$322 Cheap Flights from Copenhagen (CPH) to Washington (IAD)

View $322 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Copenhagen to Washington (CPH-IAD)

Prices were available within the past 7 days and start at $322 for one-way flights and $471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Nov 1 - Sun, Nov 2
CPH
Copenhagen
IAD
Washington
$471 Roundtrip, found 1 day ago
$471
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Nov 1 from Copenhagen to Washington, returning Sun, Nov 2, priced at $471 found 1 day ago
Icelandair
Thu, Oct 2 - Sun, Oct 5
CPH
Copenhagen
IAD
Washington
$472 Roundtrip, found 6 days ago
$472
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Oct 2 from Copenhagen to Washington, returning Sun, Oct 5, priced at $472 found 6 days ago
Icelandair
Fri, Oct 31 - Wed, Nov 5
CPH
Copenhagen
IAD
Washington
$474 Roundtrip, found 7 hours ago
$474
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Fri, Oct 31 from Copenhagen to Washington, returning Wed, Nov 5, priced at $474 found 7 hours ago
Lufthansa
Sat, Nov 22 - Sun, Nov 23
CPH
Copenhagen
IAD
Washington
$475 Roundtrip, found 2 days ago
$475
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Nov 22 from Copenhagen to Washington, returning Sun, Nov 23, priced at $475 found 2 days ago
TAP Portugal
Fri, Nov 21 - Sat, Dec 6
CPH
Copenhagen
IAD
Washington
$480 Roundtrip, found 6 days ago
$480
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Fri, Nov 21 from Copenhagen to Washington, returning Sat, Dec 6, priced at $480 found 6 days ago
Air Canada
Sat, Nov 22 - Sun, Nov 23
CPH
Copenhagen
IAD
Washington
$489 Roundtrip, found 2 days ago
$489
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Nov 22 from Copenhagen to Washington, returning Sun, Nov 23, priced at $489 found 2 days ago
American Airlines
Tue, Oct 14 - Thu, Oct 30
CPH
Copenhagen
IAD
Washington
$493 Roundtrip, found 3 days ago
$493
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 14 from Copenhagen to Washington, returning Thu, Oct 30, priced at $493 found 3 days ago
United
Sat, Nov 22 - Sun, Nov 23
CPH
Copenhagen
IAD
Washington
$502 Roundtrip, found 2 days ago
$502
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 22 from Copenhagen to Washington, returning Sun, Nov 23, priced at $502 found 2 days ago
British Airways
Mon, Jan 12 - Mon, Feb 2
CPH
Copenhagen
IAD
Washington
$502 Roundtrip, found 2 days ago
$502
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Jan 12 from Copenhagen to Washington, returning Mon, Feb 2, priced at $502 found 2 days ago
Swiss International Air Lines
Tue, Nov 25 - Sat, Nov 29
CPH
Copenhagen
IAD
Washington
$513 Roundtrip, found 6 days ago
$513
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Tue, Nov 25 from Copenhagen to Washington, returning Sat, Nov 29, priced at $513 found 6 days ago

Find the cheapest month to fly from Copenhagen (CPH) to Washington (IAD)

March is typically the cheapest month to fly

From $286 - $685 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $564
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $564
Flights from Copenhagen (CPH) to Washington (IAD)
Origin airport
Kastrup
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$471
Distance
4061 mi
Average flight time
8 hours 29 mins

Copenhagen to Washington Flights

The cheapest times to fly from Copenhagen to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Copenhagen to Washington are during the month of November. You can find some of the cheapest flights from Copenhagen to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to Washington

Sunday is one of the best days to book for cheap flights from Copenhagen to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Copenhagen to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Copenhagen to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $322 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Copenhagen to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Copenhagen to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $322 or cheap return flight from $471 from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
November is the most affordable month to fly from CPH to IAD. Traveling during quieter months is often the key to finding better deals on flights.
Which airlines fly direct from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
Board a direct flight with SAS and travel straight from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD).
What is the cheapest airline that flies from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from CPH to IAD. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
On average, Kastrup Airport (CPH) has 6 nonstop flights to Washington Dulles Intl. Airport (IAD) each week. For more choice, use Expedia's filter tool to discover flights with a layover. Squeeze in a visit to another destination or just break up your journey.
What are the most popular departure times for flights from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
The 12 PM departures from CPH to IAD are the busiest. Prices can be higher for these popular slots. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from CPH to IAD?
Jet off on a Monday if you're looking for the biggest selection of flights from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
Hop on the earliest flight at around 12:25PM UTC+1, leaving from Kastrup Airport (CPH). You'll be flying for approximately 9h 15m, arriving at Washington Dulles Intl. Airport (IAD) at approximately 3:40PM UTC-5.
How long does it take to fly from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
The average flight duration from CPH to IAD is 9 hours and 15 minutes, covering a distance of 4,100 mi.
What is the best time to fly from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
To reach Washington Dulles Intl. Airport (IAD) on schedule, opt for a flight that leaves from Kastrup Airport (CPH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Kastrup Airport (CPH)?
Washington Dulles Intl. Airport (IAD) is the only airport in Washington with direct flights from Kastrup Airport (CPH). Explore your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from CPH to IAD are typically more expensive. For the cheapest rates, start searching for flights well ahead of time. That said, if you're flexible with your travel plans, you may land a cheap ticket right before your journey.
Is it cheaper to book a CPH to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a CPH to IAD flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Kastrup Airport (CPH) to Washington Dulles Intl. Airport (IAD)?
If you booked your CPH to IAD flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.