Copenhagen (CPH) to Seattle / Tacoma (SEA) flight deal in economy from $651

Delta Air LinesDLDelta Air Lines
Round Trip•Economy
DenmarkCPH

Copenhagen Airport, Kastrup Airport

Copenhagen, Denmark
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$872 USD
-25%$651 USD
Verified about 7 hours ago
Good Availability
45% of dates checked are available within 10% of the lowest price

Wednesday, December 9th, 2026

10 round-trip options

Returning
Mon, Dec 14, 2026•5 Day Trip
$657 USD
Google Flights
Returning
Tue, Dec 15, 2026•6 Day Trip
$766 USD
Google Flights
Returning
Wed, Dec 16, 2026•7 Day Trip
$1,062 USD
Google Flights
Returning
Thu, Dec 17, 2026•8 Day Trip
$1,129 USD
Google Flights
Returning
Fri, Dec 18, 2026•9 Day Trip
$1,313 USD
Google Flights
Returning
Sat, Dec 19, 2026•10 Day Trip
$1,247 USD
Google Flights
Returning
Sun, Dec 20, 2026•11 Day Trip
$1,197 USD
Google Flights
Returning
Mon, Dec 21, 2026•12 Day Trip
$1,117 USD
Google Flights
Returning
Tue, Dec 22, 2026•13 Day Trip
$1,014 USD
Google Flights
Returning
Wed, Dec 23, 2026•14 Day Trip
$778 USD
Google Flights