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

Friday, August 21st, 2026

7 round-trip options

Returning
Wed, Aug 26, 20265 Day Trip
$735 USD
Returning
Thu, Aug 27, 20266 Day Trip
$735 USD
Returning
Fri, Aug 28, 20267 Day Trip
$735 USD
Returning
Sat, Aug 29, 20268 Day Trip
$884 USD
Returning
Sun, Aug 30, 20269 Day Trip
$799 USD
Returning
Tue, Sep 1, 202611 Day Trip
$735 USD
Returning
Fri, Sep 4, 202614 Day Trip
$646 USD