Cheap flights from Portland to Greater Western Sydney

View AU$613 flight on Thu, 18 Sep. 2025Opens in a new window

Popular airlines from Portland to Greater Western Sydney

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Qantas Airways

    Qantas Airways

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

  • Air New Zealand

    Air New Zealand

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Cheap Flights from Portland (PDX) 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.

Air Canada
Sun, 21 Sep. - Tue, 30 Sep.
PDX
Portland
SYD
Sydney
AU$1,206 Return, found 1 hour ago
AU$1,206
Return
found 1 hour ago
Select Air Canada flight, departing Sun, 21 Sep. from Portland to Sydney, returning Tue, 30 Sep., priced at AU$1,206 found 1 hour ago
Air Canada
Sat, 6 Sep. - Fri, 12 Sep.
PDX
Portland
SYD
Sydney
AU$1,215 Return, found 5 days ago
AU$1,215
Return
found 5 days ago
Select Air Canada flight, departing Sat, 6 Sep. from Portland to Sydney, returning Fri, 12 Sep., priced at AU$1,215 found 5 days ago
American Airlines
Sat, 13 Sep. - Mon, 22 Sep.
PDX
Portland
SYD
Sydney
AU$1,235 Return, found 1 day ago
AU$1,235
Return
found 1 day ago
Select American Airlines flight, departing Sat, 13 Sep. from Portland to Sydney, returning Mon, 22 Sep., priced at AU$1,235 found 1 day ago
United
Sun, 21 Sep. - Tue, 30 Sep.
PDX
Portland
SYD
Sydney
AU$1,251 Return, found 1 hour ago
AU$1,251
Return
found 1 hour ago
Select United flight, departing Sun, 21 Sep. from Portland to Sydney, returning Tue, 30 Sep., priced at AU$1,251 found 1 hour ago
Delta
Sun, 21 Sep. - Tue, 30 Sep.
PDX
Portland
SYD
Sydney
AU$1,251 Return, found 1 hour ago
AU$1,251
Return
found 1 hour ago
Select Delta flight, departing Sun, 21 Sep. from Portland to Sydney, returning Tue, 30 Sep., priced at AU$1,251 found 1 hour ago
Qantas Airways
Thu, 18 Sep. - Thu, 25 Sep.
PDX
Portland
SYD
Sydney
AU$1,272 Return, found 1 hour ago
AU$1,272
Return
found 1 hour ago
Select Qantas Airways flight, departing Thu, 18 Sep. from Portland to Sydney, returning Thu, 25 Sep., priced at AU$1,272 found 1 hour ago

Find the cheapest month to fly from Portland (PDX) to Sydney (SYD)

September is typically the cheapest month to fly

From AU$1,193 - AU$2,671 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.