Seattle / Tacoma (SEA) to Copenhagen (CPH) cheap flight deal from $425 USD in economy class

SKScandinavian Airlines

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

CPH

Copenhagen Airport, Kastrup Airport

Copenhagen, Denmark

$689 USD

-38%$425 USD

Verified Sep 20, 2025 at 4:32 PM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$734 30$619 1$668 2$619 3$599 4$559 5$598 6$509 7$509 8$459 9$509 10$528 11$509 12$478 13$459 14$459 15$459 16$509 17$509 18$559 19$509 20$489 21$489 22$489 23$539 24$539 25$539 26$559 27$489 28$489 29$489 30$539 31$609 1 2

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Saturday, October 4th, 2025

10 round-trip options

Returning

Thu, Oct 9, 2025•5 Day Trip

$754 USD

Google Flights

Returning

Fri, Oct 10, 2025•6 Day Trip

$679 USD

Google Flights

Returning

Sat, Oct 11, 2025•7 Day Trip

$1,789 USD

Google Flights

Returning

Sun, Oct 12, 2025•8 Day Trip

$744 USD

Google Flights

Returning

Mon, Oct 13, 2025•9 Day Trip

$886 USD

Google Flights

Returning

Tue, Oct 14, 2025•10 Day Trip

$846 USD

Google Flights

Returning

Wed, Oct 15, 2025•11 Day Trip

$579 USD

Google Flights

Returning

Thu, Oct 16, 2025•12 Day Trip

$846 USD

Google Flights

Returning

Fri, Oct 17, 2025•13 Day Trip

$559 USD

Google Flights

Returning

Sat, Oct 18, 2025•14 Day Trip

$804 USD

Google Flights