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

Sunday, July 5th, 2026

5 round-trip options

Returning
Sun, Jul 12, 20267 Day Trip
$1,763 USD
Returning
Thu, Jul 16, 202611 Day Trip
$1,763 USD
Returning
Fri, Jul 17, 202612 Day Trip
$1,763 USD
Returning
Sat, Jul 18, 202613 Day Trip
$1,867 USD
Returning
Sun, Jul 19, 202614 Day Trip
$1,763 USD