Direct (nonstop) flights from Austin to Houston

1 airline flys nonstop from Austin-Bergstrom International Airport (AUS) to George Bush Intcntl Houston (IAH). It's 140 miles (225 km), about 1h 6m in the air. Operated by United Airlines.

AUS
Austin-Bergstrom International Airport
🇺🇸 Austin, USA
IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
Flight Time
1h 6m
Distance
140 mi
225 km
CO₂/pax
26 kg
−76 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
AUS → IAH
Flight Time
1h 6m
Distance
140 mi

Alternative Routes

Other ways to fly from Austin to Houston with one stop · direct emits 26 kg CO₂ per passenger

AUS DFW (Dallas) IAH
Leg 1: 1h 16m (189 mi) Leg 2: 1h 15m (224 mi) Total: ~2h 31m 🍃 102 kg CO₂ (+292% vs. direct)
Leg 1
AUS → DFW
1h 16m · 189 mi
View AUS to DFW flights →
Leg 2
DFW → IAH
1h 15m · 224 mi
View DFW to IAH flights →
AUS HRL (Harlingen) IAH
Leg 1: 1h 10m (273 mi) Leg 2: 1h 23m (295 mi) Total: ~2h 33m 🍃 131 kg CO₂ (+404% vs. direct)
Leg 1
AUS → HRL
1h 10m · 273 mi
View AUS to HRL flights →
Leg 2
HRL → IAH
1h 23m · 295 mi
View HRL to IAH flights →
AUS MFE (McAllen) IAH
Leg 1: 1h 21m (279 mi) Leg 2: 1h 24m (316 mi) Total: ~2h 45m 🍃 135 kg CO₂ (+419% vs. direct)
Leg 1
AUS → MFE
1h 21m · 279 mi
View AUS to MFE flights →
Leg 2
MFE → IAH
1h 24m · 316 mi
View MFE to IAH flights →
AUS MAF (Midland) IAH
Leg 1: 1h 10m (295 mi) Leg 2: 1h 37m (429 mi) Total: ~2h 47m 🍃 159 kg CO₂ (+512% vs. direct)
Leg 1
AUS → MAF
1h 10m · 295 mi
View AUS to MAF flights →
Leg 2
MAF → IAH
1h 37m · 429 mi
View MAF to IAH flights →
AUS MSY (New Orleans) IAH
Leg 1: 1h 25m (444 mi) Leg 2: 1h 23m (304 mi) Total: ~2h 48m 🍃 163 kg CO₂ (+527% vs. direct)
Leg 1
AUS → MSY
1h 25m · 444 mi
View AUS to MSY flights →
Leg 2
MSY → IAH
1h 23m · 304 mi
View MSY to IAH flights →

Looking for the return flight?

IAH → AUS: Flights from Houston to Austin

Frequently Asked Questions

How long is the direct flight from Austin to Houston?

A nonstop flight from Austin (AUS) to Houston (IAH) takes approximately 1 hours and 6 minutes. The distance is 140 miles (225 km).

Which airlines fly nonstop from Austin to Houston?

Just United Airlines.

Is there a nonstop flight from Austin to Houston?

Yes. 1 airline: United Airlines.

How far is Austin from Houston?

The flight distance from Austin to Houston is 140 miles (225 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from Austin to Houston?

At 1h 6m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Austin to Houston?

Roughly 26 kg CO2 per passenger one-way. That's about the same as driving 130 km.

Is the return flight from Houston to Austin 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 Austin to Houston?

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 Austin-Bergstrom International Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.