Earn point on your loyalty program!arrow arc left

Cheap flights from Portland (PDX) to Perth (PER)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Portland (PDX) to Perth (PER)

How to find the cheapest flight from Portland (PDX) to Perth (PER)
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 Perth (PER)
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 Perth (PER)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Portland to Perth in September , October 2026

29 Sep - 21 Oct $ 1,610.00
PDX
Portland
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
30 Sep - 21 Oct $ 1,613.00
PDX
Portland
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
29 Sep - 27 Oct $ 1,646.00
PDX
Portland
Alaska Airlines
3 STOPS
PER
Perth
PER
Perth
Alaska Airlines
3 STOPS
PDX
Portland
Pick dates

Last minute flights from Portland to Perth

28 Sep - 01 Oct $ 1,945.00
PDX
Portland
Starlux Airlines
3 STOPS
PER
Perth
PER
Perth
Starlux Airlines
3 STOPS
PDX
Portland
Pick dates
28 Sep - 01 Oct $ 1,981.00
PDX
Portland
Starlux Airlines
3 STOPS
PER
Perth
PER
Perth
Starlux Airlines
3 STOPS
PDX
Portland
Pick dates
27 Sep - 01 Oct $ 2,002.00
PDX
Portland
Starlux Airlines
3 STOPS
PER
Perth
PER
Perth
Starlux Airlines
3 STOPS
PDX
Portland
Pick dates

One-way flights to Perth from Portland

9:32 PM - 11:10 PM
Scoot
3 Stops
39h 48m
PDX - PER
$ 883
Kiwi
Pick dates
9:32 PM - 11:10 PM
Scoot
3 Stops
39h 48m
PDX - PER
$ 886
Kiwi
Pick dates
8:18 PM - 10:10 PM
AirAsia
3 Stops
40h 27m
PDX - PER
$ 887
Kiwi
Pick dates

How to find the cheapest flight from Portland (PDX) to Perth (PER)

Related info for your journey
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 Perth (PER)
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 Perth (PER)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.