Austin to Houston
AUSIAH
Fly from Austin to Houston starting at USD 87 with United Airlines.
Best fare available on Aug 20, 2026.
Limited seats. Better plans. Book before it's gone.
Austin to Houston cheapest flights this week
Austin to Houston monthly flight fare trend
Jul
from USD 173
Aug
from USD 87
Sep
from USD 94
Oct
No flights
Nov
No flights
Dec
No flights
Airport Details
Origin
Austin
Austin Bergstrom International Airport (AUS)
Austin, AUS
Zone
Chicago
Elev
542 ft
Destination
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
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