Cheap flights from Portland to Perth from $850

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 9/25. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Perth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:18 pm - 6:35 pm
PDX
-
PER
39h 17m
2 stops
Multiple Airlines Logo
10:45 pm - 5:00 pm
PER
-
PDX
33h 15m
2 stops
$1,264Multiple Airlines
Sun, Oct 4 - Mon, Oct 12
Qatar Airways Logo
12:18 pm - 6:35 pm
PDX
-
PER
39h 17m
2 stops
Qatar Airways Logo
10:45 pm - 11:02 pm
PER
-
PDX
39h 17m
2 stops
$1,373Qatar Airways
Thu, Oct 22 - Mon, Oct 26
Qatar Airways Logo
12:18 pm - 6:35 pm
PDX
-
PER
39h 17m
2 stops
Qatar Airways Logo
10:45 pm - 11:02 pm
PER
-
PDX
39h 17m
2 stops
$1,374Qatar Airways
Thu, Oct 22 - Mon, Oct 26
Multiple Airlines Logo
5:37 pm - 3:25 pm
PDX
-
PER
30h 48m
2 stops
Multiple Airlines Logo
10:30 am - 8:48 pm
PER
-
PDX
25h 18m
2 stops
$1,731Multiple Airlines
Wed, Jul 15 - Sun, Jul 19
Qantas Airways Logo
5:00 pm - 5:00 pm
PDX
-
PER
33h 00m
2 stops
Qantas Airways Logo
10:55 pm - 8:50 pm
PER
-
PDX
36h 55m
3 stops
$1,904Qantas Airways
Sun, Oct 4 - Mon, Oct 12
Multiple Airlines Logo
7:15 am - 5:10 am
PDX
-
PER
30h 55m
2 stops
Multiple Airlines Logo
1:10 am - 10:58 pm
PER
-
PDX
36h 48m
3 stops
$1,983Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
Multiple Airlines Logo
7:15 am - 5:10 am
PDX
-
PER
30h 55m
2 stops
Multiple Airlines Logo
1:10 am - 10:58 pm
PER
-
PDX
36h 48m
3 stops
$1,984Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
United Airlines Logo
8:35 am - 12:30 pm
PDX
-
PER
36h 55m
2 stops
United Airlines Logo
3:30 pm - 10:20 am
PER
-
PDX
33h 50m
2 stops
$2,011United Airlines
Fri, Jul 10 - Sat, Jul 18
United Airlines Logo
5:15 am - 2:40 pm
PDX
-
PER
42h 25m
3 stops
United Airlines Logo
11:55 pm - 10:20 am
PER
-
PDX
25h 25m
2 stops
$2,057United Airlines
Wed, Jul 15 - Sun, Jul 19
United Airlines Logo
5:15 am - 2:40 pm
PDX
-
PER
42h 25m
3 stops
United Airlines Logo
3:30 pm - 5:44 pm
PER
-
PDX
41h 14m
2 stops
$2,164United Airlines
Fri, Jul 10 - Sat, Jul 18

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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.

Qatar Airways flights from Portland to Perth

Our best Qatar Airways deals on Portland to Perth flight tickets
Qatar Airways
Oct 22
PDX12:18 pmPortland
39h 17m
2 stops
PER6:35 pmPerth
Oct 26
PER10:45 pmPerth
39h 17m
2 stops
PDX11:02 pmPortland
$1,373
Qatar Airways
Oct 22
PDX12:18 pmPortland
39h 17m
2 stops
PER6:35 pmPerth
Oct 26
PER10:45 pmPerth
39h 17m
2 stops
PDX11:02 pmPortland
$1,374

United Airlines flights from Portland to Perth

Our best United Airlines deals on Portland to Perth flight tickets
United Airlines
Jul 15
PDX11:16 amPortland
36h 24m
2 stops
PER2:40 pmPerth
Jul 19
PER11:45 pmPerth
36h 09m
2 stops
PDX8:54 pmPortland
$1,878
United Airlines
Jul 15
PDX5:15 amPortland
39h 25m
3 stops
PER11:40 amPerth
Jul 19
PER11:45 pmPerth
27h 23m
2 stops
PDX12:08 pmPortland
$1,893
United Airlines
Jul 10
PDX8:35 amPortland
36h 55m
2 stops
PER12:30 pmPerth
Jul 18
PER3:30 pmPerth
33h 50m
2 stops
PDX10:20 amPortland
$2,011

momondo 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, momondo users made 832,500 searches. Data last updated June 15, 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 round-trip

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 10/4

12:18 pm-6:35 pm

2 stops39h 17m

Perth

Mon 10/12

10:45 pm-5:00 pm

2 stops33h 15m

$1,264

PortlandPerth

PDX - PER

PDXPER

Portland

Thu 10/22

12:18 pm-6:35 pm

2 stops39h 17m

Perth

Mon 10/26

10:45 pm-11:02 pm

2 stops39h 17m

$1,373

PortlandPerth

PDX - PER

PDXPER

Portland

Thu 10/22

12:18 pm-6:35 pm

2 stops39h 17m

Perth

Mon 10/26

10:45 pm-11:02 pm

2 stops39h 17m

$1,374
Quickest round-trip

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 7/15

5:37 pm-3:25 pm

2 stops30h 48m

Perth

Sun 7/19

10:30 am-8:48 pm

2 stops25h 18m

$1,731

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 10/4

5:00 pm-5:00 pm

2 stops33h 00m

Perth

Mon 10/12

10:55 pm-8:50 pm

3 stops36h 55m

$1,904

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 10/4

7:15 am-5:10 am

2 stops30h 55m

Perth

Sun 10/11

1:10 am-10:58 pm

3 stops36h 48m

$1,983

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 10/4

7:15 am-5:10 am

2 stops30h 55m

Perth

Sun 10/11

1:10 am-10:58 pm

3 stops36h 48m

$1,984

PortlandPerth

PDX - PER

PDXPER

Portland

Fri 7/10

8:35 am-12:30 pm

2 stops36h 55m

Perth

Sat 7/18

3:30 pm-10:20 am

2 stops33h 50m

$2,011

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 7/15

5:15 am-2:40 pm

3 stops42h 25m

Perth

Sun 7/19

11:55 pm-10:20 am

2 stops25h 25m

$2,057

PortlandPerth

PDX - PER

PDXPER

Portland

Fri 7/10

5:15 am-2:40 pm

3 stops42h 25m

Perth

Sat 7/18

3:30 pm-5:44 pm

2 stops41h 14m

$2,164

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Perth from

How to get the cheapest flight ticket from Portland to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Portland to Perth?

Qantas Airways and Philippine Airlines are the most popular carriers operating from Portland to Perth

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 round-trip 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

36h 55m

Direct flights

None
The fastest flight from Portland to Perth takes 36h 55m
There are no direct flights from Portland to Perth. There are no popular flight routes from Portland to Perth.

Frequently asked questions about flying from Portland to Perth

  • How far is Portland to Perth by plane?

    Perth is 9215.1 mi away from Portland. In terms of flight time, this usually takes a little over 36h 55m.

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

    Prices for flights from Portland Airport to Perth Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Perth Airport?

  • 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 layovers. 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 required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Portland to Perth?

Best airlines flying from Portland to Perth

Compare and see reviews for airlines that fly from Portland to Perth with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $1,426Free CancellationRating
7.5
1,046 reviews
Search Qantas Airways flights

Traveling to a place near Perth?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Perth from Portland.

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

All flight searches from Portland to Perth on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and Perth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/15
Wed 7/22

Find better results for your trip to Australia