Washington to Austin
IADAUS
Fly from Washington to Austin starting at SAR 170 with Frontier Airlines.
Best fare available on Oct 19, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Austin cheapest flights this week
Washington to Austin monthly flight fare trend
Oct
from SAR 170
Nov
from SAR 300
Dec
from SAR 470
Jan
No flights
Feb
No flights
Mar
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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