Houston to Austin
IAHAUS
Fly from Houston to Austin starting at USD 134 with UA.
Best fare available on May 13, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to Austin cheapest flights this week
9 May
UA
14:20IAH
15:24AUS
Direct$136VIEW DEAL
11 May
UA
20:15IAH
21:24AUS
Direct$136VIEW DEAL
13 May
UA
22:15IAH
23:15AUS
Direct$134VIEW DEAL
14 May
UA
07:35IAH
08:39AUS
Direct$134VIEW DEAL
15 May
UA
10:10IAH
11:16AUS
Direct$137VIEW DEAL
16 May
UA
12:00IAH
13:09AUS
Direct$134VIEW DEAL
24 Jun
UA
21:45IAH
22:42AUS
Direct$138VIEW DEAL
Houston to Austin monthly flight fare trend
May
from USD 134
Jun
from USD 138
Jul
No flights
Aug
No flights
Sep
No flights
Oct
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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