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 August , September 2026

30 Aug - 15 Sep $ 1,552.00
PDX
Portland
Air Canada
2 STOPS
PER
Perth
PER
Perth
Air Canada
2 STOPS
PDX
Portland
Pick dates
30 Aug - 09 Sep $ 1,981.00
PDX
Portland
Alaska Airlines
2 STOPS
PER
Perth
PER
Perth
Alaska Airlines
2 STOPS
PDX
Portland
Pick dates
25 Aug - 05 Sep $ 4,029.00
PDX
Portland
Qantas
2 STOPS
PER
Perth
PER
Perth
Qantas
2 STOPS
PDX
Portland
Pick dates

Last minute flights from Portland to Perth

25 Aug - 01 Sep $ 1,676.00
PDX
Portland
Cathay Pacific
3 STOPS
PER
Perth
PER
Perth
Cathay Pacific
3 STOPS
PDX
Portland
Pick dates
23 Aug - 31 Aug $ 2,517.00
PDX
Portland
Qantas
2 STOPS
PER
Perth
PER
Perth
Qantas
2 STOPS
PDX
Portland
Pick dates
25 Aug - 31 Aug $ 3,902.00
PDX
Portland
Qantas
2 STOPS
PER
Perth
PER
Perth
Qantas
2 STOPS
PDX
Portland
Pick dates

One-way flights to Perth from Portland

8:18 PM - 3:00 PM
Cathay Pacific
2 Stops
35h 22m
PDX - PER
$ 756
Kiwi
Pick dates
8:18 PM - 3:00 PM
Cathay Pacific
2 Stops
35h 22m
PDX - PER
$ 757
Kiwi
Pick dates
11:22 AM - 1:00 AM
VietJet Air
3 Stops
30h 33m
PDX - PER
$ 773
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.