IAD - CPH

$231 Find Cheap Flights from Washington Dulles Airport to Copenhagen - Compare and Save

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Everything you should know

Cheapest round-trip
$553
Typical prices: $595-$919
Scandinavian Airlines
Sun 3/11Thu 3/15
IAD - CPH • Non-stop
Cheapest one-way
$231
Typical prices: $356-$636
Icelandair
Sun 1/14
IAD - CPH • 1 stop
Nonstop flights
You can fly direct with Scandinavian Airlines. Average duration is 7h 57m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 21% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $518 (round-trip)
Shortest trip • 11h 52m (one-way)
Insights
Insights
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We hope you love your trip to Copenhagen!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Dulles Intl to Copenhagen (IAD-CPH)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Copenhagen

Thu, Mar 11 - Mon, Mar 15
Scandinavian Airlines Logo
8:30 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
8h 05mnonstop
Scandinavian Airlines Logo
1:55 pm - 6:15 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
9h 20mnonstop
$553Scandinavian Airlines
Sun, Oct 18 - Wed, Oct 28
Scandinavian Airlines Logo
8:20 pm - 10:10 amIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
7h 50mnonstop
Scandinavian Airlines Logo
1:55 pm - 6:15 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
9h 20mnonstop
$559Scandinavian Airlines
Thu, Jan 14 - Fri, May 14
Icelandair Logo
7:40 pm - 11:45 amIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
10h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
5:15 pm - 10:15 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
11h 00m1 stop Reykjavik Keflavik Intl
$563Icelandair
Thu, Jan 14 - Fri, May 14
Icelandair Logo
7:40 pm - 11:45 amIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
10h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
5:15 pm - 10:15 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
11h 00m1 stop Reykjavik Keflavik Intl
$567Icelandair
Mon, Nov 2 - Wed, Nov 11
British Airways Logo
6:05 pm - 11:35 amIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
11h 30m1 stop London Heathrow
British Airways Logo
12:25 pm - 7:55 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
13h 30m1 stop London Heathrow
$572British Airways
Mon, Nov 2 - Wed, Nov 11
Multiple Airlines Logo
9:55 am - 6:15 pmIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
26h 20m3 stops Montreal Pierre Elliott Trudeau Intl Madrid Barajas Amsterdam Schiphol
Multiple Airlines Logo
6:10 am - 8:23 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
20h 13m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl
$581Multiple Airlines
Sun, Oct 25 - Sun, Nov 1
TAP AIR PORTUGAL Logo
11:30 pm - 11:35 pmIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
19h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:35 pm - 3:15 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
26h 40m1 stop Lisbon Humberto Delgado
$584TAP AIR PORTUGAL
Wed, Dec 2 - Tue, Dec 8
TAP AIR PORTUGAL Logo
10:30 pm - 5:40 pmIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
13h 10m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 am - 2:40 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
14h 40m1 stop Lisbon Humberto Delgado
$584TAP AIR PORTUGAL
Mon, Oct 26 - Thu, Nov 12
SWISS Logo
9:10 pm - 11:05 pmIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
20h 55m1 stop Zurich
SWISS Logo
9:50 am - 5:00 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
13h 10m1 stop Zurich
$596SWISS
Tue, Oct 27 - Tue, Nov 3
SWISS Logo
9:10 pm - 2:10 pmIAD  Washington, D.C. Dulles Intl-CPH Kastrup Copenhagen
12h 00m1 stop Zurich
SWISS Logo
9:50 am - 5:00 pmCPH  Kastrup Copenhagen-IAD Washington, D.C. Dulles Intl
13h 10m1 stop Zurich
$596SWISS
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Copenhagen flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Copenhagen with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Copenhagen?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Copenhagen start at $553. Prices are below average for this route right now, with typical round-trip fares ranging from $595 to $919. The lowest price found in the past 5 days was $553 on Scandinavian Airlines.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Copenhagen?

Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Copenhagen, it is 14% cheaper than the average day. Friday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Copenhagen at $528 round-trip.
  • June ($916) and July ($867) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Copenhagen the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Copenhagen are cheapest 22 weeks before departure. Booking in this window typically costs about 21% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Dulles Intl to Copenhagen

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Chris Dong

Chris Dong

Expert on CPH

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Washington, D.C. Dulles Intl Airport to Copenhagen flights

Low season

February

Cheapest flight

$231
Best time to beat the crowds with an average 29% drop in price.
Most popular time to fly with an average 16% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Copenhagen

When to book flights from Dulles Intl to Copenhagen

Are your dates flexible? Find out the best times to travel from Dulles Intl to Copenhagen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Copenhagen flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • How sustainable are flights from Washington Dulles International Airport (IAD) to Copenhagen Airport (CPH)?

    The sustainability of flights from IAD to CPH vary between airlines, however, most have policies to reduce carbon emissions. Scandinavian Air aims to reduce carbon emissions by 25% within a few years, jetBlue aims for net zero carbon emissions by 2040, and IcelandAir is committed to net zero emissions by 2050.In addition, jetBlue is integrating Sustainable Aviation Fuel (SAS).

  • Are there family-friendly flights from Washington Dulles Airport (IAD) to Copenhagen Airport (CPH)?

    Yes, multiple airlines flying from IAD to CPH provide family-friendly services that make traveling with children easier. jetBlue, IcelandAir, and Scandinavian Airlines all provide age-appropriate entertainment for young ones. IcelandAir also passes out activity books for coloring. Furthermore, many offer reduced fare on economy tickets for infants (aged 0 - 2) and young children (2 - 11).

  • Can I bring a pet on my flight to Copenhagen Airport (CPH) from Washington Dulles Airport (IAD)?

    Generally speaking, Denmark allows cats, dogs, and other pets on flights from IAD to CPH. However, they require vaccinations, a microchip, and a special pet passport. Furthermore, some dog breeds aren’t allowed at all, so it’s best to check beforehand. In addition, airlines have different policies. Play Airlines doesn’t allow pets, while IcelandAir does but only in the hold and not on stopover flights. Scandinavian Airlines and jetBlue allow pets in the cabin.

  • Does Copenhagen Airport (CPH) have facilities for passengers with reduced mobility?

    Yes, CPH has a variety of facilities and services to make travel easier for passengers with reduced mobility. This includes accessible bathrooms, a centrally located assistance center, wide walkways, and accessible taxis and buses on site. Furthermore, CPH provides lanyards for those with hidden disabilities such as autism or ADHD to make travel less stressful.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. Dulles Intl Airport to Copenhagen flights?

    Among airlines operating Washington, D.C. Dulles Intl Airport to Copenhagen flights:

    • Scandinavian Airlines: offers extra legroom
    • Air France: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Washington, D.C. Dulles Intl Airport to Copenhagen?

    Only Scandinavian Airlines operates flights between Washington, D.C. Dulles Intl Airport and Copenhagen.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Copenhagen?

    Flights from Washington, D.C. Dulles Intl Airport to Copenhagen usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Kastrup Copenhagen (CPH).

  • Which airlines include bags at no extra cost on Washington, D.C. Dulles Intl Airport to Copenhagen flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Scandinavian Airlines: a cabin bag and a checked bag in Economy Class
    • Air France: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Copenhagen?

    Four cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Copenhagen:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Washington, D.C. Dulles Intl Airport to Copenhagen?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $518 round-trip via Lisbon Humberto Delgado (LIS), compared to $794 for nonstop.

  • What is the standard checked-bag allowance on flights from Washington, D.C. Dulles Intl Airport to Copenhagen?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $100–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Washington, D.C. Dulles Intl Airport to Copenhagen?

    The Boeing 777 family is used most often on this route, operated mainly by United Airlines and Lufthansa. Other aircraft seen on the route include Airbus A350-900 variants.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Copenhagen pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Copenhagen most commonly connect through:

    • Reykjavik Keflavik Intl (KEF) - 50% of one-stop connections
    • Frankfurt am Main (FRA) - 10% of one-stop connections
    • Amsterdam Schiphol (AMS) - 8% of one-stop connections
    • Zurich (ZRH) - 8% of one-stop connections

    Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Copenhagen?

    Yes. Being flexible with your travel dates can save you up to 21% on the Washington, D.C. Dulles Intl Airport to Copenhagen route. Tuesday is the cheapest departure day at $648 round-trip on average, while Friday is the most expensive at $820, a difference of $172. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Washington, D.C. Dulles Intl Airport to Copenhagen spread across the day?

    Evening is the busiest departure period on Washington, D.C. Dulles Intl Airport to Copenhagen flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

  • What popular places can I visit in Copenhagen?

    Some of the most popular sights in Copenhagen are Tivoli, Københavns Hovedbanegård and Amager Square. These are among the most viewed places in Copenhagen on KAYAK.

  • What are the earliest and latest flights from Washington, D.C. Dulles Intl Airport to Copenhagen?

    These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Copenhagen:

    • Earliest: departs at 8:20 pm and lands at 4:17 am
    • Latest: departs at 9:30 pm and lands at 5:27 am.

    The flight takes about 7h 57m.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Copenhagen flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 11% above the route average of $746. Book 22 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Copenhagen?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Copenhagen takes 7h 57m, covering 4,060 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Copenhagen?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Copenhagen looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Copenhagen are currently lower than usual. Average one-way flight prices are about $358, which is 22% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Copenhagen?

    Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 11h 52m, compared with 12h 04m via Reykjavik Keflavik Intl (KEF) and 12h 06m via Brussels Bruxelles-National (BRU).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Copenhagen?

    Copenhagen is 6 hours ahead of Washington, D.C. Dulles Intl Airport (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Kastrup Copenhagen Airport (CPH)?

    Kastrup Copenhagen Airport (CPH) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:
    • Sixt
    • Alamo
    • Europcar
    • Budget
    • keddy by Europcar

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Copenhagen flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Copenhagen range from $595 to $919, with an average of $746 over the past 12 months. Anything below $595 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Copenhagen flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $648 - about $172 less than Friday (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 21% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Copenhagen trip for February. Fares historically average $528 round-trip in that month - typically $388 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Lisbon Humberto Delgado Airport (LIS) can be cheaper than flying direct. The cheapest layover option averages $518 round-trip on this route - about $276 less than direct flights (based on the last 12 months).
  • Checked bag policies on flights to Copenhagen Airport (CPH) from Washington Dulles Airport (IAD) depends on the airline and ticket class. However, Scandinavian Airlines, jetBlue, and IcelandAir allow one free checked bag to economy passengers. It may be up to 62 inches and 50 lbs. You may purchase additional bags as well.
  • Carry-on luggage for flights from Washington Dulles International Airport (IAD) to Kastrup Copenhagen Airport (CPH) generally includes a small personal item and a larger carry-on bag. The carry-on can be up to 53 linear inches and 22 lbs and must fit in the overhead compartment.
  • If your flight to Copenhagen Airport (CPH) from Washington Dulles Airport (IAD) isn’t direct, then layovers depend on the airline. Play Airlines, jetBlue, and IcelandAir all tend to stop over at Reykjavik Keflavik Airport (KEF), while Tap Air Portugal usually stops at Lisbon Humberto Delgado Airport (LIS).
  • Upon arriving at Kastrup Copenhagen Airport (CPH), you may take a train or metro from CPH to the central station in Downtown Copenhagen. Both leave frequently, run day and night, and make the trip in about 12 to 15 minutes.
  • Upgrading to a premium economy or business class ticket on your long-haul trip from Washington Dulles Airport (IAD) to Copenhagen Airport (CPH) gives you more legroom and perks. This includes priority boarding, enhanced service, and increased allowances for carry-on and checked baggage.

Prefer to fly direct from Washington Dulles Airport to Copenhagen?

 
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Kastrup Copenhagen Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Kastrup Copenhagen

Monday

Scandinavian Airlines

Scandinavian Airlines

Wednesday

Scandinavian Airlines

Scandinavian Airlines

Thursday

Scandinavian Airlines

Scandinavian Airlines

Friday

Scandinavian Airlines

Scandinavian Airlines

Saturday

Scandinavian Airlines

Scandinavian Airlines

Sunday

Scandinavian Airlines

Scandinavian Airlines

See more direct flights

Direct returns

Kastrup Copenhagen to Washington, D.C. Dulles Intl

Monday

Scandinavian Airlines

Scandinavian Airlines

Wednesday

Scandinavian Airlines

Scandinavian Airlines

Thursday

Scandinavian Airlines

Scandinavian Airlines

Friday

Scandinavian Airlines

Scandinavian Airlines

Saturday

Scandinavian Airlines

Scandinavian Airlines

Sunday

Scandinavian Airlines

Scandinavian Airlines

See more direct flights

More options for your flight from Dulles Intl to Copenhagen

Complete your trip to Copenhagen with a hotel stay or car rental