Finnair Moves Seattle Seasonal Service to late-May 2026

NS26Oneworld
Written By AeroRoutes - Jim Liu

Published at 1500PDT / 2200GMT 01APR26

Oneworld member Finnair has further revised Helsinki – Seattle service for 2026. Previously scheduled to commence on 28APR26, the carrier now plans to serve this route from 26MAY26 to 28SEP26.

The carrier operates 3 weekly flights from 26MAY26, reduced to 2 weekly from 17AUG26.

AY033 HEL1620 – 1600SEA 333 257
AY034 SEA1740 – 1310+1HEL 333 257

AeroRoutes - Jim Liu

Jim previously launched and ran Airlineroute between 2007 and 2020, now owns and runs AeroRoutes.

https://aeroroutes.com
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