Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Portland to Perth from $1,788

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Perth departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:00 - 05:10
PDX
-
PER
31h 10m
2 stops
Multiple Airlines Logo
13:45 - 09:47
PER
-
PDX
35h 02m
2 stops
$1,788Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
12:31 - 12:30
PDX
-
PER
32h 59m
2 stops
Multiple Airlines Logo
13:45 - 09:25
PER
-
PDX
34h 40m
2 stops
$1,813Multiple Airlines
Wed, 2 Sep - Wed, 16 Sep
Qatar Airways Logo
11:57 - 18:35
PDX
-
PER
39h 38m
2 stops
Qatar Airways Logo
22:45 - 14:55
PER
-
PDX
32h 10m
2 stops
$1,917Qatar Airways
Wed, 9 Sep - Mon, 7 Dec
Qatar Airways Logo
09:40 - 11:55
PDX
-
PER
35h 15m
2 stops
Qatar Airways Logo
22:45 - 14:55
PER
-
PDX
32h 10m
2 stops
$1,918Qatar Airways
Tue, 8 Sep - Mon, 7 Dec
Qatar Airways Logo
13:30 - 11:55
PDX
-
PER
31h 25m
2 stops
Qatar Airways Logo
22:45 - 14:55
PER
-
PDX
32h 10m
2 stops
$1,920Qatar Airways
Mon, 7 Sep - Mon, 7 Dec
Qatar Airways Logo
13:30 - 11:55
PDX
-
PER
31h 25m
2 stops
Qatar Airways Logo
22:45 - 18:33
PER
-
PDX
35h 48m
2 stops
$1,977Qatar Airways
Mon, 7 Sep - Sun, 6 Dec
Multiple Airlines Logo
12:31 - 12:30
PDX
-
PER
32h 59m
2 stops
Multiple Airlines Logo
01:10 - 20:31
PER
-
PDX
34h 21m
3 stops
$1,982Multiple Airlines
Wed, 2 Sep - Tue, 15 Sep
Air Canada Logo
19:05 - 21:40
PDX
-
PER
35h 35m
2 stops
Air Canada Logo
22:40 - 09:30
PER
-
PDX
25h 50m
2 stops
$1,988Air Canada
Mon, 27 Apr - Mon, 4 May
Multiple Airlines Logo
13:30 - 11:55
PDX
-
PER
31h 25m
2 stops
Multiple Airlines Logo
22:45 - 18:33
PER
-
PDX
35h 48m
2 stops
$1,994Multiple Airlines
Wed, 9 Sep - Sun, 6 Dec
Qatar Airways Logo
13:30 - 11:55
PDX
-
PER
31h 25m
2 stops
Qatar Airways Logo
22:45 - 18:33
PER
-
PDX
35h 48m
2 stops
$2,014Qatar Airways
Mon, 7 Sep - Tue, 8 Dec

Qatar Airways flights from Portland to Perth

Our best Qatar Airways deals on Portland to Perth flight tickets
Qatar Airways
9 Sept
PDX11:57Portland
39h 38m
2 stops
PER18:35Perth
7 Dec
PER22:45Perth
32h 10m
2 stops
PDX14:55Portland
$1,917
Qatar Airways
8 Sept
PDX09:40Portland
35h 15m
2 stops
PER11:55Perth
7 Dec
PER22:45Perth
32h 10m
2 stops
PDX14:55Portland
$1,918
Qatar Airways
7 Sept
PDX13:30Portland
31h 25m
2 stops
PER11:55Perth
7 Dec
PER22:45Perth
32h 10m
2 stops
PDX14:55Portland
$1,920

Qantas Airways flights from Portland to Perth

Our best Qantas Airways deals on Portland to Perth flight tickets
Qantas Airways
5 Sept
PDX14:56Portland
31h 49m
2 stops
PER13:45Perth
4 Dec
PER14:30Perth
25h 24m
2 stops
PDX23:54Portland
$2,026
Qantas Airways
5 Sept
PDX14:56Portland
29h 19m
2 stops
PER11:15Perth
6 Dec
PER14:30Perth
25h 24m
2 stops
PDX23:54Portland
$2,097
Qantas Airways
5 Sept
PDX14:56Portland
29h 19m
2 stops
PER11:15Perth
5 Dec
PER17:20Perth
46h 34m
2 stops
PDX23:54Portland
$2,154

momondo 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, momondo users made 78,305 searches. Data last updated 16 March 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

Wed 6/5

07:00-05:10

2 stops31h 10m

Perth

Wed 13/5

13:45-09:47

2 stops35h 02m

$1,788

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 2/9

12:31-12:30

2 stops32h 59m

Perth

Wed 16/9

13:45-09:25

2 stops34h 40m

$1,813

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 9/9

11:57-18:35

2 stops39h 38m

Perth

Mon 7/12

22:45-14:55

2 stops32h 10m

$1,917

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 8/9

09:40-11:55

2 stops35h 15m

Perth

Mon 7/12

22:45-14:55

2 stops32h 10m

$1,918

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 7/9

13:30-11:55

2 stops31h 25m

Perth

Mon 7/12

22:45-14:55

2 stops32h 10m

$1,920

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 7/9

13:30-11:55

2 stops31h 25m

Perth

Sun 6/12

22:45-18:33

2 stops35h 48m

$1,977

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 2/9

12:31-12:30

2 stops32h 59m

Perth

Tue 15/9

01:10-20:31

3 stops34h 21m

$1,982
Fastest return journey

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 27/4

19:05-21:40

2 stops35h 35m

Perth

Mon 4/5

22:40-09:30

2 stops25h 50m

$1,988

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 9/9

13:30-11:55

2 stops31h 25m

Perth

Sun 6/12

22:45-18:33

2 stops35h 48m

$1,994

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 7/9

13:30-11:55

2 stops31h 25m

Perth

Tue 8/12

22:45-18:33

2 stops35h 48m

$2,014

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Portland to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to Perth (PDX to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Perth

Fastest flight time

27h 48m

Direct flights

None
The fastest flight from Portland to Perth takes 27h 48m
There are no direct flights from Portland to Perth. There are no popular flight routes from Portland to Perth.
Search flight deals

  • How far is Portland to Perth by plane?

    Portland and Perth are 14830.2 km apart from one another. Flights usually cover this in 27h 48m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to Perth Airport?

    Prices for flights from Portland Airport to Perth Airport are updated daily.

  • How old do you have to be to fly from Portland Airport to Perth Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Portland to Perth?

    Confirm your travel details to search for the latest offers for flights from Portland to Perth. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Portland to Perth with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Perth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Perth?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Perth for you.

Can I find flights from Portland to Perth with flexible booking policies on momondo?

momondo does allow users to show only those flights to Perth from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Perth?

Once you have performed a search for Portland to Perth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portland to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Portland and alert you when they change.

An easier way to manage your Perth trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 15/4
Wed 22/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia