Direct (nonstop) flights from Houston to Austin
1 airline flys nonstop from George Bush Intcntl Houston (IAH) to Austin-Bergstrom International Airport (AUS). It's 140 miles (225 km), about 1h 4m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Houston to Austin with one stop · direct emits 26 kg CO₂ per passenger
Looking for the return flight?
AUS → IAH: Flights from Austin to HoustonOther direct flights from Houston
Direct flights from Austin (AUS)
Frequently Asked Questions
How long is the direct flight from Houston to Austin?
A nonstop flight from Houston (IAH) to Austin (AUS) takes approximately 1 hours and 4 minutes. The distance is 140 miles (225 km).
Which airlines fly nonstop from Houston to Austin?
Just United Airlines.
Is there a nonstop flight from Houston to Austin?
Yes. 1 airline: United Airlines.
How far is Houston from Austin?
The flight distance from Houston to Austin is 140 miles (225 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Houston to Austin?
At 1h 4m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Houston to Austin?
Roughly 26 kg CO2 per passenger one-way. That's about the same as driving 130 km.
Is the return flight from Austin to Houston also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Houston to Austin?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at George Bush Intcntl Houston for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.