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

Saturday, November 28th, 2026

5 round-trip options

Returning
Sun, Dec 6, 2026•8 Day Trip
$705 USD
Google Flights
Returning
Tue, Dec 8, 2026•10 Day Trip
$705 USD
Google Flights
Returning
Thu, Dec 10, 2026•12 Day Trip
$705 USD
Google Flights
Returning
Fri, Dec 11, 2026•13 Day Trip
$705 USD
Google Flights
Returning
Sat, Dec 12, 2026•14 Day Trip
$727 USD
Google Flights