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

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0 Children (2~11)
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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 September , October 2026

25 Sep - 20 Oct $ 1,158.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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14 Sep - 07 Oct $ 1,715.00
PDX
Portland
Air Canada
2 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
PDX
Portland
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12 Sep - 03 Oct $ 1,779.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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Last minute flights from Portland to Sydney

25 Sep - 30 Sep $ 1,330.00
PDX
Portland
Alaska Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
2 STOPS
PDX
Portland
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14 Sep - 30 Sep $ 1,737.00
PDX
Portland
Air Canada
2 STOPS
SYD
Sydney
SYD
Sydney
Air Canada
1 STOPS
PDX
Portland
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12 Sep - 30 Sep $ 1,807.00
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

7:27 PM - 11:05 PM
United Airlines
1 Stops
18h 28m
PDX - SYD
$ 700
Kiwi
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7:15 PM - 11:00 PM
United Airlines
1 Stops
18h 40m
PDX - SYD
$ 700
Kiwi
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8:00 AM - 12:00 PM
Alaska Airlines
1 Stops
17h 50m
PDX - SYD
$ 744
Kiwi
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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)
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.