:50 pm-7:45 pm

2 stops28h 55m

Washington, D.C. Dulles Intl

Wed 10/29

7:20 pm-9:50 pm

1 stop21h 30m

$500

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 10/9

6:10 am-1:30 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Thu 10/16

10:20 pm-8:40 pm

1 stop16h 20m

$503

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Tue 12/16

10:10 am-3:50 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Tue 12/30

10:17 pm-2:05 pm

2 stops33h 48m

$510

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Sat 11/1

3:30 pm-7:50 pm

Nonstop9h 20m

Washington, D.C. Dulles Intl

Sat 11/15

8:30 pm-10:35 am

Nonstop8h 05m

$524

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 10/16

5:30 pm-7:59 pm

Nonstop8h 29m

Washington, D.C. Dulles Intl

Wed 10/29

9:30 pm-10:35 am

Nonstop8h 05m

$538

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 10/16

6:10 am-1:30 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Wed 10/29

6:40 pm-11:45 am

2 stops12h 05m

$551

CopenhagenWashington, D.C.

CPH - IAD

CPHIAD

Kastrup Copenhagen

Thu 10/9

6:10 am-3:50 pm

1 stop15h 40m

Washington, D.C. Dulles Intl

Thu 10/16

3:25 pm-12:00 pm

2 stops14h 35m

$574

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, October 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 $465. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $480.

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

Our data shows that Monday 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 $345. When flying out on a Tuesday, 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 $711.

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 $518 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 $725 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 $564 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 $476 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?

No. A direct flight is the cheapest option for a flight between Copenhagen to Washington, D.C. Dulles Intl Airport.

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

As of September 2025, prices for Copenhagen to Washington, D.C. Dulles Intl Airport flights are approximately 45% 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

$609

Fastest flight time

8h 29m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Copenhagen in the past 72 hours is $609. The best round-trip flight deal from Copenhagen to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $633.
The fastest flight from Copenhagen to Washington, D.C. Dulles Intl Airport takes 8h 29m
Direct flights go from Copenhagen to Washington, D.C. Dulles Intl Airport every day.
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 29m.

  • 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
British AirwaysPriceFrom $403Free CancellationRating
6.7
7,336 reviews
Search British Airways flights
United AirlinesPriceFrom $417Free CancellationRating
7.4
8,936 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $456Free CancellationRating
7.4
1,480 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $470Free CancellationRating
6.8
7,379 reviews
Search Lufthansa 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 $456. Generally, Scandinavian Airlines has 7 flights on this route every week with an average price of $671. 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Harpers Ferry
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/6
Sat 9/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.