Seattle to Austin
SEAAUS
Fly from Seattle to Austin starting at USD 122 with Southwest Airlines.
Best fare available on Aug 19, 2026.
Limited seats. Better plans. Book before it's gone.
Seattle to Austin cheapest flights this week
Seattle to Austin monthly flight fare trend
Aug
from USD 122
Sep
No flights
Oct
from USD 137
Nov
No flights
Dec
No flights
Jan
No flights
Airport Details
Origin
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
Destination
Austin
Austin Bergstrom International Airport (AUS)
Austin, AUS
Zone
Chicago
Elev
542 ft
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