Seattle / Tacoma (SEA) to Reykjavik (Keflavik) (KEF) flight deal in economy from $519

Monday, August 10th, 2026

7 round-trip options

Returning
Sat, Aug 15, 20265 Day Trip
$1,665 USD
Returning
Sun, Aug 16, 20266 Day Trip
$1,147 USD
Returning
Mon, Aug 17, 20267 Day Trip
$1,147 USD
Returning
Tue, Aug 18, 20268 Day Trip
$947 USD
Returning
Wed, Aug 19, 20269 Day Trip
$947 USD
Returning
Fri, Aug 21, 202611 Day Trip
$947 USD
Returning
Mon, Aug 24, 202614 Day Trip
$947 USD