Cheap flights from Philadelphia to South Austin

View AU$283 flight on Mon, 18 Aug. 2025Opens in a new window

Popular airlines from Philadelphia to South Austin

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Philadelphia (ILG) to South 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
Wed, 10 Sep. - Wed, 17 Sep.
PHL
Philadelphia
AUS
Austin
AU$227 Return, found 6 hours ago
AU$227
Return
found 6 hours ago
Select American Airlines flight, departing Wed, 10 Sep. from Philadelphia to Austin, returning Wed, 17 Sep., priced at AU$227 found 6 hours ago
American Airlines
Mon, 18 Aug. - Sat, 23 Aug.
PHL
Philadelphia
AUS
Austin
AU$240 Return, found 2 days ago
AU$240
Return
found 2 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Philadelphia to Austin, returning Sat, 23 Aug., priced at AU$240 found 2 days ago
American Airlines
Wed, 10 Sep. - Wed, 17 Sep.
PHL
Philadelphia
AUS
Austin
AU$259 Return, found 6 hours ago
AU$259
Return
found 6 hours ago
Select American Airlines flight, departing Wed, 10 Sep. from Philadelphia to Austin, returning Wed, 17 Sep., priced at AU$259 found 6 hours ago
Delta
Wed, 10 Sep. - Wed, 17 Sep.
PHL
Philadelphia
AUS
Austin
AU$359 Return, found 6 hours ago
AU$359
Return
found 6 hours ago
Select Delta flight, departing Wed, 10 Sep. from Philadelphia to Austin, returning Wed, 17 Sep., priced at AU$359 found 6 hours ago
United
Mon, 18 Aug. - Sat, 23 Aug.
PHL
Philadelphia
AUS
Austin
AU$689 Return, found 2 days ago
AU$689
Return
found 2 days ago
Select United flight, departing Mon, 18 Aug. from Philadelphia to Austin, returning Sat, 23 Aug., priced at AU$689 found 2 days ago
Alaska Airlines
Wed, 10 Sep. - Wed, 17 Sep.
PHL
Philadelphia
AUS
Austin
AU$837 Return, found 6 hours ago
AU$837
Return
found 6 hours ago
Select Alaska Airlines flight, departing Wed, 10 Sep. from Philadelphia to Austin, returning Wed, 17 Sep., priced at AU$837 found 6 hours ago

Find the cheapest month to fly from Philadelphia (PHL) to Austin (AUS)

September is typically the cheapest month to fly

From AU$181 - AU$317 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.