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Cheap flights from Washington to Perth from $764

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Perth departing on 30/11. 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

Find the cheapest flights from Washington to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:45 - 12:55PDX  Portland-PER Perth
26h 10m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
15:30 - 14:46PER  Perth-PDX Portland
38h 16m2 stops Sydney Kingsford Smith Vancouver Intl
$1,720Multiple Airlines
Sun, 6 Sep - Sat, 19 Sep
Air Canada Logo
19:10 - 20:20PDX  Portland-PER Perth
34h 10m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
15:15 - 09:26PER  Perth-PDX Portland
34h 11m2 stops Sydney Kingsford Smith Vancouver Intl
$1,765Air Canada
Mon, 26 Oct - Mon, 23 Nov
Air Canada Logo
15:15 - 20:20PDX  Portland-PER Perth
38h 05m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
15:15 - 09:26PER  Perth-PDX Portland
34h 11m2 stops Sydney Kingsford Smith Vancouver Intl
$1,767Air Canada
Mon, 26 Oct - Tue, 24 Nov
Air Canada Logo
19:10 - 15:55PDX  Portland-PER Perth
29h 45m2 stops Vancouver Intl Brisbane
Air Canada Logo
22:55 - 09:26PER  Perth-PDX Portland
26h 31m2 stops Sydney Kingsford Smith Vancouver Intl
$1,768Air Canada
Sun, 25 Oct - Tue, 24 Nov
Multiple Airlines Logo
19:45 - 15:00PDX  Portland-PER Perth
28h 15m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
22:40 - 14:46PER  Perth-PDX Portland
31h 06m2 stops Brisbane Vancouver Intl
$1,779Multiple Airlines
Sun, 30 Aug - Mon, 14 Sep
Singapore Airlines Logo
09:45 - 00:05SEA  Seattle/Tacoma Intl-PER Perth
23h 20m1 stop Singapore Changi
Singapore Airlines Logo
01:20 - 07:10PER  Perth-SEA Seattle/Tacoma Intl
21h 50m1 stop Singapore Changi
$1,806Singapore Airlines
Thu, 29 Oct - Mon, 30 Nov
Air Canada Logo
19:10 - 20:20PDX  Portland-PER Perth
34h 10m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
22:30 - 09:26PER  Perth-PDX Portland
26h 56m2 stops Brisbane Vancouver Intl
$1,812Air Canada
Mon, 26 Oct - Wed, 25 Nov
Multiple Airlines Logo
19:10 - 21:35PDX  Portland-PER Perth
35h 25m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
22:30 - 09:26PER  Perth-PDX Portland
26h 56m2 stops Brisbane Vancouver Intl
$1,813Multiple Airlines
Sun, 25 Oct - Wed, 25 Nov
Qatar Airways Logo
16:25 - 18:35SEA  Seattle/Tacoma Intl-PER Perth
35h 10m1 stop Doha Hamad Intl
Qatar Airways Logo
22:45 - 12:45PER  Perth-SEA Seattle/Tacoma Intl
29h 00m1 stop Doha Hamad Intl
$1,820Qatar Airways
Thu, 3 Sep - Thu, 17 Sep
Singapore Airlines Logo
10:15 - 23:55SEA  Seattle/Tacoma Intl-PER Perth
22h 40m1 stop Singapore Changi
Singapore Airlines Logo
17:05 - 07:10PER  Perth-SEA Seattle/Tacoma Intl
30h 05m1 stop Singapore Changi
$1,825Singapore Airlines
Thu, 22 Oct - Tue, 24 Nov

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Qatar Airways flights from State of Washington to Perth

Our best Qatar Airways deals on State of Washington to Perth flight tickets
Qatar Airways
3 Sept
SEA16:25Seattle/Tacoma Intl
35h 10m
1 stop
PER18:35Perth
17 Sept
PER22:45Perth
29h 00m
1 stop
SEA12:45Seattle/Tacoma Intl
$1,820
Qatar Airways
17 Aug
SEA16:25Seattle/Tacoma Intl
35h 10m
1 stop
PER18:35Perth
14 Sept
PER22:45Perth
29h 00m
1 stop
SEA12:45Seattle/Tacoma Intl
$1,825
Qatar Airways
24 Jan
SEA15:50Seattle/Tacoma Intl
34h 55m
1 stop
PER18:45Perth
15 Feb
PER22:45Perth
28h 55m
1 stop
SEA11:40Seattle/Tacoma Intl
$1,826

United Airlines flights from State of Washington to Perth

Our best United Airlines deals on State of Washington to Perth flight tickets
United Airlines
17 Aug
SEA19:35Seattle/Tacoma Intl
25h 55m
2 stops
PER12:30Perth
14 Sept
PER22:40Perth
37h 03m
2 stops
SEA20:43Seattle/Tacoma Intl
$2,034
United Airlines
17 Aug
SEA19:35Seattle/Tacoma Intl
25h 55m
2 stops
PER12:30Perth
14 Sept
PER22:40Perth
37h 03m
2 stops
SEA20:43Seattle/Tacoma Intl
$2,035
United Airlines
17 Aug
SEA19:35Seattle/Tacoma Intl
25h 55m
2 stops
PER12:30Perth
14 Sept
PER23:55Perth
36h 36m
3 stops
SEA21:31Seattle/Tacoma Intl
$2,040

momondo Fare Finder

 
Customise your flight search to find flights from State of Washington 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 10 August 2026.
Use the filters below to find and compare flights from Washington to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandPerth

PDX Portland - PER Perth

PDXPER

Portland

Sun 6/9

19:45-12:55

2 stops26h 10m

Perth

Sat 19/9

15:30-14:46

2 stops38h 16m

$1,720

PortlandPerth

PDX Portland - PER Perth

PDXPER

Portland

Mon 26/10

19:10-20:20

2 stops34h 10m

Perth

Mon 23/11

15:15-09:26

2 stops34h 11m

$1,765

PortlandPerth

PDX Portland - PER Perth

PDXPER

Portland

Mon 26/10

15:15-20:20

2 stops38h 05m

Perth

Tue 24/11

15:15-09:26

2 stops34h 11m

$1,767

PortlandPerth

PDX Portland - PER Perth

PDXPER

Portland

Sun 25/10

19:10-15:55

2 stops29h 45m

Perth

Tue 24/11

22:55-09:26

2 stops26h 31m

$1,768

PortlandPerth

PDX Portland - PER Perth

PDXPER

Portland

Sun 30/8

19:45-15:00

2 stops28h 15m

Perth

Mon 14/9

22:40-14:46

2 stops31h 06m

$1,779
Fastest return journey

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Thu 29/10

09:45-00:05

1 stop23h 20m

Perth

Mon 30/11

01:20-07:10

1 stop21h 50m

$1,806

PortlandPerth

PDX Portland - PER Perth

PDXPER

Portland

Mon 26/10

19:10-20:20

2 stops34h 10m

Perth

Wed 25/11

22:30-09:26

2 stops26h 56m

$1,812

PortlandPerth

PDX Portland - PER Perth

PDXPER

Portland

Sun 25/10

19:10-21:35

2 stops35h 25m

Perth

Wed 25/11

22:30-09:26

2 stops26h 56m

$1,813

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Thu 3/9

16:25-18:35

1 stop35h 10m

Perth

Thu 17/9

22:45-12:45

1 stop29h 00m

$1,820

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Thu 22/10

10:15-23:55

1 stop22h 40m

Perth

Tue 24/11

17:05-07:10

1 stop30h 05m

$1,825

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Perth from

How to get the cheapest flight ticket from State of Washington 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 month to fly to Perth?

The month of July is, on average, the cheapest month to fly to Perth from State of Washington, with most prices found around $0. If you’re not able to fly to Perth in July, then June is your next best option. Flight prices from State of Washington to Perth during June average around $1,741.

Can stopping save me money on State of Washington to Perth flights?

You could potentially save up to 3% on your flight if you consider stops on a State of Washington to Perth flight.

Cheap State of Washington to Perth flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Perth

Fastest flight time

22h 40m

Direct flights

None
The fastest flight from State of Washington to Perth takes 22h 40m
There are no direct flights from State of Washington to Perth. There are no popular flight routes from State of Washington to Perth.
Search flight deals

Frequently asked questions about flying from Washington to Perth

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

    Prices for flights from Washington to Perth Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington 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.

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 Washington to Perth?

It is quick and easy to find Washington to Perth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Perth that suits you.

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

Yes. momondo allows you to filter the results for Washington to Perth flights to just show those with flexible booking policies.

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

Once all potential Washington to Perth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Washington to Perth flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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