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 6 hours ago
Good Availability
45% of dates checked are available within 10% of the lowest price

Sunday, December 20th, 2026

10 round-trip options

Returning
Fri, Dec 25, 2026•5 Day Trip
$1,307 USD
Google Flights
Returning
Sat, Dec 26, 2026•6 Day Trip
$1,011 USD
Google Flights
Returning
Sun, Dec 27, 2026•7 Day Trip
$836 USD
Google Flights
Returning
Mon, Dec 28, 2026•8 Day Trip
$848 USD
Google Flights
Returning
Tue, Dec 29, 2026•9 Day Trip
$855 USD
Google Flights
Returning
Wed, Dec 30, 2026•10 Day Trip
$963 USD
Google Flights
Returning
Thu, Dec 31, 2026•11 Day Trip
$966 USD
Google Flights
Returning
Fri, Jan 1, 2027•12 Day Trip
$1,085 USD
Google Flights
Returning
Sat, Jan 2, 2027•13 Day Trip
$1,220 USD
Google Flights
Returning
Sun, Jan 3, 2027•14 Day Trip
$954 USD
Google Flights