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Cheap flights from Washington to Perth from $1,019

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 1/11. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
16:25 - 18:35
SEA
-
PER
35h 10m
1 stop
Qatar Airways Logo
22:45 - 12:25
PER
-
SEA
28h 40m
1 stop
$1,726Qatar Airways
Wed, 30 Sep - Wed, 7 Oct
Qatar Airways Logo
16:25 - 18:35
SEA
-
PER
35h 10m
1 stop
Qatar Airways Logo
22:45 - 12:25
PER
-
SEA
28h 40m
1 stop
$1,733Qatar Airways
Mon, 17 Aug - Mon, 14 Sep
Multiple Airlines Logo
10:51 - 18:35
PDX
-
PER
40h 44m
2 stops
Multiple Airlines Logo
22:45 - 19:54
PER
-
PDX
36h 09m
2 stops
$1,748Multiple Airlines
Sun, 4 Oct - Mon, 12 Oct
Multiple Airlines Logo
16:25 - 18:35
SEA
-
PER
35h 10m
1 stop
Multiple Airlines Logo
22:45 - 20:32
PER
-
SEA
36h 47m
2 stops
$1,751Multiple Airlines
Mon, 17 Aug - Mon, 14 Sep
Singapore Airlines Logo
10:15 - 05:10
SEA
-
PER
27h 55m
1 stop
Singapore Airlines Logo
13:45 - 08:45
PER
-
SEA
34h 00m
1 stop
$1,755Singapore Airlines
Thu, 3 Sep - Sat, 3 Oct
Singapore Airlines Logo
10:15 - 05:10
SEA
-
PER
27h 55m
1 stop
Singapore Airlines Logo
13:45 - 08:45
PER
-
SEA
34h 00m
1 stop
$1,772Singapore Airlines
Thu, 3 Sep - Sat, 3 Oct
American Airlines Logo
12:49 - 13:35
GEG
-
PER
33h 46m
2 stops
American Airlines Logo
23:45 - 20:42
PER
-
GEG
35h 57m
2 stops
$2,030American Airlines
Sun, 2 Aug - Sun, 16 Aug
Qantas Airways Logo
12:49 - 17:00
GEG
-
PER
37h 11m
2 stops
Qantas Airways Logo
10:30 - 22:15
PER
-
GEG
26h 45m
2 stops
$2,152Qantas Airways
Thu, 2 Jul - Sat, 18 Jul
American Airlines Logo
12:53 - 13:35
GEG
-
PER
33h 42m
2 stops
American Airlines Logo
23:45 - 20:42
PER
-
GEG
35h 57m
2 stops
$2,168American Airlines
Thu, 6 Aug - Fri, 21 Aug
Qantas Airways Logo
12:49 - 17:00
GEG
-
PER
37h 11m
2 stops
Qantas Airways Logo
23:55 - 20:42
PER
-
GEG
35h 47m
2 stops
$2,215Qantas Airways
Thu, 2 Jul - Fri, 17 Jul

American Airlines flights from State of Washington to Perth

Our best American Airlines deals on State of Washington to Perth flight tickets
American Airlines
1 June
SEA14:40Seattle/Tacoma Intl
29h 35m
2 stops
PER11:15Perth
30 June
PER23:45Perth
29h 12m
2 stops
SEA13:57Seattle/Tacoma Intl
$1,929
American Airlines
1 June
SEA14:40Seattle/Tacoma Intl
30h 25m
2 stops
PER12:05Perth
8 June
PER23:45Perth
29h 12m
2 stops
SEA13:57Seattle/Tacoma Intl
$1,936
American Airlines
2 Aug
GEG12:49Spokane
33h 46m
2 stops
PER13:35Perth
16 Aug
PER23:45Perth
35h 57m
2 stops
GEG20:42Spokane
$2,030

Air New Zealand flights from State of Washington to Perth

Our best Air New Zealand deals on State of Washington to Perth flight tickets
Air New Zealand
30 July
GEG12:37Spokane
33h 58m
2 stops
PER13:35Perth
14 Aug
PER23:55Perth
60h 21m
3 stops
GEG21:16Spokane
$3,008
Air New Zealand
17 Sept
PDX10:10Portland
38h 50m
2 stops
PER16:00Perth
15 Dec
PER22:35Perth
32h 05m
3 stops
PDX14:40Portland
$3,266
Air New Zealand
2 July
GEG19:25Spokane
32h 45m
2 stops
PER19:10Perth
17 July
PER23:55Perth
57h 44m
3 stops
GEG18:39Spokane
$3,422

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 7 May 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

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 30/9

16:25-18:35

1 stop35h 10m

Perth

Wed 7/10

22:45-12:25

1 stop28h 40m

$1,726

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 17/8

16:25-18:35

1 stop35h 10m

Perth

Mon 14/9

22:45-12:25

1 stop28h 40m

$1,733

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 4/10

10:51-18:35

2 stops40h 44m

Perth

Mon 12/10

22:45-19:54

2 stops36h 09m

$1,748

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 17/8

16:25-18:35

1 stop35h 10m

Perth

Mon 14/9

22:45-20:32

2 stops36h 47m

$1,751
Fastest return journey

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 3/9

10:15-05:10

1 stop27h 55m

Perth

Sat 3/10

13:45-08:45

1 stop34h 00m

$1,755

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 3/9

10:15-05:10

1 stop27h 55m

Perth

Sat 3/10

13:45-08:45

1 stop34h 00m

$1,772

SpokanePerth

GEG - PER

GEGPER

Spokane

Sun 2/8

12:49-13:35

2 stops33h 46m

Perth

Sun 16/8

23:45-20:42

2 stops35h 57m

$2,030

SpokanePerth

GEG - PER

GEGPER

Spokane

Thu 2/7

12:49-17:00

2 stops37h 11m

Perth

Sat 18/7

10:30-22:15

2 stops26h 45m

$2,152

SpokanePerth

GEG - PER

GEGPER

Spokane

Thu 6/8

12:53-13:35

2 stops33h 42m

Perth

Fri 21/8

23:45-20:42

2 stops35h 57m

$2,168

SpokanePerth

GEG - PER

GEGPER

Spokane

Thu 2/7

12:49-17:00

2 stops37h 11m

Perth

Fri 17/7

23:55-20:42

2 stops35h 47m

$2,215

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 October is, on average, the cheapest month to fly to Perth from State of Washington, with most prices found around $1,599. If you’re not able to fly to Perth in October, then December is your next best option. Flight prices from State of Washington to Perth during December average around $1,617.

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

You could potentially save up to 2% 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

27h 50m

Direct flights

None
The fastest flight from State of Washington to Perth takes 27h 50m
There are no direct flights from State of Washington to Perth. There are no popular flight routes from State of Washington to Perth.
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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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