Direct flights
from Austin (AUS)
to Seattle (SEA)
with Alaska Airlines

Weekly schedule for flights between Austin-Bergstrom Intl (Austin, United States) and Seattle-Tacoma Intl (Seattle, United States).
21 weekly flights operate on this route flying 1,772mi in 4h25min.
Expect $228 in average for a one-way ticket with the cheapest option at $136 on Feb 24.