How long does it take to fly to Perth?

The flight from State of Washington to Perth depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to Perth (the most popular airport in Perth), then the flight time is 35h 15m on average. If you fly from Spokane (another popular airport in State of Washington) to Perth, then the average flight time is 37h 10m.

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

Cathay Pacific is the most popular carrier operating 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.

$691 Cheap Flights from Washington to Perth in 2025/26

1 adult

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Find the cheapest flights from Washington to Perth

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21:30 - 07:20

SEA

PER

41h 50m1 stop

08:40 - 19:40

PER

SEA

26h 00m1 stop

$1,507Philippine Airlines

Wed, 4 Mar - Thu, 12 Mar

10:15 - 23:55

SEA

PER

22h 40m1 stop

01:10 - 08:45

PER

SEA

22h 35m1 stop

$1,648Singapore Airlines

Tue, 7 Apr - Mon, 27 Apr

10:15 - 12:30

SEA

PER

35h 15m1 stop

01:10 - 16:54

PER

SEA

30h 44m2 stops

$1,788Multiple Airlines

Tue, 7 Apr - Mon, 27 Apr

19:55 - 07:45

SEA

PER

44h 50m2 stops

00:10 - 10:10

PER

SEA

25h 00m1 stop

$1,836Cathay Pacific

Tue, 7 Apr - Mon, 27 Apr

19:55 - 07:45

SEA

PER

44h 50m2 stops

00:10 - 07:08

PER

SEA

45h 58m2 stops

$1,858Cathay Pacific

Tue, 7 Apr - Mon, 27 Apr

16:50 - 22:55

SEA

PER

38h 05m2 stops

00:25 - 21:48

PER

SEA

36h 23m2 stops

$1,872Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

14:57 - 21:35

PDX

PER

38h 38m2 stops

16:55 - 22:08

PER

PDX

44h 13m2 stops

$2,225Qantas Airways

Sun, 1 Feb - Tue, 31 Mar

12:50 - 17:00

GEG

PER

37h 10m2 stops

06:20 - 20:34

PER

GEG

29h 14m2 stops

$2,341Qantas Airways

Tue, 5 May - Sat, 9 May

07:30 - 12:25

PDX

PER

37h 55m3 stops

15:25 - 20:33

PER

PDX

44h 08m2 stops

$2,922Air New Zealand

Tue, 17 Mar - Thu, 2 Apr

15:50 - 20:20

PDX

PER

36h 30m2 stops

13:35 - 16:28

PER

PDX

41h 53m3 stops

$3,134Air New Zealand

Sun, 1 Feb - Tue, 31 Mar

Philippine Airlines flights from State of Washington to Perth

Our best Philippine Airlines deals on State of Washington to Perth flight tickets

Philippine Airlines

4 Mar

SEA21:30Seattle/Tacoma Intl

41h 50m

1 stop

PER07:20Perth

12 Mar

PER08:40Perth

26h 00m

1 stop

SEA19:40Seattle/Tacoma Intl

$1,507

Find similar

Philippine Airlines

4 Mar

SEA11:40Seattle/Tacoma Intl

51h 40m

2 stops

PER07:20Perth

12 Mar

PER08:40Perth

26h 00m

1 stop

SEA19:40Seattle/Tacoma Intl

$1,792

Find similar

Singapore Airlines flights from State of Washington to Perth

Our best Singapore Airlines deals on State of Washington to Perth flight tickets

Singapore Airlines

7 Apr

SEA10:15Seattle/Tacoma Intl

22h 40m

1 stop

PER23:55Perth

27 Apr

PER01:10Perth

22h 35m

1 stop

SEA08:45Seattle/Tacoma Intl

$1,649

Find similar

Singapore Airlines

1 Feb

SEA08:45Seattle/Tacoma Intl

52h 40m

1 stop

PER05:25Perth

18 Mar

PER17:05Perth

30h 05m

1 stop

SEA08:10Seattle/Tacoma Intl

$1,939

Find similar

Singapore Airlines

7 Apr

SEA10:15Seattle/Tacoma Intl

59h 15m

1 stop

PER12:30Perth

28 Apr

PER17:10Perth

54h 35m

1 stop

SEA08:45Seattle/Tacoma Intl

$2,434

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 4/3

21:30-07:20

1 stop41h 50m

Perth

Thu 12/3

08:40-19:40

1 stop26h 00m

$1,507

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 7/4

10:15-23:55

1 stop22h 40m

Perth

Mon 27/4

01:10-08:45

1 stop22h 35m

$1,648

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 7/4

10:15-12:30

1 stop35h 15m

Perth

Mon 27/4

01:10-16:54

2 stops30h 44m

$1,788

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 7/4

19:55-07:45

2 stops44h 50m

Perth

Mon 27/4

00:10-10:10

1 stop25h 00m

$1,836

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 7/4

19:55-07:45

2 stops44h 50m

Perth

Mon 27/4

00:10-07:08

2 stops45h 58m

$1,858

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 4/3

16:50-22:55

2 stops38h 05m

Perth

Wed 11/3

00:25-21:48

2 stops36h 23m

$1,872

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 1/2

14:57-21:35

2 stops38h 38m

Perth

Tue 31/3

16:55-22:08

2 stops44h 13m

$2,225

SpokanePerth

GEG - PER

GEGPER

Spokane

Tue 5/5

12:50-17:00

2 stops37h 10m

Perth

Sat 9/5

06:20-20:34

2 stops29h 14m

$2,341

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 17/3

07:30-12:25

3 stops37h 55m

Perth

Thu 2/4

15:25-20:33

2 stops44h 08m

$2,922

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 1/2

15:50-20:20

2 stops36h 30m

Perth

Tue 31/3

13:35-16:28

3 stops41h 53m

$3,134

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Perth?

The month of September is, on average, the cheapest month to fly to Perth from State of Washington, with most prices found around $1,938. If you’re not able to fly to Perth in September, then February is your next best option. Flight prices from State of Washington to Perth during February average around $1,963.

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 59m
Direct flights	None

The fastest flight from State of Washington to Perth takes 27h 59m

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

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.

Fremantle

Mandurah

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.