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

Monday, November 2nd, 2026

5 round-trip options

Returning
Tue, Nov 10, 2026•8 Day Trip
$660 USD
Google Flights
Returning
Thu, Nov 12, 2026•10 Day Trip
$660 USD
Google Flights
Returning
Sat, Nov 14, 2026•12 Day Trip
$672 USD
Google Flights
Returning
Sun, Nov 15, 2026•13 Day Trip
$672 USD
Google Flights
Returning
Mon, Nov 16, 2026•14 Day Trip
$672 USD
Google Flights