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 15 hours ago
Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price

Saturday, August 8th, 2026

8 round-trip options

Returning
Thu, Aug 13, 2026•5 Day Trip
$6,222 USD
Google Flights
Returning
Sat, Aug 15, 2026•7 Day Trip
$4,517 USD
Google Flights
Returning
Sun, Aug 16, 2026•8 Day Trip
$5,543 USD
Google Flights
Returning
Mon, Aug 17, 2026•9 Day Trip
$3,459 USD
Google Flights
Returning
Wed, Aug 19, 2026•11 Day Trip
$5,543 USD
Google Flights
Returning
Thu, Aug 20, 2026•12 Day Trip
$5,543 USD
Google Flights
Returning
Fri, Aug 21, 2026•13 Day Trip
$5,543 USD
Google Flights
Returning
Sat, Aug 22, 2026•14 Day Trip
$4,517 USD
Google Flights