$636 Cheap Flights from Portland (PDX) to Perth (PER)

View $636 flight on Sat, Apr 25, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Perth Airport (PER)

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Cheap Flights from Portland to Perth (PDX-PER)

Prices were available within the past 7 days and start at $636 for one-way flights and $1,284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Nov 2 - Mon, Nov 9
PDX
Portland
PER
Perth
$1,284 Roundtrip, found 21 hours ago
$1,284
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Mon, Nov 2 from Portland to Perth, returning Mon, Nov 9, priced at $1,284 found 21 hours ago
Qantas Airways
Sat, Nov 7 - Sat, Nov 21
PDX
Portland
PER
Perth
$1,400 Roundtrip, found 2 days ago
$1,400
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Sat, Nov 7 from Portland to Perth, returning Sat, Nov 21, priced at $1,400 found 2 days ago
Air Canada
Wed, May 6 - Wed, May 13
PDX
Portland
PER
Perth
$1,404 Roundtrip, found 4 hours ago
$1,404
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Wed, May 6 from Portland to Perth, returning Wed, May 13, priced at $1,404 found 4 hours ago
Alaska Airlines
Tue, Nov 10 - Tue, Nov 24
PDX
Portland
PER
Perth
$1,424 Roundtrip, found 2 days ago
$1,424
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Nov 10 from Portland to Perth, returning Tue, Nov 24, priced at $1,424 found 2 days ago
Alaska Airlines
Mon, Nov 9 - Mon, Nov 23
PDX
Portland
PER
Perth
$1,434 Roundtrip, found 6 days ago
$1,434
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Nov 9 from Portland to Perth, returning Mon, Nov 23, priced at $1,434 found 6 days ago
Alaska Airlines
Tue, Nov 10 - Tue, Nov 24
PDX
Portland
PER
Perth
$1,434 Roundtrip, found 2 days ago
$1,434
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Nov 10 from Portland to Perth, returning Tue, Nov 24, priced at $1,434 found 2 days ago
Alaska Airlines
Tue, Nov 10 - Tue, Nov 24
PDX
Portland
PER
Perth
$1,441 Roundtrip, found 2 days ago
$1,441
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Nov 10 from Portland to Perth, returning Tue, Nov 24, priced at $1,441 found 2 days ago
Qatar Airways
Tue, Nov 10 - Tue, Nov 24
PDX
Portland
PER
Perth
$1,446 Roundtrip, found 2 days ago
$1,446
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Tue, Nov 10 from Portland to Perth, returning Tue, Nov 24, priced at $1,446 found 2 days ago
Alaska Airlines
Thu, Apr 23 - Wed, May 6
PDX
Portland
PER
Perth
$1,447 Roundtrip, found 3 days ago
$1,447
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Apr 23 from Portland to Perth, returning Wed, May 6, priced at $1,447 found 3 days ago
Air New Zealand
Tue, May 19 - Mon, Jun 1
PDX
Portland
PER
Perth
$1,620 Roundtrip, found 6 hours ago
$1,620
Roundtrip
found 6 hours ago
Select Air New Zealand flight, departing Tue, May 19 from Portland to Perth, returning Mon, Jun 1, priced at $1,620 found 6 hours ago

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Perth Airport (PER) cost?
Lock in a cheap one-way flight from $636 or cheap return flight from $1,284 from Portland Intl. Airport (PDX) to Perth Airport (PER) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Perth Airport (PER)?
Traveling in November can help you save, as it's the cheapest month for flights between PDX and PER. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Perth Airport (PER)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from PDX to PER. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Portland Intl. Airport (PDX) to Perth Airport (PER)?
You'll need to catch a flight with a layover when traveling from Portland Intl. Airport (PDX) to Perth Airport (PER). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from PDX to PER?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Perth Airport (PER)?
To arrive at Perth Airport (PER) on time, pick a flight that leaves from Portland Intl. Airport (PDX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Perth Airport (PER) last-minute?
Last-minute bookings from PDX to PER are typically more expensive. To lock in the best rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to score a cheap fare right before your trip.
Is it cheaper to book a PDX to PER flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to PER flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Perth Airport (PER)?
Generally, it's possible to reschedule or cancel your PDX to PER flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Perth
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, All Nippon Airways, American Airlines, Cathay Pacific, Hawaiian Airlines, Malaysia Airlines, Qantas Airways, Qatar Airways, United
Roundtrip price
$1,283
Distance
9219 mi

Book with confidence

Portland to Perth Flights

The cheapest times to fly from Portland to Perth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Perth are during the month of November. You can find some of the cheapest flights from Portland to Perth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Perth

Sunday is one of the best days to book for cheap flights from Portland to Perth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Perth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Perth in 2026. You can also book with separate airlines for your outbound and return journeys, from $636 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Perth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Perth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portland to Perth Flights

*Flight schedules are subject to change.

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