How long does it take to fly to Perth?

Average flight duration from State of Washington to Perth depends on which airport you fly into and out of. Flying from Seattle to Perth is 27h 05m on average, while flying from Spokane to Perth is 45h 35m on average. Perth is the most popular airport in Perth.

What airlines fly to Perth?

Singapore Airlines, Qantas Airways and Qatar Airways are the top three most popular airlines that fly to Perth from State of Washington according to our data. Singapore Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Perth. Keep in mind that there are 3 different airlines that fly to Perth on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Washington to Perth Airport are updated daily.

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

As of March 2026, there are 3 operators available to choose from for flights from Washington to Perth Airport.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 license 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.

$450 Cheap Flights from Washington to Perth in 2026

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Find the cheapest flights from Washington to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 pm - 5:10 pm

SEA

PER

33h 40m

2 stops

6:25 pm - 2:25 pm

PER

SEA

35h 00m

2 stops

$1,003Multiple Airlines

Tue, Aug 11 - Mon, Aug 24

12:50 pm - 11:00 am

SEA

PER

31h 10m

2 stops

4:30 pm - 10:40 am

PER

SEA

33h 10m

2 stops

$1,060Multiple Airlines

Wed, Apr 29 - Wed, May 6

1:15 am - 5:10 pm

SEA

PER

48h 55m

2 stops

6:25 pm - 4:10 pm

PER

SEA

36h 45m

2 stops

$1,066Multiple Airlines

Sun, May 3 - Tue, May 19

10:15 am - 12:30 pm

SEA

PER

35h 15m

1 stop

4:55 pm - 8:45 am

PER

SEA

30h 50m

1 stop

$1,105Singapore Airlines

Thu, Sep 3 - Sat, Oct 3

11:45 am - 10:40 pm

SEA

PER

43h 55m

1 stop

12:10 am - 10:05 am

PER

SEA

24h 55m

1 stop

$1,108Cathay Pacific

Wed, Apr 29 - Tue, May 5

10:15 am - 5:10 am

SEA

PER

27h 55m

1 stop

1:45 pm - 8:45 am

PER

SEA

34h 00m

1 stop

$1,164Singapore Airlines

Thu, Sep 3 - Sat, Oct 3

12:25 pm - 10:40 pm

SEA

PER

43h 15m

1 stop

8:20 am - 10:20 am

PER

SEA

41h 00m

1 stop

$1,191Cathay Pacific

Mon, Aug 17 - Mon, Sep 14

11:57 am - 6:35 pm

PDX

PER

39h 38m

2 stops

10:45 pm - 2:55 pm

PER

PDX

32h 10m

2 stops

$1,350Qatar Airways

Wed, Sep 9 - Mon, Dec 7

9:40 am - 11:55 am

PDX

PER

35h 15m

2 stops

10:45 pm - 2:55 pm

PER

PDX

32h 10m

2 stops

$1,351Qatar Airways

Tue, Sep 8 - Mon, Dec 7

7:05 pm - 9:40 pm

PDX

PER

35h 35m

2 stops

10:40 pm - 9:30 am

PER

PDX

25h 50m

2 stops

$1,400Air Canada

Mon, Apr 27 - Mon, May 4

Singapore Airlines flights from State of Washington to Perth

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

Singapore Airlines

Sep 3

SEA10:15 amSeattle/Tacoma Intl

35h 15m

1 stop

PER12:30 pmPerth

Oct 3

PER4:55 pmPerth

30h 50m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$1,105

Singapore Airlines

Sep 3

SEA10:15 amSeattle/Tacoma Intl

27h 55m

1 stop

PER5:10 amPerth

Oct 3

PER1:45 pmPerth

34h 00m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$1,164

Cathay Pacific flights from State of Washington to Perth

Our best Cathay Pacific deals on State of Washington to Perth flight tickets

Cathay Pacific

Apr 29

SEA11:45 amSeattle/Tacoma Intl

43h 55m

1 stop

PER10:40 pmPerth

May 5

PER12:10 amPerth

24h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$1,108

Cathay Pacific

Aug 17

SEA12:25 pmSeattle/Tacoma Intl

43h 15m

1 stop

PER10:40 pmPerth

Sep 14

PER8:20 amPerth

41h 00m

1 stop

SEA10:20 amSeattle/Tacoma Intl

$1,191

Cathay Pacific

Aug 17

SEA12:25 pmSeattle/Tacoma Intl

43h 15m

1 stop

PER10:40 pmPerth

Sep 14

PER8:20 amPerth

41h 00m

1 stop

SEA10:20 amSeattle/Tacoma Intl

$1,192

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 8/11

4:30 pm-5:10 pm

2 stops33h 40m

Perth

Mon 8/24

6:25 pm-2:25 pm

2 stops35h 00m

$1,003

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 4/29

12:50 pm-11:00 am

2 stops31h 10m

Perth

Wed 5/6

4:30 pm-10:40 am

2 stops33h 10m

$1,060

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 5/3

1:15 am-5:10 pm

2 stops48h 55m

Perth

Tue 5/19

6:25 pm-4:10 pm

2 stops36h 45m

$1,066

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 9/3

10:15 am-12:30 pm

1 stop35h 15m

Perth

Sat 10/3

4:55 pm-8:45 am

1 stop30h 50m

$1,105

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 4/29

11:45 am-10:40 pm

1 stop43h 55m

Perth

Tue 5/5

12:10 am-10:05 am

1 stop24h 55m

$1,108

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 9/3

10:15 am-5:10 am

1 stop27h 55m

Perth

Sat 10/3

1:45 pm-8:45 am

1 stop34h 00m

$1,164

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 8/17

12:25 pm-10:40 pm

1 stop43h 15m

Perth

Mon 9/14

8:20 am-10:20 am

1 stop41h 00m

$1,191

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 9/9

11:57 am-6:35 pm

2 stops39h 38m

Perth

Mon 12/7

10:45 pm-2:55 pm

2 stops32h 10m

$1,350

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 9/8

9:40 am-11:55 am

2 stops35h 15m

Perth

Mon 12/7

10:45 pm-2:55 pm

2 stops32h 10m

$1,351

Quickest round-trip

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 4/27

7:05 pm-9:40 pm

2 stops35h 35m

Perth

Mon 5/4

10:40 pm-9:30 am

2 stops25h 50m

$1,400

Flights are sorted by cheapest round-trip 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?

In general, February is the cheapest month to fly from State of Washington to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,292. If you are unable to visit Perth during the month of February, then departing from State of Washington during the month September is also very affordable. Most momondo users find prices during this month for around $1,310.

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

You could potentially save up to 50% 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 05m
Direct flights	None

The fastest flight from State of Washington to Perth takes 27h 05m

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 are updated daily.
How many operators does momondo search for flights from Washington to Perth Airport?
As of March 2026, there are 3 operators available to choose from for flights from Washington to Perth Airport.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 license 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.

Best airlines flying from State of Washington to Perth

Compare and see reviews for airlines that fly from State of Washington to Perth with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $1,251	Free Cancellation	Rating 8.2 1,479 reviews	Search Singapore Airlines flights
Qantas Airways	PriceFrom $1,258	Free Cancellation	Rating 7.5 1,005 reviews	Search Qantas Airways flights
Qatar Airways	PriceFrom $1,325	Free Cancellation	Rating 7.4 3,736 reviews	Search Qatar Airways flights

Fremantle

Mandurah

Rottnest Island

Scarborough

Waikiki

Why use momondo?

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

Finding the right flight to Perth from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Perth quick and easy, saving you time and money.

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

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

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

momondo helps you find the best flight between Washington 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 Washington to Perth right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Perth from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.