Seattle / Tacoma (SEA) to Reykjavik (Keflavik) (KEF) flight deal in economy from $518

Tuesday, August 11th, 2026

5 round-trip options

Returning
Wed, Aug 19, 20268 Day Trip
$640 USD
Returning
Thu, Aug 20, 20269 Day Trip
$1,133 USD
Returning
Fri, Aug 21, 202610 Day Trip
$1,133 USD
Returning
Sat, Aug 22, 202611 Day Trip
$1,685 USD
Returning
Mon, Aug 24, 202613 Day Trip
$640 USD