$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 16 — Sep 231
Round-trip
1 adult, Economy
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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
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Best
Last-minute
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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 17, 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 17, 2026.
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Thu 11/127:10 pm -
2 stops27h 20m
Thu 3/1110:30 pm -
2 stops26h 55m
Deal found 8/16![Air Canada logo]()
$1,320
This oojo deal was found by Cheapflights users on 8/13. 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.
Thu 10/223:48 pm -
2 stops59h 57m
Sun 12/1310:45 pm -
2 stops32h 10m
Deal found 8/13![Qatar Airways logo]()
$1,373
This Cathay Pacific deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:03 am -
2 stops32h 47m
Sun 10/412:10 am -
2 stops28h 14m
Deal found 8/14![Multiple Airlines logo]()
$1,433
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Wed 10/2110:10 am -
2 stops37h 35m
Sun 10/2510:30 pm -
2 stops25h 56m
Deal found 8/12![Air Canada logo]()
$1,462
This Cathay Pacific deal was found by Cheapflights users on 8/17. 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 stops28h 14m
Deal found 8/17![Multiple Airlines logo]()
$1,484
This SmartFares deal was found by Cheapflights users on 8/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:18 pm -
2 stops35h 22m
Wed 10/78:20 am -
2 stops44h 33m
Deal found 8/16![Multiple Airlines logo]()
$1,509
This Booking.com deal was found by Cheapflights users on 8/16. 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 11/121:25 pm -
3 stops31h 05m
Thu 3/1111:50 pm -
2 stops34h 40m
Deal found 8/16![Air New Zealand logo]()
$1,607
This Qatar Airways deal was found by Cheapflights users on 8/16. 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.
Sat 10/247:09 am -
2 stops44h 36m
Tue 10/2710:45 pm -
2 stops39h 17m
Deal found 8/16![Qatar Airways logo]()
$1,623
This Gotogate deal was found by Cheapflights users on 8/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:19 am -
2 stops32h 31m
Tue 8/1810:30 am -
2 stops26h 29m
Deal found 8/12![Multiple Airlines logo]()
$1,662
This Booking.com deal was found by Cheapflights users on 8/16. 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 8/209:30 am -
2 stops30h 20m
Sat 8/2210:30 am -
2 stops28h 29m
Deal found 8/16![Multiple Airlines logo]()
$1,664
This Jetabroad deal was found by Cheapflights users on 8/14. 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.
Mon 9/285:55 pm -
2 stops32h 05m
Mon 10/510:55 pm -
3 stops36h 55m
Deal found 8/14![Qantas Airways logo]()
$1,893
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 17, 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 17, 2026.
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Thu 11/127:10 pm -
2 stops27h 20m
Thu 3/1110:30 pm -
2 stops26h 55m
Deal found 8/16![Air Canada logo]()
$1,320
This Cathay Pacific deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:03 am -
2 stops32h 47m
Sun 10/412:10 am -
2 stops28h 14m
Deal found 8/14![Multiple Airlines logo]()
$1,433
This Qatar Airways deal was found by Cheapflights users on 8/16. 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.
Sat 10/247:09 am -
2 stops44h 36m
Tue 10/2710:45 pm -
2 stops39h 17m
Deal found 8/16![Qatar Airways logo]()
$1,623
This CheapOair deal was found by Cheapflights users on 8/16. 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.
Thu 11/123:40 pm -
3 stops28h 50m
Thu 3/1111:10 pm -
3 stops35h 21m
Deal found 8/16![Air New Zealand logo]()
$1,642
This CheapOair deal was found by Cheapflights users on 8/13. 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 10/410:48 am -
2 stops40h 22m
Mon 10/1211:45 pm -
3 stops36h 05m
Deal found 8/13![Qantas Airways logo]()
$2,085
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Wed 10/2110:10 am -
2 stops37h 35m
Sun 10/2510:30 pm -
2 stops25h 56m
Deal found 8/12![Air Canada logo]()
$1,462
This Cathay Pacific deal was found by Cheapflights users on 8/13. 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 stops28h 14m
Deal found 8/13![Multiple Airlines logo]()
$1,484
This Booking.com deal was found by Cheapflights users on 8/16. 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 8/209:30 am -
2 stops30h 20m
Sat 8/2210:30 am -
2 stops28h 29m
Deal found 8/16![Multiple Airlines logo]()
$1,664
This CheapOair deal was found by Cheapflights users on 8/13. 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.
Thu 10/223:30 pm -
3 stops30h 05m
Sun 12/133:20 pm -
2 stops43h 11m
Deal found 8/13![Air New Zealand logo]()
$2,123
Last-minute flights from Portland to PerthDiscover last-minute flight deals from Portland to Perth. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Perth. Data last updated August 17, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/16. 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 8/209:30 am -
2 stops30h 20m
Sat 8/2210:30 am -
2 stops28h 29m
Deal found 8/16![Multiple Airlines logo]()
$1,664
This Cathay Pacific deal was found by Cheapflights users on 8/14. 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.
Mon 9/287:03 am -
2 stops32h 47m
Sun 10/412:10 am -
2 stops28h 14m
Deal found 8/14![Multiple Airlines logo]()
$1,433
This Jetabroad deal was found by Cheapflights users on 8/14. 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.
Mon 9/285:55 pm -
2 stops32h 05m
Mon 10/510:55 pm -
3 stops36h 55m
Deal found 8/14![Qantas Airways logo]()
$1,893
This SmartFares deal was found by Cheapflights users on 8/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:18 pm -
2 stops35h 22m
Wed 10/78:20 am -
2 stops44h 33m
Deal found 8/16![Multiple Airlines logo]()
$1,509
This CheapOair deal was found by Cheapflights users on 8/16. 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.
Wed 9/305:55 pm -
2 stops37h 00m
Wed 10/711:45 pm -
3 stops38h 31m
Deal found 8/16![Qantas Airways logo]()
$2,698
This KLM deal was found by Cheapflights users on 8/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:05 pm -
3 stops45h 15m
Wed 10/78:30 pm -
3 stops53h 40m
Deal found 8/16![KLM logo]()
$6,610
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 17, 2026.
Search for one-way flight options from Portland to Perth. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Cathay Pacific deal was found by Cheapflights users on 8/17. 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 8/17![Multiple Airlines logo]()
$783
This FlightHub deal was found by Cheapflights users on 8/17. 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 8/17![Cathay Pacific logo]()
$824
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 12/1810:49 am -
3 stops37h 36m
Deal found 8/14![Multiple Airlines logo]()
$1,600
This KLM deal was found by Cheapflights users on 8/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:05 pm -
3 stops45h 15m
Deal found 8/17![KLM logo]()
$2,670
This Qantas Airways deal was found by Cheapflights users on 8/17. 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.
Sat 10/36:18 pm -
3 stops29h 57m
Deal found 8/17![Multiple Airlines logo]()
$3,021
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,320 (Air Canada) |
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 2,558,603 searches. Data last updated August 17, 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
Thu 11/12
7:10 pm-2:30 pm
2 stops27h 20m
Perth
Thu 3/11
10:30 pm-9:25 am
2 stops26h 55m
$1,320
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Mon 9/28
7:03 am-6:50 am
2 stops32h 47m
Perth
Sun 10/4
12:10 am-1:24 pm
2 stops28h 14m
$1,433
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Wed 10/21
10:10 am-2:45 pm
2 stops37h 35m
Perth
Sun 10/25
10:30 pm-9:26 am
2 stops25h 56m
$1,462
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-1:24 pm
2 stops28h 14m
$1,484
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Sat 10/24
7:09 am-6:45 pm
2 stops44h 36m
Perth
Tue 10/27
10:45 pm-11:02 pm
2 stops39h 17m
$1,623
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Thu 11/12
3:40 pm-12:30 pm
3 stops28h 50m
Perth
Thu 3/11
11:10 pm-6:31 pm
3 stops35h 21m
$1,642
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Thu 8/20
9:30 am-6:50 am
2 stops30h 20m
Perth
Sat 8/22
10:30 am-11:59 pm
2 stops28h 29m
$1,664
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Sun 10/4
10:48 am-6:10 pm
2 stops40h 22m
Perth
Mon 10/12
11:45 pm-8:50 pm
3 stops36h 05m
$2,085
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Thu 10/22
3:30 pm-12:35 pm
3 stops30h 05m
Perth
Sun 12/13
3:20 pm-6:31 pm
2 stops43h 11m
$2,123
Cheapest one-way
Quickest one-way
PortlandPerth
PDX Portland - PER Perth
PDXPER
Portland
Sat 10/3
6:18 pm-10:40 pm
2 stops37h 22m
$783
Showing 1-10 of 14 resultsSorted 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 17, 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.
Overall
7.5
Crew
8.1
Entertainment
7.2
Boarding
7.7
Comfort
7.4
Food
7.0
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Overall
7.5
Crew
8.1
Entertainment
7.2
Boarding
7.7
Comfort
7.4
Food
7.0
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.
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Complete your trip
Complete your trip to Perth by adding a car rental and/or hotel reservation to your travel itinerary.
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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 17, 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 17, 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 17, 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 2,558,603 searches. Data last updated August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,426 | Average$1,448 | FlexibilityNo cancel fee | On-time74% |