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Cheap flights from Portland to Perth from $859

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Perth departing on 5/4. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 11:55
PDX
-
PER
37h 55m
2 stops
Multiple Airlines Logo
22:45 - 18:05
PER
-
PDX
34h 20m
2 stops
$1,932Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Qantas Airways Logo
17:38 - 19:45
PDX
-
PER
35h 07m
2 stops
Qantas Airways Logo
22:45 - 21:52
PER
-
PDX
38h 07m
2 stops
$2,038Qantas Airways
Sun, 8 Mar - Wed, 11 Mar
Qatar Airways Logo
09:00 - 11:55
PDX
-
PER
35h 55m
2 stops
Qatar Airways Logo
15:40 - 16:52
PER
-
PDX
40h 12m
2 stops
$2,183Qatar Airways
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
14:30 - 14:45
PDX
-
PER
32h 15m
2 stops
Multiple Airlines Logo
01:15 - 20:53
PER
-
PDX
34h 38m
3 stops
$2,583Multiple Airlines
Wed, 4 Mar - Tue, 10 Mar
Multiple Airlines Logo
19:05 - 14:40
PDX
-
PER
28h 35m
2 stops
Multiple Airlines Logo
19:50 - 16:30
PER
-
PDX
35h 40m
3 stops
$2,980Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
21:30 - 07:20
PDX
-
PER
41h 50m
2 stops
Multiple Airlines Logo
08:40 - 09:35
PER
-
PDX
39h 55m
2 stops
$11,295Multiple Airlines
Fri, 6 Mar - Sat, 21 Mar
Multiple Airlines Logo
10:45 - 07:20
PDX
-
PER
52h 35m
3 stops
Multiple Airlines Logo
08:40 - 16:52
PER
-
PDX
47h 12m
3 stops
$18,561Multiple Airlines
Fri, 6 Mar - Sat, 21 Mar
Multiple Airlines Logo
13:36 - 10:05
PDX
-
PER
28h 29m
3 stops
Multiple Airlines Logo
08:00 - 20:39
PER
-
PDX
27h 39m
2 stops
$22,902Multiple Airlines
Fri, 6 Mar - Sat, 21 Mar

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 17 February 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

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 4/3

06:00-11:55

2 stops37h 55m

Perth

Wed 11/3

22:45-18:05

2 stops34h 20m

$1,932

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 8/3

17:38-19:45

2 stops35h 07m

Perth

Wed 11/3

22:45-21:52

2 stops38h 07m

$2,038

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 1/4

09:00-11:55

2 stops35h 55m

Perth

Wed 8/4

15:40-16:52

2 stops40h 12m

$2,183

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 4/3

14:30-14:45

2 stops32h 15m

Perth

Tue 10/3

01:15-20:53

3 stops34h 38m

$2,583

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 1/4

19:05-14:40

2 stops28h 35m

Perth

Wed 8/4

19:50-16:30

3 stops35h 40m

$2,980

PortlandPerth

PDX - PER

PDXPER

Portland

Fri 6/3

21:30-07:20

2 stops41h 50m

Perth

Sat 21/3

08:40-09:35

2 stops39h 55m

$11,295

PortlandPerth

PDX - PER

PDXPER

Portland

Fri 6/3

10:45-07:20

3 stops52h 35m

Perth

Sat 21/3

08:40-16:52

3 stops47h 12m

$18,561

PortlandPerth

PDX - PER

PDXPER

Portland

Fri 6/3

13:36-10:05

3 stops28h 29m

Perth

Sat 21/3

08:00-20:39

2 stops27h 39m

$22,902

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 5/4

06:00-04:15

2 stops31h 15m

$859

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 5/4

17:14-17:10

3 stops56h 56m

$878

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

35h 55m

Direct flights

None
The fastest flight from Portland to Perth takes 35h 55m
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 35h 55m, 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
Fremantle
Mandurah
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

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