KEF to SEA from $1,375 in business – flightdeals.net

Home Premium Fare Deals About

Alaska Airlines, Inc.

ASAlaska Airlines, Inc.

Round Trip•Business Class

Keflavík International Airport

Reykjavik (Keflavik), Iceland

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$4,565 USD

-70%$1,375 USD

Verified about 14 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$1,375 1$4,537 2$5,583 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Wednesday, September 2nd, 2026

1 round-trip options

Returning

Mon, Sep 7, 2026•5 Day Trip

$5,583 USD