Cheapest return flights from Seattle (SEA) to Copenhagen (CPH)

Cheapest month: January 2027, from $ 456. Book in one tap, or open a month for every date.

All destinations from Seattle (SEA)

One-wayReturn

  • October 2026

    13–30 Oct 17 nights
    $ 586 return
    Air Canada
    Price seen 10 Oct
    October dates

  • November 2026

    10–18 Nov 8 nights
    $ 458 return
    Air Canada
    Price seen 10 Oct
    November dates

  • January 2027

    22–29 Jan 2027 7 nights
    $ 456 return Cheapest month
    Air Canada
    Price seen 10 Oct
    January dates

  • July 2027

    16 Jul – 1 Aug 2027 16 nights
    $ 766 return
    Direct Scandinavian Airlines
    Price seen 10 Oct
    July dates
Powered by

Deals for one-way flights from Seattle to Copenhagen.

Book a cheap hotel in Copenhagen

Cheap car rent in Kastrup

Updated Oct 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.