Austin to Houston in September 2026

Dated one-way fares from Austin to Houston in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $80

Highest this month $160

Sample fare $80

Airports AUS–IAH

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September 2026 price calendar

From $80 · up to $160

Mon

Tue

Wed

Thu

Fri

Sat

Sun

7 $160 8 $120 9 $120 10 $120 11 $120 12 $120 13 $120 14 $120 15 $120 16 $120 17 $120 18 $120 19 $80

Houston HOU

$80

Sep 19, 4:10pm · 1h 10m · 0 stops

AUS → IAH · United Airlines

This page is only September 2026 on the Austin to Houston route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book Austin to Houston in September 2026.