Houston to Austin Flight Time & Schedules

What Is the Typical Flying Time from Houston to Austin?

A direct flight from Houston to Austin is a relatively short journey, usually taking about 54 minutes to 1 hour 12 minutes. The exact duration depends on which Houston airport you depart from and the service chosen.

Travellers can fly from either George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Both routes arrive at Austin-Bergstrom International Airport (AUS)

Flights between HOU and AUS have an average flying time of approximately 54 minutes, while the IAH–AUS route takes roughly 1 hour 12 minutes*.

The airline also varies by departure point. Southwest Airlines flies nonstop from Hobby Airport to Austin, whereas United Airlines operates the direct IAH–AUS service.

Since Austin is not far from Houston, airport transfers and check-in can account for a sizeable part of the complete trip. Choosing the Houston airport that is easier to reach may therefore be just as important as comparing flight times.

Typical Direct Flight Duration from Houston to Austin

Most nonstop flights between Houston and Austin require around an hour .

The HOU–AUS service can spend approximately 54 minutes in the air , while flights leaving IAH may be scheduled for about 1 hour 12 minutes .

These timings are not fixed. Storms, changing winds, runway traffic, taxiing and air-traffic instructions can affect how quickly a particular flight reaches Austin.

The nonstop journey from George Bush Intercontinental Airport (IAH) to Austin-Bergstrom International Airport (AUS) covers approximately 140 miles .

Flights on this route take about 1 hour 12 minutes , based on the route timings used for this guide.

United Airlines provides the direct connection between IAH and AUS.

IAH may be particularly convenient for passengers living in northern parts of Houston or those arriving at George Bush Intercontinental on another service before continuing to Austin.

Passengers based closer to Hobby Airport can take a direct flight from William P. Hobby Airport (HOU) to Austin-Bergstrom International Airport (AUS) .

The two airports are separated by roughly 150 miles (around 240 km) , and the average HOU–AUS flying time is approximately 54 minutes .

Southwest Airlines operates this nonstop route, with direct departures available during the week.

For travellers starting in central or southern Houston, using Hobby Airport may reduce the amount of ground travel needed before departure.

Both of Houston's main airports offer nonstop flights to Austin, but each route is served by a different airline.

From IAH, passengers can fly directly with United Airlines. Travellers departing from HOU can reach Austin nonstop with Southwest Airlines.

Regardless of the Houston departure airport, both services finish at Austin-Bergstrom International Airport .

Since the flight itself is short, the more practical option may simply be the airport that is closer to your starting location or has a better departure time.

The main direct routes are

IAH–AUS: about 1 hr 12 mins

HOU–AUS: about 54 mins average flying time

United Airlines serves the IAH–AUS route, while Southwest Airlines operates HOU–AUS.

Published flight times provide a useful indication of journey length, but the actual period spent airborne can differ. Airline schedules may also include time allocated for taxiing and airport operations.

Houston to Austin Flight Times by Airport

Departure Airport	Arrival Airport	Route Code	Estimated Flight Time
George Bush Intercontinental Airport	Austin-Bergstrom International Airport	IAH–AUS	About 1 hr 12 mins nonstop
William P. Hobby Airport	Austin-Bergstrom International Airport	HOU–AUS	About 54 mins average nonstop time
Houston Airports (IAH or HOU)	San Antonio International Airport	IAH–SAT / HOU–SAT	Around 50 mins–1 hr 15 mins nonstop, plus ground travel
Houston Airports (IAH or HOU)	Killeen-Fort Cavazos Regional Airport	IAH–GRK / HOU–GRK	Around 3 hrs–6 hrs or more with one stop

The journey from IAH covers approximately 140 miles , while the HOU–AUS airport route is roughly 150 miles .Actual durations can change because of weather, runway activity, taxiing, air-traffic management and day-to-day airline operations.

Airlines Flying Directly from Houston to Austin

United Airlines

Southwest Airlines

Do Houston and Austin Follow the Same Time Zone?

No. Houston and Austin have the same local time.

Both cities follow Central Time and make the same seasonal daylight-saving clock changes.
For example, if it is 3:00 PM in Houston, it is also 3:00 PM in Austin .

This makes the timetable straightforward to read because passengers do not need to adjust the departure or arrival time for a different time zone.

Explore More Flight Times & Routes

Planning beyond this route? Explore more flight times, distances, and travel durations using our tools below.

Start with our Flight Time Calculator to estimate journey times worldwide, or browse average travel times from your departure city using the Houston Flight Times.