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Cheap flights from Portland (PDX) to Sydney (SYD)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Portland (PDX) to Sydney (SYD)

How to find the cheapest flight from Portland (PDX) to Sydney (SYD)
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How to find the cheapest flight from Portland (PDX) to Sydney (SYD)
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How to find the cheapest flight from Portland (PDX) to Sydney (SYD)
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Cheap flights from Portland to Sydney in October , November 2026

27 Oct - 05 Nov $ 1,117.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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22 Oct - 05 Nov $ 1,143.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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26 Oct - 10 Nov $ 1,669.00
PDX
Portland
Air Canada
1 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
PDX
Portland
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Last minute flights from Portland to Sydney

27 Oct - 31 Oct $ 1,191.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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19 Oct - 31 Oct $ 1,204.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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26 Oct - 31 Oct $ 1,717.00
PDX
Portland
Air Canada
1 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
PDX
Portland
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One-way flights to Sydney from Portland

5:03 PM - 9:25 PM
Alaska Airlines
1 Stops
19h 22m
PDX - SYD
$ 561
Kiwi
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6:18 PM - 10:30 PM
Alaska Airlines
1 Stops
19h 12m
PDX - SYD
$ 566
Kiwi
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8:00 AM - 11:55 AM
Alaska Airlines
1 Stops
17h 45m
PDX - SYD
$ 662
Kiwi
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How to find the cheapest flight from Portland (PDX) to Sydney (SYD)

Related info for your journey
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How to find the cheapest flight from Portland (PDX) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Sydney (SYD)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.