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

AAAmerican Airlines

Round Trip•Economy

AUS

Austin-Bergstrom International Ai

Austin, United States

PHX

Phoenix Sky Harbor International Airport

Phoenix, United States

$405 USD

-66%$139 USD

Verified Nov 3, 2025 at 5:03 AM

December 2025

Today

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1$274 2$139 3$139 4$174 5$174 6$139 7$203 8$174 9$139 10$139 11$174 12$174 13$139 14$203 15$174 16$139 17$139 18$249 19$269 20$259 21$340 22$311 23$259 24$211 25$225 26$279 27$275 28$288 29$269 30$259 31$149 1 2 3 4

Extremely Rare Availability

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

Friday, December 19th, 2025

10 round-trip options

Returning

Wed, Dec 24, 2025•5 Day Trip

$331 USD

Google Flights

Returning

Thu, Dec 25, 2025•6 Day Trip

$269 USD

Google Flights

Returning

Fri, Dec 26, 2025•7 Day Trip

$399 USD

Google Flights

Returning

Sat, Dec 27, 2025•8 Day Trip

$392 USD

Google Flights

Returning

Sun, Dec 28, 2025•9 Day Trip

$408 USD

Google Flights

Returning

Mon, Dec 29, 2025•10 Day Trip

$389 USD

Google Flights

Returning

Tue, Dec 30, 2025•11 Day Trip

$379 USD

Google Flights

Returning

Wed, Dec 31, 2025•12 Day Trip

$331 USD

Google Flights

Returning

Thu, Jan 1, 2026•13 Day Trip

$345 USD

Google Flights

Returning

Fri, Jan 2, 2026•14 Day Trip

$399 USD

Google Flights