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

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      Travellers and cabin class, 1 Adult, Economy
      Delta
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      Scandinavian Airlines

      Compare Seattle / Tacoma International to Copenhagen flight deals

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

      Book the best Copenhagen fare with no extra fees

      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 $634. Find the lowest prices on one-way and return tickets right here.
      Copenhagen.$631 per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with Scandinavian Airlines.Outbound direct flight with Scandinavian Airlines departs from Seattle / Tacoma International on Tue, 29 Sep, arriving in Copenhagen.Inbound direct flight with Scandinavian Airlines departs from Copenhagen on Tue, 6 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $631, select.
      Copenhagen.$632 per passenger.Departing Sat, 9 Jan, returning Sat, 23 Jan.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat, 9 Jan, arriving in Copenhagen.Inbound indirect flight with Icelandair, departs from Copenhagen on Sat, 23 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $632, select.
      Copenhagen.$633 per passenger.Departing Thu, 11 Feb, returning Sat, 20 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Thu, 11 Feb, arriving in Copenhagen.Inbound indirect flight with Icelandair, departs from Copenhagen on Sat, 20 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $633, select.
      Copenhagen.$634 per passenger.Departing Mon, 19 Oct, returning Mon, 26 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 19 Oct, arriving in Copenhagen.Inbound indirect flight with Icelandair, departs from Copenhagen on Mon, 26 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $634, select.
      Copenhagen.$678 per passenger.Departing Thu, 12 Nov, returning Sat, 21 Nov.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 12 Nov, arriving in Copenhagen.Inbound indirect flight with United, departs from Copenhagen on Sat, 21 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $678, select.
      Copenhagen.$680 per passenger.Departing Tue, 3 Nov, returning Sat, 20 Feb.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 3 Nov, arriving in Copenhagen.Inbound indirect flight with United, departs from Copenhagen on Sat, 20 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $680, select.
      Copenhagen.$681 per passenger.Departing Fri, 5 Mar, returning Sat, 20 Mar.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Fri, 5 Mar, arriving in Copenhagen.Inbound indirect flight with United, departs from Copenhagen on Sat, 20 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $681, select.
      Copenhagen.$692 per passenger.Departing Mon, 14 Dec, returning Thu, 24 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 14 Dec, arriving in Copenhagen.Inbound indirect flight with Icelandair, departs from Copenhagen on Thu, 24 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $692, select.
      Copenhagen.$694 per passenger.Departing Fri, 15 Jan, returning Thu, 13 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Fri, 15 Jan, arriving in Copenhagen.Inbound indirect flight with Icelandair, departs from Copenhagen on Thu, 13 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $694, select.
      Copenhagen.$695 per passenger.Departing Sun, 27 Dec, returning Sat, 20 Feb.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Sun, 27 Dec, arriving in Copenhagen.Inbound indirect flight with United, departs from Copenhagen on Sat, 20 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $695, select.
      Copenhagen.$695 per passenger.Departing Thu, 29 Oct, returning Sun, 1 Nov.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 29 Oct, arriving in Copenhagen.Inbound indirect flight with United, departs from Copenhagen on Sun, 1 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $695, select.
      Copenhagen.$699 per passenger.Departing Tue, 6 Oct, returning Sun, 11 Oct.Return flight with Scandinavian Airlines.Outbound direct flight with Scandinavian Airlines departs from Seattle / Tacoma International on Tue, 6 Oct, arriving in Copenhagen.Inbound direct flight with Scandinavian Airlines departs from Copenhagen on Sun, 11 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $699, select.
      Copenhagen.$710 per passenger.Departing Thu, 26 Nov, returning Thu, 10 Dec.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Thu, 26 Nov, arriving in Copenhagen.Inbound indirect flight with United, departs from Copenhagen on Thu, 10 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $710, select.
      Copenhagen.$718 per passenger.Departing Tue, 27 Apr, returning Sun, 9 May.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 27 Apr, arriving in Copenhagen.Inbound indirect flight with United, departs from Copenhagen on Sun, 9 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $718, select.
      Copenhagen.$729 per passenger.Departing Fri, 12 Feb, returning Tue, 23 Mar.Return flight with United and Lufthansa.Outbound indirect flight with United, departs from Seattle / Tacoma International on Fri, 12 Feb, arriving in Copenhagen.Inbound indirect flight with Lufthansa, departs from Copenhagen on Tue, 23 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $729, select.
      Copenhagen.$734 per passenger.Departing Wed, 7 Apr, returning Wed, 14 Apr.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Wed, 7 Apr, arriving in Copenhagen.Inbound indirect flight with Icelandair, departs from Copenhagen on Wed, 14 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $734, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Seattle / Tacoma International to Copenhagen found in the last 4 days, and are subject to change and availability.

      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 January.
      Sep
      from $843
      Oct
      from $634
      Nov
      from $678
      Dec
      from $692
      Jan
      from $632
      Feb
      from $633
      Mar
      from $681
      Apr
      from $734
      May
      from $742
      Jun
      from $833
      Jul
      from $877
      Aug
      from $1,002

      Direct flights from Seattle / Tacoma International to Copenhagen

      Air France
      Delta
      Scandinavian Airlines

      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.

      Copenhagen

      9km from central Copenhagen
      ClosestCheapest
      from $631
      Search flights

      Malmo Sturup

      53km from central Copenhagen
      Search flights

      Angelholm Helsingborg

      71km from central Copenhagen
      Search flights

      Seattle to Copenhagen: Flight information

      The things to know before you go.
      Cheapest flight found$631
      Cheapest month to flySeptember
      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 $631. 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 September 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 September.
      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 Tuesday, 29 September 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, Scandinavian Airlines offers the cheapest flight tickets to Copenhagen.

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

      • The average length of a direct flight from Seattle / Tacoma International Airport to Copenhagen Airport is 9 hours 15 minutes.

      • Copenhagen is nine hours ahead of Seattle and follows the UTC+1 timezone.

      • Leave plenty of time to make your SEA to CPH flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

      • Be prepared for longer lines during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

      • Scandinavian Airlines is your gateway to exploring Copenhagen (and maybe even some other great corners of Denmark!). Browse the direct flights from Seattle / Tacoma International Airport to Copenhagen Airport offered by this airline.

      • The airline most travellers fly with on this route is Scandinavian Airlines.

      • Scandinavian Airlines is the most punctual carrier offering SEA to CPH flights, with 75.0% of its services arriving as scheduled.

      • If you want to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from Seattle / Tacoma International Airport to Copenhagen Airport. These are the most popular stopovers between SEA and CPH:

        • London Heathrow Airport

        • Amsterdam Schiphol Airport

        • Paris Charles de Gaulle Airport

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

      • $286 is the lowest price for a one-way Seattle / Tacoma International Airport to Copenhagen Airport flight. Return flights start from $631. These fares may change based on demand and availability.

      • To get cheap tickets from SEA to CPH, reserve your trip six months before your departure date.

      • November is the cheapest month for flights from Seattle / Tacoma International Airport to Copenhagen Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.

      • Never miss a deal on cheap flights from SEA to CPH by setting up a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

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

      Handy information about Seattle / Tacoma International Airport (SEA)

      • Seattle / Tacoma International Airport has an excellent on-time record, making delays less likely. Departures from SEA touch down on schedule 80% of the time.

      • Seattle / Tacoma International Airport is about 23 kilometres from central Seattle. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 25 minutes or so to get there, depending on the traffic.

      • You can expect a journey time of about 35 minutes on public transport.

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

      Arriving at Copenhagen Airport (CPH)

      When to fly to Copenhagen Airport (CPH)

      • September is the most popular month for flights from Seattle / Tacoma International Airport to Copenhagen Airport. To avoid the crowds, go to Copenhagen in March.

      • When reserving your flight from Seattle / Tacoma International Airport to Copenhagen Airport, think about the kind of weather you like. July is the warmest month in Copenhagen, with the temperature ranging from 13ºC (55ºF) to 23ºC (73ºF).

      • February has average temperatures of between -4ºC (25ºF) and 6ºC (43ºF). Look for cheap tickets from SEA to CPH sometime then if you like cooler conditions.

      Explore more of Denmark

      • You've done Copenhagen, now it's time to discover other parts of Denmark. Journey around 145 kilometres west to Odense to check off its popular sights. From H. C. Andersens House to H.C. Andersen Museum and Hans Christian Andersen's Childhood Home, there's plenty to keep you busy.

      • Around 225 kilometres north-west of Copenhagen, Aalborg is another essential stop in Denmark. Experience the best of this destination with a visit to Kunsten Museum of Modern Art Aalborg, Klosterkirken and Aalborg Historical Museum.

      Plan smart, explore more

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