Cheap flights from Philadelphia to Greater Western Sydney

View AU$1,073 flight on Tue, 2 Dec. 2025Opens in a new window

Popular airlines from Philadelphia to Greater Western Sydney

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Delta

    Delta

  • Qantas Airways

    Qantas Airways

  • United

    United

  • Air New Zealand

    Air New Zealand

  • All Nippon Airways

    All Nippon Airways

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Cheap Flights from Philadelphia (ILG) to Greater Western Sydney (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.

United
Sat, 8 Nov. - Tue, 18 Nov.
ABE
Allentown
SYD
Sydney
AU$1,929 Return, found 1 hour ago
AU$1,929
Return
found 1 hour ago
Select United flight, departing Sat, 8 Nov. from Allentown to Sydney, returning Tue, 18 Nov., priced at AU$1,929 found 1 hour ago
United
Sun, 31 Aug. - Sun, 7 Sep.
PHL
Philadelphia
SYD
Sydney
AU$2,024 Return, found 5 days ago
AU$2,024
Return
found 5 days ago
Select United flight, departing Sun, 31 Aug. from Philadelphia to Sydney, returning Sun, 7 Sep., priced at AU$2,024 found 5 days ago
All Nippon Airways
Sun, 31 Aug. - Sun, 7 Sep.
PHL
Philadelphia
SYD
Sydney
AU$2,085 Return, found 5 days ago
AU$2,085
Return
found 5 days ago
Select All Nippon Airways flight, departing Sun, 31 Aug. from Philadelphia to Sydney, returning Sun, 7 Sep., priced at AU$2,085 found 5 days ago
Air Canada
Tue, 23 Sep. - Mon, 29 Sep.
PHL
Philadelphia
SYD
Sydney
AU$2,163 Return, found 6 days ago
AU$2,163
Return
found 6 days ago
Select Air Canada flight, departing Tue, 23 Sep. from Philadelphia to Sydney, returning Mon, 29 Sep., priced at AU$2,163 found 6 days ago
Delta
Sat, 8 Nov. - Tue, 18 Nov.
ABE
Allentown
SYD
Sydney
AU$2,212 Return, found 1 hour ago
AU$2,212
Return
found 1 hour ago
Select Delta flight, departing Sat, 8 Nov. from Allentown to Sydney, returning Tue, 18 Nov., priced at AU$2,212 found 1 hour ago
American Airlines
Sat, 8 Nov. - Tue, 18 Nov.
ABE
Allentown
SYD
Sydney
AU$2,217 Return, found 1 hour ago
AU$2,217
Return
found 1 hour ago
Select American Airlines flight, departing Sat, 8 Nov. from Allentown to Sydney, returning Tue, 18 Nov., priced at AU$2,217 found 1 hour ago

Find the cheapest month to fly from Philadelphia (PHL) to Sydney (SYD)

February is typically the cheapest month to fly

From AU$1,319 - AU$3,382 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.