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Cheap flights from Portland to Perth from $2,011

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — PER
1 Sep — 8 Sep1
1 adult

Cheap flight deals from Portland to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 August 2025.

Round-trip from

$2,011

Popular in

May

Cheapest in

September

Average price

$2,403
Qatar Airways
  • Qatar Airways
  • 16/9-24/9
  • 4 total stops
  • 78h 03m total
  • Portland to Perth
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($315 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($92 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Portland to Perth

Cheapest flights from Portland to Perth
Explore the most affordable flight options available from Portland to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Tue 16/913:24PDX - PER
2 stops31h 31mQatar Airways
Wed 24/922:45PER - PDX
2 stops46h 32mQatar Airways
Deal found 24/8$2,011
Tue 14/1022:00PDX - PER
2 stops53h 40mQatar Airways
Tue 4/1122:45PER - PDX
2 stops33h 46mQatar Airways
Deal found 25/8$2,021
Sun 21/913:24PDX - PER
2 stops38h 16mQatar Airways
Sat 4/1022:45PER - PDX
2 stops46h 35mQatar Airways
Deal found 25/8$2,079
Tue 14/1007:45PDX - PER
2 stops47h 55mCathay Pacific
Mon 3/1100:15PER - PDX
2 stops32h 57mCathay Pacific
Deal found 25/8$2,139
Mon 24/1117:41PDX - PER
2 stops37h 09mCathay Pacific
Mon 30/300:10PER - PDX
2 stops48h 39mCathay Pacific
Deal found 24/8$2,152
Mon 24/1116:30PDX - PER
2 stops30h 15mMultiple Airlines
Tue 31/313:45PER - PDX
2 stops34h 47mMultiple Airlines
Deal found 24/8$2,179
Sun 21/911:03PDX - PER
2 stops53h 42mCathay Pacific
Fri 3/1000:10PER - PDX
2 stops62h 14mCathay Pacific
Deal found 25/8$2,232

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 27 August 2025.
Use the filters below to find and compare flights from Portland to Perth that are best for you.

Fly from

Portland

Fly to

Perth

Route

Depart

Return

Price

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 16/9

13:24-11:55

2 stops31h 31m

Perth

Wed 24/9

22:45-06:17

2 stops46h 32m

$2,011

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 14/10

22:00-18:40

2 stops53h 40m

Perth

Tue 4/11

22:45-16:31

2 stops33h 46m

$2,021

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 21/9

13:24-18:40

2 stops38h 16m

Perth

Sat 4/10

22:45-06:20

2 stops46h 35m

$2,079

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 14/10

07:45-22:40

2 stops47h 55m

Perth

Mon 3/11

00:15-17:12

2 stops32h 57m

$2,139

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 24/11

17:41-22:50

2 stops37h 09m

Perth

Mon 30/3

00:10-09:49

2 stops48h 39m

$2,152

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 24/11

16:30-14:45

2 stops30h 15m

Perth

Tue 31/3

13:45-09:32

2 stops34h 47m

$2,179

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Best time to book a flight from Portland to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Portland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Perth

What is the cheapest month to book a flight from Portland to Perth?

Currently, May is the cheapest month in which you can book a flight from Portland to Perth (average of $286). Flying from Portland to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portland to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Perth?

    Airlines like Qatar Airways fly from Portland to Perth in about 31h 31m. The time it takes to get you to your destination can typically vary by up to . The distance from Portland to Perth is about 14828 km.

  • Can I find deals for flights from Portland to Perth that include hotel bookings?

    Yes. In addition to deals on Portland to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Perth.

  • Can I find deals for business class flights from Portland to Perth?

    Yes. Cheapflights offers flight deals from Portland to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Perth?

    Currently, May is the cheapest month in which you can book a flight from Portland to Perth (average of $286). Flying from Portland to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Scarborough
Fremantle
Rottnest Island

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How does Cheapflights help users find flights from Portland to Perth?

Cheapflights makes it easy to find Portland to Perth flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portland to Perth?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Perth from Portland.

Can Cheapflights find flights from Portland to Perth with no change fees?

Yes, we can. To see specific flights from Portland to Perth with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Portland to Perth become cheaper?

Yes, Cheapflights offers price alerts on Portland to Perth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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