Cheap Flights from Seattle / Tacoma International to Copenhagen

Compare Seattle / Tacoma International to Copenhagen flight deals

Find the cheapest month or even day of the year to fly to Copenhagen

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Flight deals from Seattle / Tacoma International to Copenhagen

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Copenhagen Airport? If you want to travel next month, return fares start from $1,024. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Copenhagen

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

Direct flights from Seattle / Tacoma International to Copenhagen

Seattle / Tacoma International to Copenhagen: Alternative routes

Compare routes from Seattle / Tacoma International 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$824
Cheapest month to flyNovember
Average flight time9 hrs, 15 mins
Most popular airlineDelta
Average flights per week12

Finding cheap flights from Seattle / Tacoma International to Copenhagen: Frequently asked questions

The best price we found for a return flight from Seattle / Tacoma International to Copenhagen is $824. 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 / Tacoma International to Copenhagen.
Delta, Air France and Scandinavian Airlines fly direct from Seattle / Tacoma International to Copenhagen.
As of June 2026, there are 12 flights per week flying from Seattle / Tacoma International to Copenhagen.
The cheapest month to fly from Seattle / Tacoma International to Copenhagen is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Copenhagen Airport on Wednesday, 4 November 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.
Currently, Air Canada and Scandinavian Airlines offer the cheapest flight tickets to Copenhagen.

Flying from Seattle-Tacoma International Airport (SEA) to Copenhagen Airport (CPH): what you need to know

  • Copenhagen's timezone is UTC+1, making Copenhagen eight hours ahead of Seattle.

  • To ensure you catch your SEA to CPH flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • You can expect longer lines during popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a wise move.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Seattle-Tacoma International Airport to Copenhagen Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore your chosen city. Stopovers between SEA and CPH include:

    • Keflavik International Airport

    • Charles de Gaulle Airport

    • Amsterdam Airport Schiphol

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Copenhagen Airport (CPH)

  • Currently, $352 is the cheapest price we've seen for a one-way Seattle-Tacoma International Airport to Copenhagen Airport flight. The best price for a return plane ticket is $824. Keep in mind that fares could change due to demand at the time of booking.

  • Don't wait until the last moment. You're more likely to find cheap tickets from SEA to CPH if you book in advance. Airlines often have some great early bird discounts.

  • Getting cheap flights from Seattle-Tacoma International Airport to Copenhagen Airport is easy if you're flexible with your dates. Use the 'Whole month' search function to see the lowest prices across each month and snap up a great deal.

  • Save time looking for cheap flights from SEA to CPH by creating a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.

  • Tailor your flights with filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Seattle-Tacoma International Airport to Copenhagen Airport.

Handy information about Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport scores high marks for its on-time performance. 81.27% of flights that depart SEA arrive at their destination on time.

  • Central Seattle to Seattle-Tacoma International Airport is approximately 23 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • You can expect a journey time of about 55 minutes on public transport.

  • Searching for a convenient hotel near SEA? If you're catching an early flight from Seattle-Tacoma International Airport to Copenhagen Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at Copenhagen Airport (CPH)

  • If you have a late Seattle-Tacoma International Airport to Copenhagen Airport flight, few things beat the convenience of staying near the terminal. Grab your luggage from the carousel and then be tucked up in bed shortly after at one of these accommodation options near CPH:

  • Say yes to new adventures by picking up a Copenhagen Airport rental car. Grab a set of wheels from Keddy By Europcar, Europcar or Sixt and explore beyond Copenhagen's main sights.

  • Lock in the best possible rate by reserving your ride from Copenhagen Airport around four weeks in advance of your trip.

Getting from Copenhagen Airport (CPH) to central Copenhagen

  • Copenhagen Airport to central Copenhagen has a drive time of around 20 minutes. It's approximately 11 kilometres away.

  • It takes roughly 35 minutes if you're travelling on public transport.

When to fly to Copenhagen Airport (CPH)

  • June is the busiest month for flights from Seattle-Tacoma International Airport to Copenhagen Airport. For smaller crowds, head to Copenhagen in January.

  • Book your flight from Seattle-Tacoma International Airport to Copenhagen Airport for July if you'd like to explore Copenhagen during its warmest month. You can expect temperatures of between 13ºC and 23ºC.

  • February sees average temperatures of between -4ºC and 6ºC. Search for cheap tickets from SEA to CPH sometime then if you like cooler conditions.

Explore more of Denmark

  • Odense is just one of the many cities in Denmark waiting to be discovered once you've taken in the sights of Copenhagen. Around 145 kilometres away to the west, well-known attractions include Hermes (gud for handlende) vandskulptur, Det gamle vandtårn and Rose Garden.

  • Around 225 kilometres north-west of Copenhagen, Aalborg is another favourite stop in Denmark. Experience major highlights starting with Aalborg Historical Museum, Utzon Centre and Kunsten Museum of Modern Art Aalborg.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.