Cheap flights from Portland to North Shore Sydney

View AU$613 flight on Thu, 25 Sep. 2025Opens in a new window

Popular airlines from Portland to North Shore Sydney

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Qantas Airways

    Qantas Airways

  • Air New Zealand

    Air New Zealand

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Cheap Flights from Portland (PDX) to North Shore 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
Thu, 7 Aug. - Wed, 13 Aug.
PDX
Portland
SYD
Sydney
AU$1,167 Return, found 1 day ago
AU$1,167
Return
found 1 day ago
Select Air Canada flight, departing Thu, 7 Aug. from Portland to Sydney, returning Wed, 13 Aug., priced at AU$1,167 found 1 day ago
American Airlines
Sat, 13 Sep. - Mon, 22 Sep.
PDX
Portland
SYD
Sydney
AU$1,235 Return, found 5 days ago
AU$1,235
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep. from Portland to Sydney, returning Mon, 22 Sep., priced at AU$1,235 found 5 days ago
United
Sun, 21 Sep. - Sat, 22 Nov.
PDX
Portland
SYD
Sydney
AU$1,247 Return, found 20 hours ago
AU$1,247
Return
found 20 hours ago
Select United flight, departing Sun, 21 Sep. from Portland to Sydney, returning Sat, 22 Nov., priced at AU$1,247 found 20 hours ago
Delta
Wed, 24 Sep. - Sun, 23 Nov.
PDX
Portland
SYD
Sydney
AU$1,247 Return, found 19 hours ago
AU$1,247
Return
found 19 hours ago
Select Delta flight, departing Wed, 24 Sep. from Portland to Sydney, returning Sun, 23 Nov., priced at AU$1,247 found 19 hours ago
Qantas Airways
Wed, 24 Sep. - Sun, 23 Nov.
PDX
Portland
SYD
Sydney
AU$1,268 Return, found 19 hours ago
AU$1,268
Return
found 19 hours ago
Select Qantas Airways flight, departing Wed, 24 Sep. from Portland to Sydney, returning Sun, 23 Nov., priced at AU$1,268 found 19 hours ago
Alaska Airlines
Sun, 21 Sep. - Tue, 30 Sep.
PDX
Portland
SYD
Sydney
AU$1,528 Return, found 3 days ago
AU$1,528
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 21 Sep. from Portland to Sydney, returning Tue, 30 Sep., priced at AU$1,528 found 3 days 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.