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

Wednesday, August 5th, 2026

7 round-trip options

Returning
Mon, Aug 10, 20265 Day Trip
$840 USD
Returning
Tue, Aug 11, 20266 Day Trip
$840 USD
Returning
Wed, Aug 12, 20267 Day Trip
$840 USD
Returning
Thu, Aug 13, 20268 Day Trip
$1,046 USD
Returning
Fri, Aug 14, 20269 Day Trip
$1,550 USD
Returning
Sun, Aug 16, 202611 Day Trip
$1,040 USD
Returning
Wed, Aug 19, 202614 Day Trip
$840 USD