Reykjavik (Keflavik) (KEF) to Seattle / Tacoma (SEA) flight deal in economy from $660

IcelandairFIIcelandair
Round Trip•Economy
IcelandKEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$710 USD
-7%$660 USD
Verified 13 days ago
Great Availability
80% of dates checked are available within 10% of the lowest price

Sunday, October 11th, 2026

5 round-trip options

Returning
Fri, Oct 16, 2026•5 Day Trip
$660 USD
Google Flights
Returning
Sat, Oct 17, 2026•6 Day Trip
$660 USD
Google Flights
Returning
Sun, Oct 18, 2026•7 Day Trip
$660 USD
Google Flights
Returning
Tue, Oct 20, 2026•9 Day Trip
$660 USD
Google Flights
Returning
Sun, Oct 25, 2026•14 Day Trip
$660 USD
Google Flights