$783+ Cheap flights from Portland (PDX) to Perth (PER)
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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — PER
Sep 25 — Oct 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Perth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Perth
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to PerthExplore 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 August 26, 2026.
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 August 26, 2026.
This Cathay Pacific deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:03 am -
2 stops32h 47m
Sun 10/1112:10 am -
2 stops31h 24m
Deal found 8/25![Multiple Airlines logo]()
$1,485
This Air Canada deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:10 pm -
2 stops33h 10m
Thu 11/510:30 pm -
2 stops38h 16m
Deal found 8/24![Air Canada logo]()
$1,513
This Booking.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:30 pm -
2 stops42h 20m
Thu 10/158:20 am -
2 stops27h 13m
Deal found 8/24![Multiple Airlines logo]()
$1,723
This Aunt Betty deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:03 am -
2 stops32h 47m
Fri 10/168:20 am -
2 stops40h 09m
Deal found 8/25![Multiple Airlines logo]()
$1,742
This CheapOair deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:18 pm -
2 stops33h 52m
Mon 10/1210:55 pm -
3 stops36h 55m
Deal found 8/22![Qantas Airways logo]()
$1,966
This Jetabroad deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1910:30 am -
2 stops40h 15m
Sat 1/24:05 pm -
2 stops43h 45m
Deal found 8/23![Qatar Airways logo]()
$2,743
This KAYAK deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:15 pm -
2 stops39h 05m
Thu 12/3111:45 pm -
2 stops34h 35m
Deal found 8/23![Air New Zealand logo]()
$2,792
This Qatar Airways deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:33 pm -
2 stops55h 12m
Wed 12/3010:45 pm -
2 stops37h 05m
Deal found 8/23![Qatar Airways logo]()
$2,793
Best flights from Portland to PerthDiscover carefully curated flight deals from Portland to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Portland to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This Cathay Pacific deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:03 am -
2 stops32h 47m
Sun 10/1112:10 am -
2 stops31h 24m
Deal found 8/26![Multiple Airlines logo]()
$1,485
This Air Canada deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:10 pm -
2 stops33h 10m
Thu 11/510:30 pm -
2 stops38h 16m
Deal found 8/23![Air Canada logo]()
$1,513
This Booking.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:30 pm -
2 stops42h 20m
Thu 10/158:20 am -
2 stops27h 13m
Deal found 8/24![Multiple Airlines logo]()
$1,723
This Mytrip deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:48 pm -
3 stops49h 12m
Fri 10/165:55 pm -
2 stops33h 15m
Deal found 8/25![Multiple Airlines logo]()
$2,751
This oojo deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:15 pm -
2 stops33h 50m
Wed 12/166:40 am -
2 stops31h 53m
Deal found 8/24![Multiple Airlines logo]()
$2,942
This BusinessClass deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:48 am -
2 stops34h 42m
Wed 10/211:45 pm -
2 stops34h 46m
Deal found 8/22![Multiple Airlines logo]()
$3,170
Last-minute flights from Portland to PerthDiscover last-minute flight deals from Portland to Perth. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Perth. Data last updated August 26, 2026 and is based on user searches.
This BusinessClass deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:48 am -
2 stops34h 42m
Wed 10/211:45 pm -
2 stops34h 46m
Deal found 8/22![Multiple Airlines logo]()
$3,170
One-way flights from Portland to PerthSearch for one-way flight options from Portland to Perth. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Portland to Perth. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Cathay Pacific deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:55 pm -
2 stops37h 45m
Deal found 8/25![Multiple Airlines logo]()
$783
This Cathay Pacific deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:18 pm -
2 stops45h 32m
Deal found 8/22![Multiple Airlines logo]()
$796
This FlightHub deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:18 pm -
2 stops45h 32m
Deal found 8/25![Cathay Pacific logo]()
$824
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/249:35 pm -
2 stops54h 05m
Deal found 8/21![Multiple Airlines logo]()
$2,914
This Qantas Airways deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:33 pm -
3 stops30h 12m
Deal found 8/23![Qantas Airways logo]()
$3,342
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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,485 (Cathay Pacific) |
One-way from | $783 (Cathay Pacific) |
Cheapflights Fare Finder
Customize 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 7,457,451 searches. Data last updated August 26, 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
Cheapest round-trip
Quickest round-trip
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Sun 10/4
7:03 am-6:50 am
2 stops32h 47m
Perth
Sun 10/11
12:10 am-4:34 pm
2 stops31h 24m
$1,485
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Mon 11/2
7:10 pm-8:20 pm
2 stops33h 10m
Perth
Thu 11/5
10:30 pm-8:46 pm
2 stops38h 16m
$1,513
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Thu 10/8
9:30 pm-6:50 am
2 stops42h 20m
Perth
Thu 10/15
8:20 am-8:33 pm
2 stops27h 13m
$1,723
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Fri 10/9
3:48 pm-8:00 am
3 stops49h 12m
Perth
Fri 10/16
5:55 pm-12:10 pm
2 stops33h 15m
$2,751
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Mon 11/16
10:15 pm-12:05 am
2 stops33h 50m
Perth
Wed 12/16
6:40 am-10:33 pm
2 stops31h 53m
$2,942
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Mon 9/21
10:48 am-12:30 pm
2 stops34h 42m
Perth
Wed 10/21
1:45 pm-9:31 am
2 stops34h 46m
$3,170
Cheapest one-way
Quickest one-way
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Fri 9/25
5:55 pm-10:40 pm
2 stops37h 45m
$783
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Sat 10/3
6:18 pm-6:50 am
2 stops45h 32m
$796
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Thu 12/24
9:35 pm-7:40 pm
2 stops54h 05m
$2,914
Sorted by cheapest first
Compare providers for flights from Portland to Perth
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Perth in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Perth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Perth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
PDX-PER
Estimated round-trip 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.
Reviews of airlines servicing Perth
Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated August 26, 2026.
Read through reviews of airlines operating flights from Portland to Perth, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.4
Entertainment
7.2
Overall
7.5
Food
7.0
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Comfort
7.4
Entertainment
7.2
Overall
7.5
Food
7.0
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
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.
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.
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Perth flight routes
Popular flights
Complete your trip
Complete your trip to Perth by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Perth by cabin class
Find flights from Portland to Perth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Perth flights
Browse other Portland and Perth flight options. Last updated on August 26, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Other flights to Perth
Explore flights to Perth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Portland to Perth
Discover the top airline that operate flights from Portland to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,431 | Average$1,448 | FlexibilityNo cancel fee | On-time74% |