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

Sunday, August 9th, 2026

5 round-trip options

Returning
Mon, Aug 17, 20268 Day Trip
$1,533 USD
Returning
Tue, Aug 18, 20269 Day Trip
$1,433 USD
Returning
Wed, Aug 19, 202610 Day Trip
$1,333 USD
Returning
Thu, Aug 20, 202611 Day Trip
$1,333 USD
Returning
Sat, Aug 22, 202613 Day Trip
$1,438 USD