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

Alaska Airlines, Inc.ASAlaska Airlines, Inc.
Round Trip•Business Class
IcelandKEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$4,565 USD
-70%$1,375 USD
Verified about 14 hours ago
Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price

Friday, August 28th, 2026

4 round-trip options

Returning
Wed, Sep 2, 2026•5 Day Trip
$3,491 USD
Google Flights
Returning
Fri, Sep 4, 2026•7 Day Trip
$2,433 USD
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Returning
Sat, Sep 5, 2026•8 Day Trip
$2,433 USD
Google Flights
Returning
Sun, Sep 6, 2026•9 Day Trip
$3,491 USD
Google Flights