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

Friday, July 31st, 2026

5 round-trip options

Returning
Fri, Aug 7, 20267 Day Trip
$635 USD
Returning
Tue, Aug 11, 202611 Day Trip
$728 USD
Returning
Wed, Aug 12, 202612 Day Trip
$728 USD
Returning
Thu, Aug 13, 202613 Day Trip
$928 USD
Returning
Fri, Aug 14, 202614 Day Trip
$977 USD