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

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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 June , July 2026

22 Jun - 21 Jul $ 1,146.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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11 Jun - 10 Jul $ 1,485.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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19 Jun - 07 Jul $ 1,485.00
PDX
Portland
Qantas
1 STOPS
SYD
Sydney
SYD
Sydney
Qantas
1 STOPS
PDX
Portland
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Last minute flights from Portland to Sydney

26 Jun - 30 Jun $ 1,181.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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15 Jun - 30 Jun $ 1,342.00
PDX
Portland
United Airlines
2 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
PDX
Portland
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14 Jun - 30 Jun $ 4,462.00
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

7:46 AM - 11:55 AM
Alaska Airlines
1 Stops
18h 4m
PDX - SYD
$ 629
Kiwi
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7:46 AM - 11:55 AM
Alaska Airlines
1 Stops
18h 4m
PDX - SYD
$ 642
Kiwi
Pick dates
7:46 AM - 11:55 AM
Alaska Airlines
1 Stops
18h 4m
PDX - SYD
$ 647
Kiwi
Pick dates

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.