Reykjavik (Keflavik) (KEF) to Seattle / Tacoma (SEA) flight deal in business from $1,375

Wednesday, August 26th, 2026

6 round-trip options

Returning
Mon, Aug 31, 20265 Day Trip
$4,517 USD
Returning
Wed, Sep 2, 20267 Day Trip
$4,517 USD
Returning
Thu, Sep 3, 20268 Day Trip
$4,517 USD
Returning
Fri, Sep 4, 20269 Day Trip
$2,433 USD
Returning
Sun, Sep 6, 202611 Day Trip
$3,459 USD
Returning
Mon, Sep 7, 202612 Day Trip
$4,517 USD