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

Friday, December 18th, 2026

10 round-trip options

Returning
Wed, Dec 23, 2026•5 Day Trip
$1,009 USD
Google Flights
Returning
Thu, Dec 24, 2026•6 Day Trip
$911 USD
Google Flights
Returning
Fri, Dec 25, 2026•7 Day Trip
$963 USD
Google Flights
Returning
Sat, Dec 26, 2026•8 Day Trip
$1,020 USD
Google Flights
Returning
Sun, Dec 27, 2026•9 Day Trip
$888 USD
Google Flights
Returning
Mon, Dec 28, 2026•10 Day Trip
$900 USD
Google Flights
Returning
Tue, Dec 29, 2026•11 Day Trip
$900 USD
Google Flights
Returning
Wed, Dec 30, 2026•12 Day Trip
$958 USD
Google Flights
Returning
Thu, Dec 31, 2026•13 Day Trip
$975 USD
Google Flights
Returning
Fri, Jan 1, 2027•14 Day Trip
$1,116 USD
Google Flights