Reykjavik (Keflavik) (KEF) to Seattle / Tacoma (SEA) flight deal in economy from $431

IcelandairFIIcelandair
Round Trip•Economy
IcelandKEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$653 USD
-34%$431 USD
Verified 29 minutes ago
Limited Availability
18% of dates checked are available within 10% of the lowest price

Monday, June 22nd, 2026

10 round-trip options

Returning
Sat, Jun 27, 2026•5 Day Trip
$701 USD
Google Flights
Returning
Sun, Jun 28, 2026•6 Day Trip
$656 USD
Google Flights
Returning
Mon, Jun 29, 2026•7 Day Trip
$644 USD
Google Flights
Returning
Tue, Jun 30, 2026•8 Day Trip
$656 USD
Google Flights
Returning
Wed, Jul 1, 2026•9 Day Trip
$794 USD
Google Flights
Returning
Thu, Jul 2, 2026•10 Day Trip
$701 USD
Google Flights
Returning
Fri, Jul 3, 2026•11 Day Trip
$622 USD
Google Flights
Returning
Sat, Jul 4, 2026•12 Day Trip
$622 USD
Google Flights
Returning
Sun, Jul 5, 2026•13 Day Trip
$656 USD
Google Flights
Returning
Mon, Jul 6, 2026•14 Day Trip
$644 USD
Google Flights