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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 July , August 2026

29 Jul - 30 Aug $ 1,086.00
PDX
Portland
United Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
United Airlines
1 STOPS
PDX
Portland
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26 Jul - 04 Aug $ 1,347.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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30 Jul - 06 Aug $ 3,312.00
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

26 Jul - 31 Jul $ 1,394.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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29 Jul - 31 Jul $ 1,518.00
PDX
Portland
Alaska Airlines
1 STOPS
SYD
Sydney
SYD
Sydney
Alaska Airlines
1 STOPS
PDX
Portland
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29 Jul - 31 Jul $ 1,819.00
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

6:03 PM - 11:00 PM
United Airlines
1 Stops
19h 52m
PDX - SYD
$ 620
Kiwi
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1:14 PM - 11:00 PM
United Airlines
1 Stops
24h 41m
PDX - SYD
$ 620
Kiwi
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7:46 AM - 11:55 AM
Alaska Airlines
1 Stops
18h 4m
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.