Check security wait times on the IAH website to ensure a smooth departure experience from any of the five terminals.

Round-trip from | $127 (United Airlines) |
|---|---|
One-way from | $55 (Southwest) |
Popular in | February |
Cheapest in | March |
Average price | $341 |
Fly from
Fly to
Route
Depart
Return
Price
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
mar. 1/6
8:30 pm-9:35 pm
Nonstop1h 05m
Austin Bergstrom
vie. 1/16
9:35 am-10:44 am
Nonstop1h 09m
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
mié. 2/4
7:45 am-9:35 pm
1 stop13h 50m
Austin Bergstrom
sáb. 2/7
11:30 am-8:23 pm
1 stop8h 53m
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
jue. 2/5
9:58 pm-10:59 pm
Nonstop1h 01m
Austin Bergstrom
dom. 2/15
5:30 am-6:32 am
Nonstop1h 02m
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
jue. 1/8
10:21 am-11:31 am
Nonstop1h 10m
Austin Bergstrom
dom. 1/11
5:10 am-6:19 am
Nonstop1h 09m
HoustonAustin
HOU - AUS
HOUAUS
Houston Hobby
mar. 1/6
2:55 pm-3:50 pm
Nonstop0h 55m
Austin Bergstrom
jue. 1/15
7:25 pm-8:25 pm
Nonstop1h 00m
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
mié. 2/4
9:58 pm-10:59 pm
Nonstop1h 01m
Austin Bergstrom
sáb. 2/7
2:22 pm-3:31 pm
Nonstop1h 09m
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
jue. 2/5
4:35 pm-10:34 am
1 stop17h 59m
Austin Bergstrom
dom. 2/15
10:18 am-9:33 pm
1 stop11h 15m
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
mié. 1/21
6:00 am-3:09 pm
1 stop9h 09m
Austin Bergstrom
jue. 1/22
7:00 am-1:51 pm
1 stop6h 51m
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
jue. 1/1
10:37 am-6:34 pm
1 stop7h 57m
Austin Bergstrom
jue. 1/8
10:31 am-5:05 pm
1 stop6h 34m
HoustonAustin
IAH - AUS
IAHAUS
Houston George Bush Intcntl
mié. 12/31
5:00 am-2:41 pm
1 stop9h 41m
Austin Bergstrom
mié. 1/7
11:45 am-7:18 pm
1 stop7h 33m
Currently, June is the cheapest month in which you can book a flight from Houston to Austin (average of $77). Flying from Houston to Austin in December is currently the most expensive (average of $225). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Houston to Austin at noon. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their Houston to Austin flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
About 15% of weekly flights between Houston and Austin have experienced delays in the past year, with the average delay time being 94 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Japan Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Food
Crew
Boarding
Overall
Entertainment
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Food
Crew
Boarding
Overall
Entertainment
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Food
Crew
Boarding
Overall
Entertainment
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$257 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$97 | Average$346 | FlexibilityNo cancel fee | On-time69% |