Houston to Austin
IAHAUS
Fly from Houston to Austin starting at USD 110 with UA.
Best fare available on Apr 29, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to Austin cheapest flights this week
24 Apr
UA
22:15IAH
--:--AUS
Direct$127VIEW DEAL
25 Apr
UA
22:15IAH
--:--AUS
Direct$126VIEW DEAL
26 Apr
UA
10:13IAH
--:--AUS
Direct$127VIEW DEAL
27 Apr
UA
22:15IAH
--:--AUS
Direct$112VIEW DEAL
29 Apr
UA
22:15IAH
--:--AUS
Direct$110VIEW DEAL
Houston to Austin monthly flight fare trend
Apr
from USD 110
May
No flights
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Airport Details
Origin
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
Destination
Austin
Austin Bergstrom International Airport (AUS)
Austin, AUS
Zone
Chicago
Elev
542 ft
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