Washington to Austin
IADAUS
Fly from Washington to Austin starting at SAR 300 with Frontier Airlines.
Best fare available on Aug 11, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Austin cheapest flights this week
Washington to Austin monthly flight fare trend
Jul
from SAR 759
Aug
from SAR 300
Sep
No flights
Oct
No flights
Nov
from SAR 470
Dec
No flights
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
Austin
Austin Bergstrom International Airport (AUS)
Austin, AUS
Zone
Chicago
Elev
542 ft
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