WAS - CPH

$207 Find Cheap Flights from Washington, D.C. to Copenhagen

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Copenhagen departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Copenhagen

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Copenhagen.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Copenhagen.
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Everything you should know

Cheapest round-trip
$422
Overall average: $513
Icelandair
Mon 4/13Mon 4/27
BWI - CPH • 1 stop
Cheapest non-stop
$482
Typical prices: $567-$748
Scandinavian Airlines
Mon 4/13Wed 5/6
IAD - CPH • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Dulles offers AeroTrain for quick terminal transfers.
Take the regional train from CPH for a 13-minute ride.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Icelandair
Cheapest • from $422 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
IAD
-
CPH
Cheapest
IAD
-
CPH
Most popular
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 8% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
October
Cheapest • 13% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Nonstop flights
6 days a week
There are direct flights from Washington, D.C. to Copenhagen 6 days a week: Mon, Wed, Thu, Fri, Sat, Sun.
Direct flights
Direct flights
Direct flights
Direct flights
Start a new search
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We hope you love your trip to Copenhagen!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Washington, D.C. to Copenhagen (WAS-CPH)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Copenhagen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Copenhagen

Mon, Apr 13 - Mon, Apr 27
Icelandair Logo
8:30 pm - 9:45 pm
BWI
-
CPH
19h 15m
1 stop
Icelandair Logo
2:00 pm - 7:25 pm
CPH
-
BWI
11h 25m
1 stop
$422Icelandair
Mon, Apr 13 - Mon, Apr 20
Icelandair Logo
8:30 pm - 12:55 pm
BWI
-
CPH
10h 25m
1 stop
Icelandair Logo
2:00 pm - 7:25 pm
CPH
-
BWI
11h 25m
1 stop
$426Icelandair
Tue, Mar 3 - Tue, Mar 10
Icelandair Logo
7:40 pm - 5:15 am
BWI
-
CPH
27h 35m
1 stop
Icelandair Logo
12:55 pm - 7:40 pm
CPH
-
BWI
11h 45m
1 stop
$428Icelandair
Mon, Apr 27 - Sat, May 2
Icelandair Logo
8:30 pm - 3:55 pm
BWI
-
CPH
13h 25m
1 stop
Icelandair Logo
2:00 pm - 7:25 pm
CPH
-
BWI
11h 25m
1 stop
$430Icelandair
Wed, Apr 15 - Wed, Apr 29
Scandinavian Airlines Logo
8:20 pm - 10:10 am
IAD
-
CPH
7h 50mnonstop
Scandinavian Airlines Logo
2:15 pm - 4:50 pm
CPH
-
IAD
8h 35mnonstop
$480Scandinavian Airlines
Mon, Apr 13 - Wed, May 6
Scandinavian Airlines Logo
8:20 pm - 10:10 am
IAD
-
CPH
7h 50mnonstop
Scandinavian Airlines Logo
2:15 pm - 4:50 pm
CPH
-
IAD
8h 35mnonstop
$482Scandinavian Airlines
Mon, Mar 30 - Tue, Apr 14
Virgin Atlantic Logo
11:00 am - 6:45 am
DCA
-
CPH
13h 45m
1 stop
Virgin Atlantic Logo
9:00 am - 10:41 pm
CPH
-
DCA
19h 41m
1 stop
$485Virgin Atlantic
Mon, Mar 30 - Tue, Apr 14
Air Canada Logo
9:40 am - 10:50 am
DCA
-
CPH
19h 10m
1 stop
Air Canada Logo
12:45 pm - 12:01 pm
CPH
-
DCA
29h 16m
2 stops
$495Air Canada
Sun, Mar 8 - Tue, Mar 10
Air Canada Logo
6:59 am - 12:25 pm
DCA
-
CPH
24h 26m
2 stops
Air Canada Logo
10:10 am - 8:55 am
CPH
-
DCA
27h 45m
2 stops
$502Air Canada
Mon, Mar 30 - Wed, Apr 1
United Airlines Logo
3:30 pm - 2:00 pm
DCA
-
CPH
16h 30m
2 stops
United Airlines Logo
12:45 pm - 7:53 pm
CPH
-
DCA
13h 08m
1 stop
$509United Airlines
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Copenhagen flights

Get data-powered insights and trends into flights from Washington, D.C. to Copenhagen to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. to Copenhagen departing in April.

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

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Washington, D.C. to Copenhagen costs $444 on the route between Washington, D.C. Dulles Intl Airport (IAD) and Copenhagen (CPH). It is also the most popular route.

What’s the cheapest day of the week to fly from Washington, D.C. to Copenhagen?

The average price of all round-trip flights from Washington, D.C. to Copenhagen clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Washington, D.C. to Copenhagen, look for departures on Mondays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Copenhagen, Friday is the cheapest day to fly and Saturday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Copenhagen, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. to Copenhagen is October, where tickets cost $531 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $754 and $701 respectively.

Can I save money by flying with a layover from Washington, D.C. to Copenhagen?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $589 on average.

How far in advance should I book a flight from Washington, D.C. to Copenhagen?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. to Copenhagen, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. to Copenhagen, you should book around 2 weeks before departure, which saves you about 8% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Expert advice

Expert advice for your flight from Washington, D.C. to Copenhagen

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
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.

Good to know

Low seasonFebruary
Cheapest flight$207
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Baltimore to Copenhagen

When to book flights from Washington, D.C. to Copenhagen

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Copenhagen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Copenhagen

  • What is the cheapest flight from Washington, D.C. to Copenhagen?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Copenhagen was $207 for a one-way ticket and $422 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Copenhagen?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Washington, D.C. and on arrival in Copenhagen.

  • Which airports will I be using when flying from Washington, D.C. to Copenhagen?

    There are 2 airports in Washington, D.C. (Washington, D.C. Reagan-National and Washington, D.C. Dulles Intl.) and only 1 airport in Copenhagen (Kastrup Copenhagen). The cheapest flights are generally found on the Baltimore/Washington Airport to Kastrup Copenhagen flight route.

  • Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Copenhagen?

    SWISS, United Airlines, Lufthansa, Delta, and KLM offer inflight Wi-Fi service on the Washington, D.C. to Copenhagen flight route.

  • Which aircraft models fly most regularly from Washington, D.C. to Copenhagen?

    The Boeing 777 is the aircraft model that flies most regularly on the Washington, D.C. to Copenhagen flight route.

  • Which airline alliances offer flights from Washington, D.C. to Copenhagen?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Copenhagen, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Washington, D.C. to Copenhagen?

    You can catch a nonstop flight from Washington, D.C. to Copenhagen on on Monday, Wednesday, Thursday, and Saturday.

  • Which is the best airline for flights from Washington, D.C. to Copenhagen, Delta or KLM?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Copenhagen are Delta and KLM. With an average price for the route of $755 and an overall rating of 7.9, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $752 and an overall rating of 7.7.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Copenhagen?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Copenhagen.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Copenhagen?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Copenhagen from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Copenhagen?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Copenhagen with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Copenhagen?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Copenhagen from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. to Copenhagen

  • Looking for a cheap flight? 25% of our users found flights on this route for $384 or less one-way and $521 or less round-trip.

Prefer to fly direct from Washington, D.C. to Copenhagen?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Washington, D.C. to Kastrup Copenhagen.
Find which airlines fly direct from Washington, D.C. to Kastrup Copenhagen Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. 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.

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

Reviews of the top 5 airlines serving from Washington, D.C. to Copenhagen

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Copenhagen. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to Copenhagen? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9279 reviews
8.1Crew
7.1Entertainment
7.7Boarding
7.3Comfort
6.6Food
Airline reviews

Wifi took a while to kick in and we had a maintenance issue that took over 40 mins at the gate in Washington before pulling back

6.0 Goodrob, Feb 2026
IAD - YYZ
Read more United Airlines reviews

Wifi took a while to kick in and we had a maintenance issue that took over 40 mins at the gate in Washington before pulling back

Very good. Because of the delays with my previous flight, I missed my connection, but I was able to book another flight through the United app easily.

Was happy we finally got upgraded in 1st class. The seat getting old. The cushiness need some improvement.

Ineffective communication with United resulted in lost baggage. Their Baggage Tracing counter at MUC was shut down from 11:00-14:15 on my arrival. Undertrained, underinformed staff had me Running all over MUC to find someone to help me to no avail. Staff was rude, unhelpful, and unable to effectively use the systems they did have operational. They refused to contact United in any way or provide any accommodation or other resources while I waited for my luggage. This has destroyed my downstream itinerary. If they had even the slightest visibility I may have been able to reschedule/plan, but again, their staff provided nothing, and did nothing more than their website, which doesn’t even work on a standard phone browser. Miserable failure at all levels that weren’t associated with the operation of the aircraft.

Sat next to a one year old. She crawled all over the place and made me laugh.

The Crew and the food was the worst I ever had in Business Class. First they told us there were no space for carry on. It was plenty of space over our 2 row seats, we had to ask to let us travel with it which was accepted. They were aware that we had to run for the connection due to the previous flight delay. Have us one hour waiting for more customers and not even offer a glass of water. Then started the service and they started to serve other passengers drinks in business and did not offer any drinks until they serve our pre ordered meal and I ask for something to drink. I had to wait until they finished to serve all passengers until Inget something. The crew was the worts I ever had for Business Class in my life.

Not great experience - we were super late boarding due to issues with aircraft. Then when we finally all got onboard and seated and they started taxiing out to the runway they just stopped then turned around and went back to the airport. Apparently the crew “ran out of time” to legally fly us. They mentioned that they were about 2 minutes away from taking off. I understand the rules and safety but kinda wonder why they would have bothered boarding us in the first place? Had to go all the way back and de plane and then wait in a HUGE line to get a hotel (this is somewhere around 2:30am) finally got to hotel by Uber (no shuttle after 20min so gave up) and they ended up putting us all back on the same aircraft at 10am next morning so got about 2.5 hours sleep. They did give us. $250 credit, but it was a São Paulo Brazil flight out of Dulles. The flight and everything was fine.

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

7 hours delayed due to operational issues on United’s end. Basically laziness.

Short flight but an "eager to help" crew made the journey more enjoyable!

I was unable to rebook a flight booked through cheap flights. Could not rebook, despite premium eco.

Fantastic. The only thing - out of my six luggage one was lost in Copenhagen, however it was delivered Home 3 Days later so all great..

in Austria they made me check in my carry on luggage, and it never arrived in JFK... I had medication there on ice that is useless now, I filed a report and they still cant licate my luggage? what kind of joke is this?

The crew was friendly, the flight was pleasant. Thank you for your service!

Our originating flight into Copenhagen was an hour delayed, causing us to miss our main flight from Copenhagen to the US. There had been snow and we needed to be de-iced, but they seemed very slow getting the flight ready, with no explanation. The delay caused us to be put in with thousands stuck at the airport with an all day wait to get rebooked on a flight 2 days out.

Flight was completely full January 9th? I problem i had the stewardess was bumping into me constantly walking by? very annoying.. on Austrian air I dint have this issue at all...

One of our bags was never put on the flight in Copenhagen. Now that we're home in the USA, my wife is still without most of her clothes and personal items as she returns to work this week. Hoping for a quick resolution, but there seems to be little chance of speaking with an actual person in the process.

really nothing ...uncomfortable seating, cramped ....no better than a US short hopper flight.. never again

Amazing! Everyone was so nice and the food was so good!!

Cut out the nickel and dime pricing for "seat selection" and baggage, To do this on an international flight is just mind boggling. Seriously, why treat customers this way??? Nobody wants these hidden extra fees and everybody hates them. Also plane was too warm and no air vent, and water dripped from the ceiling at one point,

The staff was kind and helpful. There was no food, and you needed to bring your own earphones to use the entertainment, which I didn’t know.

They wouldn’t check in my luggage even though I had one checked bag prepaid. So I took my bag to the gate and tried to check it in there and two employees scolded me for bringing a large bag to the gate. I told them I was trying to check it in and that it was prepaid, and they said they couldn’t guarantee that it would arrive at my destination but they finally let me drop it off when boarding the plane and pick it up right after exiting the plane. There was no food, and there was no entertainment.

Overall satisfied and would fly with them again. They could improve the check-in efficiency at BOS, we got backed up because it seemed there were passengers requiring much more time for check in.

The customer service was unbeatable from the wheelchair assist team to the flight attendants. The pilot also did an excellent job managing the turbulence.

Delays at check-in, seemed like they were short ground staff at the time and some passengers needed extra processing.

Problems checking in both on the laptop and on the app. No free seating available at check-in as advertised - must pay for EVERY seat between $23 and $75. No way to cancel seat choice. App menus and site menus are not responsive, and some items are impossible to find. Crew and mobile assistance are friendly and helpful.

Food - Non-Existent. You pay for everything. It is strictly Pay-to-Play!

Again, we paid $ 328.00 for specific seats are were assigned those seats.

If there was a disclaimer regarding food service or lack thereof, l missed it. If l had known l would have prepared better. Same with transferring at Reykjavik. No information about disembarking via stairs into rain, slush and puddles deep enough to swallow a foot. After being treated to haute cuisine restaurants and warm inviting environment during the flight, the airport is, let’s be kind, disappointing. Plane was comfortable, Airbus, staff were welcoming enough. I would likely try the route again. Maybe have a night and day in Iceland. Maybe not.

Iceland air transfer was bad. They lost my luggage and I just received it 11/1

Excellent experience in every way, from ground crew helpfulness, boarding experience, inflight service all the way to modern equipment. My new favorite airline. I wish I could fly with them more often.

For a no frills flight this was surprising comfortable. The crew were helpful and nice. The flight was smooth and there were no delays or issues which I haven't had on a flight in a long time. I would definitely fly with them again.

The flight was canceled by play less than 24 hours prior to the trip, and I was unable to re-book. Have not received a refund for the trip despite filling out the appropriate form.

Was was cancelled less than 24 hours prior to my scheduled departure by PLAY. Despite my attempts to rebook my travel, I encountered significant cost increases that rendered this option unfeasible. In accordance with EC Regulation 261/2004, airlines are required to issue a full refund for cancelled flights within seven days of the scheduled departure if a refund is requested instead of rebooking on another flight. It has been three weeks without a refund or an answer

Have not recieved full refund for my flight, which was cancelled less than 24 hours prior to my scheduled departure by PLAY. Despite my attempts to rebook my travel, I encountered significant cost increases that rendered this option unfeasible. In accordance with EC Regulation 261/2004, airlines are required to issue a full refund for cancelled flights within seven days of the scheduled departure if a refund is requested instead of rebooking on another flight. This request was completed three weeks ago an answer or refund.

It would have been better to have USB charging ports available on the longer haul Flight that one of 2 hours

Was very good Staff was great. No tv monitors tho. So long flights make it longer

The worst. No free beverages. No entertainment on an overseas flight. Not enough space. Never again.

Play is affordable! Only way we fly from the states to Europe. Left late but arrived on time

have screens on backs of chairs...offer free snacks and water

Excellent service; they helped me reschedule so I can fly in an earlier flight

I had a good comfortable seat. There was nearly an hour delay. There was an accident with the champagne, but I was well compensated. These things happen sometimes.

Service and food were excellent. Incredibly friendly and competent staff. Flight was delayed over and hour and I had to run between terminals to get my connecting flight.

Missed it by a couple minutes and couldn’t find an alternative flight so had to spend the night in DC and after much shuffling from 1 airline to another managed to get a United to Frankfurt.

There were only 2 toilets and one of them did not work in business class. We are not allowed to cross classes so had to wait in line to use the toilets!! The entertainment touch display was finicky and did not work all the time.

We missed our flight. There was not enough time built into the layover to get through immigration, customs, bagclaim, bag rechecking, and the long trip to another terminal and gate. Kayak really screwed up. We took the bus up to Wisconsin and then were picked up in Brookfield by private car. It was lucky we didnt miss the last bus out.

I tried both on line and by calling the Customer Service line to arrange for a special meal as i have food intolerances. I was under the impression from your service representative that I was successful. I was not. I cannot eat spicy foods and get very ill if i eat bell peppers. I could not eat either menu choice and no special meal was actually ordered. ( your representative tried to order it for a flight that did not have meal service!!! - found this out later). Your wonderful cabin crew managed to put together a fruit, salad, roll and cheese tray for me so I had something to eat. WHY WOULD YOU SERVE SPICY FOOD, WITH NO MILDER OPTION,ON AN INTERNATIONAL FLIGHT???

Crew was professional and great, flight was clean. However food was pathetic. I ordered a Hindu meal assuming no meat but they served chicken. Need to be very specific- Hindu meal should be categorize as Vegetarian - no meat or egg. Or it should be specific that we are serving meat.

Late flight Delays Poor service Poor staff Worst airline ever

Ground staff and cabin crew were excellent. Flight was perfectly on time. Zero issues.

Everything you need to know for your flight from Washington, D.C. to Copenhagen

Information on your arrival and departure airports