Phoenix (PHX) to Austin (AUS) cheap flight deal from $139 USD in economy class

AAAmerican Airlines

Round Trip•Economy

PHX

Phoenix Sky Harbor International Airport

Phoenix, United States

AUS

Austin-Bergstrom International Ai

Austin, United States

$370 USD

-62%$139 USD

Verified Sep 20, 2025 at 8:49 PM

October 2025

Today

Mon

Tue

Wed

Thu

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Sun

29$294 30$234 1$234 2$269 3$269 4$184 5$258 6$219 7$174 8$174 9$209 10$209 11$149 12$213 13$184 14$149 15$149 16$184 17$184 18$149 19$274 20$174 21$139 22$139 23$174 24$174 25$139 26$259 27$174 28$139 29$139 30$174 31$174 1 2

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Thursday, October 9th, 2025

10 round-trip options

Returning

Tue, Oct 14, 2025•5 Day Trip

$219 USD

Google Flights

Returning

Wed, Oct 15, 2025•6 Day Trip

$255 USD

Google Flights

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Thu, Oct 16, 2025•7 Day Trip

$295 USD

Google Flights

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Fri, Oct 17, 2025•8 Day Trip

$254 USD

Google Flights

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Sat, Oct 18, 2025•9 Day Trip

$219 USD

Google Flights

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Sun, Oct 19, 2025•10 Day Trip

$283 USD

Google Flights

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Mon, Oct 20, 2025•11 Day Trip

$307 USD

Google Flights

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Tue, Oct 21, 2025•12 Day Trip

$209 USD

Google Flights

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Wed, Oct 22, 2025•13 Day Trip

$209 USD

Google Flights

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Thu, Oct 23, 2025•14 Day Trip

$262 USD

Google Flights