Cheap Flights from Seattle to Copenhagen

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Flight deals from Seattle to Copenhagen Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Copenhagen Airport? If you want to travel next month, return fares start from $740. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Copenhagen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Copenhagen flights are currently cheapest in April.

Direct flights from Seattle to Copenhagen

Seattle to Copenhagen: Alternative routes

Compare routes from Seattle to Copenhagen below. You may find an airport to fly into that's cheaper, faster, or easier than Copenhagen.

Seattle to Copenhagen: Flight information

The things to know before you go.
Cheapest flight found$740
Cheapest month to flyApril
Average flight time9 hrs, 15 mins
Most popular airlineDelta
Average flights per week12

Finding cheap flights from Seattle to Copenhagen: Frequently asked questions

The best price we found for a return flight from Seattle to Copenhagen is $740. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
9 hours and 15 minutes is the average flight time from Seattle to Copenhagen.
Delta, Air France and Scandinavian Airlines fly direct from Seattle to Copenhagen.
As of March 2026, there are 12 flights per week flying from Seattle to Copenhagen.
The cheapest month to fly from Seattle to Copenhagen is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Copenhagen Airport on Sunday, 12 April 2026.
Yes – the average flight time is 9 hours and 15 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Copenhagen but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Copenhagen is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Seattle to Copenhagen Airport (CPH): What you need to know

  • Planning your holiday starts with working out where you'll leave from in Seattle. Seattle-Tacoma International Airport (SEA) is the city's main airport, so check out your options for booking a flight from Seattle to Copenhagen Airport (CPH) departing from here.

  • 9 hours 15 minutes is the average duration of a direct Seattle to Copenhagen Airport flight.

  • Copenhagen is nine hours ahead of Seattle. Copenhagen Airport is located in Copenhagen, which operates on the UTC+1 timezone.

  • Take your pick of 2 direct services a week between Seattle-Tacoma International Airport (SEA) and Copenhagen Airport (CPH). This is the most popular route, with SAS offering a 4pm departure from SEA to CPH.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to board your flight from Seattle to CPH.

  • Popular months like July or holiday periods such as Thanksgiving and Christmas/New Year will mean bigger waits at check-in and security. Be on the safe side and get to the airport even earlier. Arriving two hours before domestic flights and up four hours ahead of an international flight is wise.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is a convenient option for travelling directly to your destination. Nonstop flights from Seattle to Copenhagen Airport (CPH) leave from this terminal.

  • Book your direct flight from Seattle to Copenhagen Airport with SAS. This popular airline operates departures from SEA.

  • The majority of travellers prefer to book seats with Scandinavian Airlines between SEA and CPH.

  • Scandinavian Airlines is the most punctual carrier on this route, with 75.0% of its services landing on schedule.

  • We make it a piece of cake to find cheap flights from Seattle to CPH with a stopover. To explore your options leaving from Seattle-Tacoma International Airport (SEA), deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Some popular stopovers between SEA and CPH include:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Paris Charles de Gaulle Airport (CDG)

  • Located around 23 kilometres from the centre of Seattle, SEA can be reached in about 25 minutes by car (depending on traffic). The journey by public transport takes roughly 35 minutes.

  • Want an easy start to your journey? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Copenhagen Airport or just don't want to be rushed, these hotels are just what you're after:

  • Seattle-Tacoma International Airport scores high marks for on-time performance. 80% of flights that take off from SEA arrive at their destination without delay.

Seattle Paine Field International Airport (PAE)

  • You can reach PAE from the centre of Seattle in about 40 minutes by car, depending on traffic conditions. The ride on public transport takes roughly 1 hour 30 minutes to travel the 40 kilometres or so.

  • Taking off bright and early? Think about staying at one of these hotels near Seattle Paine Field International Airport the day before your Seattle to CPH flight:

  • Most flights that leave Seattle Paine Field International Airport get to their destination on schedule. It boasts a strong on-time performance rate of 80%.

About Copenhagen Airport (CPH)

  • If you're coming in on a late flight from Seattle to Copenhagen Airport, few things top the convenience of staying close to the terminal. Pick up your luggage at baggage claim and then be showered and snoozing not long after at one of these options near CPH:

  • Lock in the best possible rate by reserving your vehicle around four weeks before your Seattle to Copenhagen Airport flight.

Getting from Copenhagen Airport (CPH) to central Copenhagen

  • Copenhagen Airport to central Copenhagen is about 6 kilometres. If you're getting a taxi or renting a car, do a little research to make your trip as smooth as possible. Journey times may vary based on traffic and the time of day.

  • If you're using public transport, expect a journey time of about 15 minutes.

How to find the cheapest flights from Seattle to Copenhagen Airport (CPH)

  • The lowest price we've found for a one-way ticket from Seattle to Copenhagen Airport is $305. For a return flight on this route, the best price is $740. Depending on the availability and when you book, these fares can change.

  • To snap up cheap flights from Seattle to CPH, book your plane ticket six months before your departure date.

  • The best month for finding cheap Seattle to Copenhagen Airport tickets is November. Use the 'Whole month' tool to compare flight prices, then select the dates that offer the lowest fares.

  • Snapping up a cheap plane ticket from Seattle to CPH couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as there's a price drop.

  • Nail down a great price on a flight from Seattle to Copenhagen Airport with the help of the filters. Pick your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

The best time to fly from Seattle to Copenhagen Airport (CPH)

  • It's time to figure out when to book your flight from Seattle to Copenhagen Airport (CPH). September is the busiest month to travel to Copenhagen. If crowds aren't your thing, go in January.

  • Before locking in your Seattle to CPH plane ticket, consider what kind of weather works for you. July is the warmest month in Copenhagen, with temperatures ranging from 13ºC to 23ºC.

  • February has temperatures of between -4ºC and 6ºC. Look for cheap tickets from Seattle to Copenhagen Airport around that time if you like travelling in cooler conditions.

More about Copenhagen

  • Once you've booked your flight from Seattle to Copenhagen Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring Copenhagen:

  • There are so many things to explore in this city, it can be tricky to know where to begin. Kopenhagen, The Little Mermaid and Rosenborg Castle are top sights which should be on any well-planned Copenhagen itinerary.

Explore more of Denmark

  • You've visited Copenhagen, now it's time to explore other corners of Denmark. Journey around 145 kilometres west to Odense to check off its must-visit sights. From H. C. Andersens House to H.C. Andersen Museum and Hans Christian Andersen's Childhood Home, you'll have a full itinerary ahead.

  • Aalborg is another well-known destination in Denmark and is around 225 kilometres northwest of Copenhagen. No journey is complete without a visit to Kunsten Museum of Modern Art Aalborg, Klosterkirken and Aalborg Historical Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.