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

Sunday, July 5th, 2026

5 round-trip options

Returning
Sun, Jul 12, 2026•7 Day Trip
$5,196 USD
Google Flights
Returning
Mon, Jul 13, 2026•8 Day Trip
$4,438 USD
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Returning
Tue, Jul 14, 2026•9 Day Trip
$4,438 USD
Google Flights
Returning
Wed, Jul 15, 2026•10 Day Trip
$4,438 USD
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Returning
Fri, Jul 17, 2026•12 Day Trip
$6,900 USD
Google Flights