Cheap Flights from Copenhagen (CPH) to Seattle (BFI)

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Seattle, WA (BFI-Boeing Field)

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Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $614
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $614

Frequently asked questions

How much does a flight from Kastrup Airport (CPH) to Boeing Field Airport (BFI) cost?
Secure a cheap one-way flight or cheap return flight from Kastrup Airport (CPH) to Boeing Field Airport (BFI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kastrup Airport (CPH) to Boeing Field Airport (BFI)?
The cheapest month to fly from CPH to BFI is , when demand is low. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Kastrup Airport (CPH) to Boeing Field Airport (BFI)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CPH to BFI flight.
How many flights per day from Kastrup Airport (CPH) to Boeing Field Airport (BFI)?
There aren't any daily direct flights departing from Kastrup Airport (CPH) to Boeing Field Airport (BFI). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from CPH to BFI?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kastrup Airport (CPH) to Boeing Field Airport (BFI)?
To reach Boeing Field Airport (BFI) on time, opt for a flight that leaves Kastrup Airport (CPH) before 3 PM. The likelihood 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.
Is it cheaper to buy a plane ticket from Kastrup Airport (CPH) to Boeing Field Airport (BFI) last-minute?
Last-minute bookings from CPH to BFI are generally more expensive. For the lowest prices, start searching for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before you leave.
Is it cheaper to book a CPH to BFI flight and hotel package?
You can save money by securing a CPH to BFI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your ideal accommodations and flights, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Kastrup Airport (CPH) to Boeing Field Airport (BFI)?
Generally, it's possible to reschedule or cancel your CPH to BFI flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Kastrup
Destination airport
Boeing Field
Distance
4846 mi

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Copenhagen to Seattle Flights

The cheapest times to fly from Copenhagen to Seattle

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 Seattle are during the month of . You can find some of the cheapest flights from Copenhagen to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to Seattle

Sunday is one of the best days to book for cheap flights from Copenhagen to Seattle: 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 Seattle

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 Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Seattle 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 Seattle 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.

 

Copenhagen to Seattle Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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