Find flights
When to book
FAQs

Cheap flights from Portland to Perth from $1,173

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — PER
28 Jun — 5 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Perth

Enter your travel dates to find the best prices.

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 29 May 2026.

Sun 4/1012:18
PDX
-
PER
2 stops39h 17m
Multiple Airlines
Mon 12/1022:45
PER
-
PDX
2 stops36h 09m
Multiple Airlines
Deal found 29/5$1,774
Tue 20/1010:51
PDX
-
PER
2 stops40h 44m
Qatar Airways
Fri 23/1022:45
PER
-
PDX
2 stops36h 09m
Qatar Airways
Deal found 24/5$2,142
Tue 14/712:03
PDX
-
PER
2 stops39h 32m
Qatar Airways
Tue 28/722:45
PER
-
PDX
2 stops33h 10m
Qatar Airways
Deal found 27/5$2,305
Sun 4/1014:34
PDX
-
PER
2 stops30h 51m
Qantas Airways
Mon 12/1022:55
PER
-
PDX
3 stops36h 55m
Qantas Airways
Deal found 26/5$2,394
Thu 9/713:14
PDX
-
PER
2 stops34h 26m
United Airlines
Thu 16/723:45
PER
-
PDX
2 stops36h 09m
United Airlines
Deal found 25/5$2,495
Tue 14/705:15
PDX
-
PER
3 stops40h 15m
United Airlines
Tue 28/715:30
PER
-
PDX
2 stops33h 50m
United Airlines
Deal found 27/5$2,716
Tue 14/715:30
PDX
-
PER
3 stops34h 25m
Air New Zealand
Tue 28/723:45
PER
-
PDX
3 stops32h 02m
Air New Zealand
Deal found 27/5$3,685
Sun 4/1013:05
PDX
-
PER
3 stops45h 15m
KLM
Mon 12/1020:30
PER
-
PDX
3 stops53h 40m
KLM
Deal found 29/5$4,784
Tue 14/713:05
PDX
-
PER
3 stops62h 45m
KLM
Tue 28/706:50
PER
-
PDX
3 stops43h 20m
KLM
Deal found 27/5$9,843

Find 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 29 May 2026.

Round-trip from

$1,774

One-way from

$1,173

Popular in

December

Cheapest in

September

Average price

$2,462
4/10-12/10
  • 4/10-12/10
  • 4 total stops
  • 75h 26m total
  • Portland to Perth
Search Deals
27/6
  • 27/6
  • 2 total stops
  • 29h 08m total
  • Portland to Perth
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($1,129 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($503 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 29 May 2026.
Use the filters below to find and compare flights from Portland to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 4/10

12:18-18:35

2 stops39h 17m

Perth

Mon 12/10

22:45-19:54

2 stops36h 09m

$1,774

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 20/10

10:51-18:35

2 stops40h 44m

Perth

Fri 23/10

22:45-19:54

2 stops36h 09m

$2,142
Fastest return journey

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 4/10

14:34-12:25

2 stops30h 51m

Perth

Mon 12/10

22:55-20:50

3 stops36h 55m

$2,394

PortlandPerth

PDX - PER

PDXPER

Portland

Thu 9/7

13:14-14:40

2 stops34h 26m

Perth

Thu 16/7

23:45-20:54

2 stops36h 09m

$2,495

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 14/7

05:15-12:30

3 stops40h 15m

Perth

Tue 28/7

15:30-10:20

2 stops33h 50m

$2,716

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 4/10

13:05-01:20

3 stops45h 15m

Perth

Mon 12/10

20:30-11:10

3 stops53h 40m

$4,784
Cheapest one-way
Fastest single journey

PortlandPerth

PDX - PER

PDXPER

Portland

Fri 25/9

15:33-12:05

2 stops29h 32m

$1,192

PortlandPerth

PDX - PER

PDXPER

Portland

Sat 3/10

18:00-17:00

2 stops32h 00m

$1,250

PortlandPerth

PDX - PER

PDXPER

Portland

Sat 27/6

05:15-12:30

3 stops40h 15m

$1,296

PortlandPerth

PDX - PER

PDXPER

Portland

Thu 9/7

14:39-19:30

3 stops37h 51m

$1,297

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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

How much does it cost for a return flight from Portland to Perth?

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 40h 44m. 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.

See more FAQs

Travelling to a place near Perth?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.