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 28h 10m on average, while flying from Spokane to Perth is 37h 11m on average. Perth is the most popular airport in Perth.

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

Qantas Airways and Cathay Pacific are the most popular carriers 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 are updated daily.

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

As of May 2026, there are 2 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.

$1,250 Cheap Flights from Washington to Perth in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to Perth

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:25 pm - 6:35 pm

SEA

PER

35h 10m

1 stop

10:45 pm - 12:25 pm

PER

SEA

28h 40m

1 stop

$1,250Qatar Airways

Mon, Aug 17 - Mon, Sep 14

4:25 pm - 6:35 pm

SEA

PER

35h 10m

1 stop

10:45 pm - 12:25 pm

PER

SEA

28h 40m

1 stop

$1,251Qatar Airways

Mon, Aug 17 - Mon, Sep 14

10:51 am - 6:35 pm

PDX

PER

40h 44m

2 stops

10:45 pm - 7:54 pm

PER

PDX

36h 09m

2 stops

$1,266Multiple Airlines

Sun, Oct 4 - Mon, Oct 12

10:51 am - 6:35 pm

PDX

PER

40h 44m

2 stops

10:45 pm - 5:00 pm

PER

PDX

33h 15m

2 stops

$1,267Multiple Airlines

Sun, Oct 4 - Mon, Oct 12

10:15 am - 5:10 am

SEA

PER

27h 55m

1 stop

1:45 pm - 8:45 am

PER

SEA

34h 00m

1 stop

$1,271Singapore Airlines

Thu, Sep 3 - Sat, Oct 3

10:15 am - 5:10 am

SEA

PER

27h 55m

1 stop

1:45 pm - 8:45 am

PER

SEA

34h 00m

1 stop

$1,283Singapore Airlines

Thu, Sep 3 - Sat, Oct 3

12:49 pm - 1:35 pm

GEG

PER

33h 46m

2 stops

11:45 pm - 8:42 pm

PER

GEG

35h 57m

2 stops

$1,470American Airlines

Sun, Aug 2 - Sun, Aug 16

12:49 pm - 5:00 pm

GEG

PER

37h 11m

2 stops

10:30 am - 10:15 pm

PER

GEG

26h 45m

2 stops

$1,558Qantas Airways

Thu, Jul 2 - Sat, Jul 18

12:53 pm - 1:35 pm

GEG

PER

33h 42m

2 stops

11:45 pm - 8:42 pm

PER

GEG

35h 57m

2 stops

$1,570American Airlines

Thu, Aug 6 - Fri, Aug 21

12:49 pm - 5:00 pm

GEG

PER

37h 11m

2 stops

11:55 pm - 8:42 pm

PER

GEG

35h 47m

2 stops

$1,604Qantas Airways

Thu, Jul 2 - Fri, Jul 17

Qantas Airways flights from State of Washington to Perth

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

Qantas Airways

Jun 2

SEA5:28 pmSeattle/Tacoma Intl

30h 57m

2 stops

PER3:25 pmPerth

Jun 9

PER10:30 amPerth

25h 37m

2 stops

SEA9:07 pmSeattle/Tacoma Intl

$1,508

Qantas Airways

Jul 2

GEG12:49 pmSpokane

37h 11m

2 stops

PER5:00 pmPerth

Jul 18

PER10:30 amPerth

26h 45m

2 stops

GEG10:15 pmSpokane

$1,558

Qantas Airways

Jul 2

GEG12:49 pmSpokane

37h 11m

2 stops

PER5:00 pmPerth

Jul 17

PER11:55 pmPerth

35h 47m

2 stops

GEG8:42 pmSpokane

$1,604

Qatar Airways flights from State of Washington to Perth

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

Qatar Airways

Aug 17

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

Sep 14

PER10:45 pmPerth

28h 40m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$1,250

Qatar Airways

Aug 17

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

Sep 14

PER10:45 pmPerth

28h 40m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$1,251

Qatar Airways

Aug 17

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

Sep 14

PER10:45 pmPerth

28h 40m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$1,255

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 8/17

4:25 pm-6:35 pm

1 stop35h 10m

Perth

Mon 9/14

10:45 pm-12:25 pm

1 stop28h 40m

$1,250

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 8/17

4:25 pm-6:35 pm

1 stop35h 10m

Perth

Mon 9/14

10:45 pm-12:25 pm

1 stop28h 40m

$1,251

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 10/4

10:51 am-6:35 pm

2 stops40h 44m

Perth

Mon 10/12

10:45 pm-7:54 pm

2 stops36h 09m

$1,266

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 10/4

10:51 am-6:35 pm

2 stops40h 44m

Perth

Mon 10/12

10:45 pm-5:00 pm

2 stops33h 15m

$1,267

Quickest round-trip

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

$1,271

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

$1,283

SpokanePerth

GEG - PER

GEGPER

Spokane

Sun 8/2

12:49 pm-1:35 pm

2 stops33h 46m

Perth

Sun 8/16

11:45 pm-8:42 pm

2 stops35h 57m

$1,470

SpokanePerth

GEG - PER

GEGPER

Spokane

Thu 7/2

12:49 pm-5:00 pm

2 stops37h 11m

Perth

Sat 7/18

10:30 am-10:15 pm

2 stops26h 45m

$1,558

SpokanePerth

GEG - PER

GEGPER

Spokane

Thu 8/6

12:53 pm-1:35 pm

2 stops33h 42m

Perth

Fri 8/21

11:45 pm-8:42 pm

2 stops35h 57m

$1,570

SpokanePerth

GEG - PER

GEGPER

Spokane

Thu 7/2

12:49 pm-5:00 pm

2 stops37h 11m

Perth

Fri 7/17

11:55 pm-8:42 pm

2 stops35h 47m

$1,604

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, October 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 $1,158. If you are unable to visit Perth during the month of October, then departing from State of Washington during the month December is also very affordable. Most momondo users find prices during this month for around $1,171.

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

You could potentially save up to 54% 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	28h 10m
Direct flights	None

The fastest flight from State of Washington to Perth takes 28h 10m

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 are updated daily.
How many operators does momondo search for flights from Washington to Perth Airport?
As of May 2026, there are 2 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 $1,179	Free Cancellation	Rating 8.2 1,510 reviews		Search Singapore Airlines flights
Qantas Airways	PriceFrom $1,258	Free Cancellation	Rating 7.5 1,033 reviews		Search Qantas Airways flights

Rottnest Island

Mandurah

Fremantle

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.