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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 May , June 2026

31 May - 14 Jun $ 1,160.00
PDX
Portland
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
PDX
Portland
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24 May - 03 Jun $ 1,529.00
PDX
Portland
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
PDX
Portland
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25 May - 04 Jun $ 1,653.00
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

21 May - 31 May $ 1,277.00
PDX
Portland
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
PDX
Portland
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21 May - 31 May $ 1,277.00
PDX
Portland
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
PDX
Portland
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21 May - 31 May $ 1,345.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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One-way flights to Sydney from Portland

7:45 PM - 10:50 PM
United Airlines
1 Stops
18h 10m
PDX - SYD
$ 691
Kiwi
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5:35 PM - 10:50 PM
United Airlines
1 Stops
20h 20m
PDX - SYD
$ 691
Kiwi
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8:00 AM - 11:50 AM
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)

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.