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

Tuesday, August 18th, 2026

5 round-trip options

Returning
Wed, Aug 26, 20268 Day Trip
$677 USD
Returning
Thu, Aug 27, 20269 Day Trip
$627 USD
Returning
Fri, Aug 28, 202610 Day Trip
$627 USD
Returning
Sat, Aug 29, 202611 Day Trip
$633 USD
Returning
Mon, Aug 31, 202613 Day Trip
$627 USD