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

Philippine Airlines, United Airlines, and Qatar Airways are the most popular carriers operating from Washington to Perth

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 23h 10m on average. If you fly from Spokane (another popular airport in State of Washington) to Perth, then the average flight time is 27h 46m.

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.

$918 Cheap Flights from Washington to Perth in 2025

1 adult

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Find the cheapest flights from Washington to Perth

Round-trip

One-way

Last minute

Cheap return flights

00:10 - 16:35SEA-PER

49h 25m2 stops

05:35 - 13:55PER-SEA

48h 20m2 stops

$1,535

Find Deal

Tue, 28 Oct - Mon, 3 Nov

08:45 - 05:25SEA-PER

28h 40m1 stop

01:10 - 07:10PER-SEA

22h 00m1 stop

$1,745Singapore Airlines

Find Deal

Thu, 13 Nov - Thu, 20 Nov

22:30 - 07:20SEA-PER

41h 50m1 stop

08:40 - 19:16PER-SEA

26h 36m2 stops

$1,763

Find Deal

Wed, 29 Oct - Mon, 3 Nov

20:00 - 21:35SEA-PER

34h 35m2 stops

16:45 - 19:16PER-SEA

42h 31m2 stops

$1,776Air Canada

Find Deal

Wed, 29 Oct - Mon, 3 Nov

18:05 - 17:05SEA-PER

32h 00m2 stops

10:30 - 21:58PER-SEA

26h 28m2 stops

$1,875Qantas Airways

Find Deal

Sat, 6 Sep - Sat, 20 Sep

17:36 - 22:40PDX-PER

38h 04m2 stops

09:15 - 09:47PER-PDX

39h 32m2 stops

$1,909Cathay Pacific

Find Deal

Tue, 16 Sep - Wed, 24 Sep

19:05 - 22:40SEA-PER

36h 35m2 stops

00:10 - 19:06PER-SEA

33h 56m2 stops

$1,920Cathay Pacific

Find Deal

Wed, 24 Sep - Tue, 30 Sep

16:59 - 13:35SEA-PER

29h 36m2 stops

12:25 - 23:42PER-SEA

26h 17m2 stops

$1,929Qantas Airways

Find Deal

Fri, 12 Sep - Tue, 23 Sep

17:05 - 12:00SEA-PER

27h 55m1 stop

22:45 - 11:40PER-SEA

28h 55m1 stop

$1,935Qatar Airways

Find Deal

Wed, 29 Oct - Mon, 3 Nov

13:24 - 11:55PDX-PER

31h 31m2 stops

22:45 - 00:15PER-PDX

40h 30m2 stops

$1,993Qatar Airways

Find Deal

Tue, 9 Sep - Tue, 16 Sep

Singapore Airlines flights from State of Washington to Perth

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

Singapore Airlines

13 Nov

SEA08:45Seattle/Tacoma Intl

28h 40m

1 stop

PER05:25Perth

20 Nov

PER01:10Perth

22h 00m

1 stop

SEA07:10Seattle/Tacoma Intl

$1,745

Find similar

Singapore Airlines

14 Oct

PDX06:00Portland

32h 10m

2 stops

PER05:10Perth

3 Nov

PER01:10Perth

28h 13m

2 stops

PDX13:23Portland

$1,989

Find similar

Singapore Airlines

13 Nov

SEA08:45Seattle/Tacoma Intl

23h 10m

1 stop

PER23:55Perth

20 Nov

PER01:10Perth

27h 00m

2 stops

SEA12:10Seattle/Tacoma Intl

$2,071

Find similar

Qantas Airways flights from State of Washington to Perth

Our best Qantas Airways deals on State of Washington to Perth flight tickets

Qantas Airways

6 Sept

SEA18:05Seattle/Tacoma Intl

32h 00m

2 stops

PER17:05Perth

20 Sept

PER10:30Perth

26h 28m

2 stops

SEA21:58Seattle/Tacoma Intl

$1,875

Find similar

Qantas Airways

12 Sept

SEA16:59Seattle/Tacoma Intl

29h 36m

2 stops

PER13:35Perth

23 Sept

PER12:25Perth

26h 17m

2 stops

SEA23:42Seattle/Tacoma Intl

$1,929

Find similar

Qantas Airways

13 Nov

SEA16:30Seattle/Tacoma Intl

27h 55m

2 stops

PER12:25Perth

21 Nov

PER08:00Perth

26h 03m

2 stops

SEA18:03Seattle/Tacoma Intl

$1,930

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 28/10

00:10-16:35

2 stops49h 25m

Perth

Mon 3/11

05:35-13:55

2 stops48h 20m

$1,535

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 13/11

08:45-05:25

1 stop28h 40m

Perth

Thu 20/11

01:10-07:10

1 stop22h 00m

$1,745

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 29/10

22:30-07:20

1 stop41h 50m

Perth

Mon 3/11

08:40-19:16

2 stops26h 36m

$1,763

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 29/10

20:00-21:35

2 stops34h 35m

Perth

Mon 3/11

16:45-19:16

2 stops42h 31m

$1,776

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sat 6/9

18:05-17:05

2 stops32h 00m

Perth

Sat 20/9

10:30-21:58

2 stops26h 28m

$1,875

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 16/9

17:36-22:40

2 stops38h 04m

Perth

Wed 24/9

09:15-09:47

2 stops39h 32m

$1,909

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 24/9

19:05-22:40

2 stops36h 35m

Perth

Tue 30/9

00:10-19:06

2 stops33h 56m

$1,920

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 12/9

16:59-13:35

2 stops29h 36m

Perth

Tue 23/9

12:25-23:42

2 stops26h 17m

$1,929

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 29/10

17:05-12:00

1 stop27h 55m

Perth

Mon 3/11

22:45-11:40

1 stop28h 55m

$1,935

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 9/9

13:24-11:55

2 stops31h 31m

Perth

Tue 16/9

22:45-00:15

2 stops40h 30m

$1,993

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 February is, on average, the cheapest month to fly to Perth from State of Washington, with most prices found around $2,019. If you’re not able to fly to Perth in February, then October is your next best option. Flight prices from State of Washington to Perth during October average around $2,194.

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

You could potentially save up to 18% 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

Best price found	$918
Fastest flight time	22h 40m
Direct flights	None
Airports in Perth	1 airport

The best one-way flight to Perth from State of Washington in the past 72 hours is $918. The best return flight deal from State of Washington to Perth found on momondo in the last 72 hours is $1,535.

The fastest flight from State of Washington to Perth takes 22h 40m

There are no direct flights from State of Washington to Perth. Popular non-direct routes for this connection are Portland Airport - Perth Airport and Seattle/Tacoma Intl Airport - Perth Airport.

There is 1 airport near Perth: Perth (PER)

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.

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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.