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

Thursday, June 11th, 2026

8 round-trip options

Returning
Tue, Jun 16, 2026•5 Day Trip
$4,438 USD
Google Flights
Returning
Thu, Jun 18, 2026•7 Day Trip
$2,733 USD
Google Flights
Returning
Sat, Jun 20, 2026•9 Day Trip
$4,438 USD
Google Flights
Returning
Sun, Jun 21, 2026•10 Day Trip
$1,975 USD
Google Flights
Returning
Mon, Jun 22, 2026•11 Day Trip
$1,975 USD
Google Flights
Returning
Tue, Jun 23, 2026•12 Day Trip
$4,438 USD
Google Flights
Returning
Wed, Jun 24, 2026•13 Day Trip
$4,438 USD
Google Flights
Returning
Thu, Jun 25, 2026•14 Day Trip
$4,438 USD
Google Flights