FFL Helper

FFL Helper / Phoenix / Austin / September 2026

PHX → AUS · 2026-09

Phoenix to Austin in September 2026

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

Lowest this month $141
Highest this month $172
Sample fare $120
Airports PHX–AUS
Search September 2026 tickets

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Other months: August 2026 · September 2026 · Full route

September 2026 price calendar

September 2026

From $141 · up to $172

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Tue
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Sun
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2 $172 3 $141 4 $148
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Dated fares

Austin AUS

$141

Sep 03, 9:03am · 24h 49m · 1 stop

PHX → AUS · Frontier Airlines

Tickets

Austin AUS

$148

Sep 04, 10:30pm · 11h 22m · 1 stop

PHX → AUS · Frontier Airlines

Tickets

Austin AUS

$172

Sep 02, 2:15pm · 7h 26m · 1 stop

PHX → AUS · Frontier Airlines

Tickets

Booking PHX to AUS in September 2026

This page is only September 2026 on the Phoenix to Austin 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 Phoenix to Austin in September 2026.