Cheap flights from Austin to Illawarra

View AU$881 flight on Mon, 1 Sep. 2025Opens in a new window

Popular airlines from Austin to Illawarra

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Delta

    Delta

  • Air New Zealand

    Air New Zealand

  • United

    United

  • Qantas Airways

    Qantas Airways

  • British Airways

    British Airways

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Austin (AUS) to Illawarra (SYD)

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.

Air Canada
Mon, 8 Sep. - Sun, 14 Sep.
AUS
Austin
SYD
Sydney
AU$1,596 Return, found 6 days ago
AU$1,596
Return
found 6 days ago
Select Air Canada flight, departing Mon, 8 Sep. from Austin to Sydney, returning Sun, 14 Sep., priced at AU$1,596 found 6 days ago
United
Thu, 25 Sep. - Sat, 4 Oct.
AUS
Austin
SYD
Sydney
AU$1,672 Return, found 3 hours ago
AU$1,672
Return
found 3 hours ago
Select United flight, departing Thu, 25 Sep. from Austin to Sydney, returning Sat, 4 Oct., priced at AU$1,672 found 3 hours ago
Delta
Mon, 1 Sep. - Fri, 19 Sep.
AUS
Austin
SYD
Sydney
AU$1,672 Return, found 3 hours ago
AU$1,672
Return
found 3 hours ago
Select Delta flight, departing Mon, 1 Sep. from Austin to Sydney, returning Fri, 19 Sep., priced at AU$1,672 found 3 hours ago
Fiji Airways
Sat, 16 Aug. - Tue, 19 Aug.
AUS
Austin
SYD
Sydney
AU$1,895 Return, found 1 hour ago
AU$1,895
Return
found 1 hour ago
Select Fiji Airways flight, departing Sat, 16 Aug. from Austin to Sydney, returning Tue, 19 Aug., priced at AU$1,895 found 1 hour ago
Qantas Airways
Sat, 9 Aug. - Sat, 16 Aug.
AUS
Austin
SYD
Sydney
AU$1,928 Return, found 1 day ago
AU$1,928
Return
found 1 day ago
Select Qantas Airways flight, departing Sat, 9 Aug. from Austin to Sydney, returning Sat, 16 Aug., priced at AU$1,928 found 1 day ago
Hawaiian Airlines
Wed, 27 Aug. - Tue, 9 Sep.
AUS
Austin
SYD
Sydney
AU$1,960 Return, found 3 hours ago
AU$1,960
Return
found 3 hours ago
Select Hawaiian Airlines flight, departing Wed, 27 Aug. from Austin to Sydney, returning Tue, 9 Sep., priced at AU$1,960 found 3 hours ago
*Available to Expedia members.