Direct flights
from Kalispell (FCA)
to Seattle (SEA)
with Alaska Airlines

Weekly schedule for flights between Glacier Park Intl (Kalispell, United States) and Seattle-Tacoma Intl (Seattle, United States).
9 weekly flights operate on this route flying 378mi in 1h35min.
Expect $327 in average for a one-way ticket with the cheapest option at $247 on Jan 01.