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

Saturday, August 8th, 2026

5 round-trip options

Returning
Sun, Aug 16, 20268 Day Trip
$2,131 USD
Returning
Mon, Aug 17, 20269 Day Trip
$1,579 USD
Returning
Tue, Aug 18, 202610 Day Trip
$1,480 USD
Returning
Wed, Aug 19, 202611 Day Trip
$1,379 USD
Returning
Fri, Aug 21, 202613 Day Trip
$1,379 USD