Nonstop flights from Houston to Austin

2 airlines fly from 2 Houston airports (IAH and HOU) to Austin (AUS), with up to 11 flights a day.

IAH

Routes

2 airport pairs

When they leave

Houston time

7:35a10:15pFirst departure 7:35 AM, last 10:15 PM

Five in the morning, 7:35 AM to 10:30 AM, then six in the afternoon, 12:05 PM to 4:20 PM, then four in the evening, 6:50 PM to 10:15 PM.

Every flight

Earliest first

7:35 AM→8:39 AMIAH to AUSUnited AirlinesAirbus A320Daily
8:10 AM→9:05 AMHOU to AUSSouthwest AirlinesBoeing 737 MAX 8Sat
10:00 AM→11:00 AMHOU to AUSSouthwest AirlinesBoeing 737-700Mon, Tue, Wed, Thu, Fri, Sun
10:15 AM→11:19 AMIAH to AUSUnited AirlinesAirbus A320Daily
10:30 AM→11:25 AMHOU to AUSSouthwest AirlinesBoeing 737 MAX 8Sat
10:30 AM→11:25 AMHOU to AUSSouthwest AirlinesBoeing 737-700Sun
12:05 PM→1:12 PMIAH to AUSUnited AirlinesBoeing 737Daily
2:00 PM→2:55 PMHOU to AUSSouthwest AirlinesBoeing 737-700Sun
2:20 PM→3:29 PMIAH to AUSUnited AirlinesEmbraer 175Daily
3:20 PM→4:15 PMHOU to AUSSouthwest AirlinesBoeing 737-700Mon, Tue, Wed, Thu, Fri
3:35 PM→4:30 PMHOU to AUSSouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Sat
4:20 PM→5:27 PMIAH to AUSUnited AirlinesAirbus A319Mon, Tue, Wed, Thu, Fri, Sun
4:20 PM→5:32 PMIAH to AUSUnited AirlinesEmbraer 175Sat
6:50 PM→7:57 PMIAH to AUSUnited AirlinesAirbus A320Daily
8:18 PM→9:25 PMIAH to AUSUnited AirlinesBoeing 737 MAX 8Daily
8:55 PM→9:50 PMHOU to AUSSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
10:15 PM→11:12 PMIAH to AUSUnited AirlinesBoeing 737Mon, Tue, Wed, Thu, Fri, Sun

Schedules last checked Sep 20, 2026. Times are local.

Flying from Houston to Austin

United Airlines flies most often, 7 to 8 times a day on the Airbus A320, Boeing 737, Embraer 175, Airbus A319 and Boeing 737 MAX 8. Southwest Airlines flies 3 times a day on the Boeing 737-700 and Boeing 737 MAX 8.

There are 10 or 11 flights every day of the week. The first arrival in Austin is at 8:39 AM and the last at 11:12 PM.

IAH to AUS is the busiest airport pair, with 55 flights a week, then HOU to AUS with 21.

Flying back, Austin to Houston has 76 nonstop flights a week.

Return flights

Austin to HoustonView

Find the cheapest day to fly from Houston to Austin.

Schedules as of Oct 9, 2026.