Cheap flights from Phoenix to Southwest Austin

View AU$110 flight on Sat, 8 Nov. 2025Opens in a new window

Popular airlines from Phoenix to Southwest Austin

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • JetBlue Airways

    JetBlue Airways

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Cheap Flights from Phoenix (PHX) to Southwest Austin (AUS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 8 Nov. - Mon, 10 Nov.
PHX
Phoenix
AUS
Austin
AU$275 Return, found 14 hours ago
AU$275
Return
found 14 hours ago
Select American Airlines flight, departing Sat, 8 Nov. from Phoenix to Austin, returning Mon, 10 Nov., priced at AU$275 found 14 hours ago
American Airlines
Sat, 8 Nov. - Mon, 10 Nov.
PHX
Phoenix
AUS
Austin
AU$290 Return, found 14 hours ago
AU$290
Return
found 14 hours ago
Select American Airlines flight, departing Sat, 8 Nov. from Phoenix to Austin, returning Mon, 10 Nov., priced at AU$290 found 14 hours ago
American Airlines
Sat, 8 Nov. - Mon, 10 Nov.
PHX
Phoenix
AUS
Austin
AU$305 Return, found 14 hours ago
AU$305
Return
found 14 hours ago
Select American Airlines flight, departing Sat, 8 Nov. from Phoenix to Austin, returning Mon, 10 Nov., priced at AU$305 found 14 hours ago
Alaska Airlines
Sat, 8 Nov. - Mon, 10 Nov.
PHX
Phoenix
AUS
Austin
AU$313 Return, found 14 hours ago
AU$313
Return
found 14 hours ago
Select Alaska Airlines flight, departing Sat, 8 Nov. from Phoenix to Austin, returning Mon, 10 Nov., priced at AU$313 found 14 hours ago
Delta
Tue, 14 Oct. - Wed, 15 Oct.
PHX
Phoenix
AUS
Austin
AU$338 Return, found 18 hours ago
AU$338
Return
found 18 hours ago
Select Delta flight, departing Tue, 14 Oct. from Phoenix to Austin, returning Wed, 15 Oct., priced at AU$338 found 18 hours ago
United
Tue, 14 Oct. - Wed, 15 Oct.
PHX
Phoenix
AUS
Austin
AU$393 Return, found 18 hours ago
AU$393
Return
found 18 hours ago
Select United flight, departing Tue, 14 Oct. from Phoenix to Austin, returning Wed, 15 Oct., priced at AU$393 found 18 hours ago

Find the cheapest month to fly from Phoenix (PHX) to Austin (AUS)

August is typically the cheapest month to fly

From AU$139 - AU$492 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.