How long is the flight from State of Washington to Perth?

Singapore Airlines, Cathay Pacific, and Qantas Airways can get you from State of Washington to Perth in just under 22h 40m. Your travel time can differ by up to 18h 45m. There are 14862 km between State of Washington and Perth. Both multi-stop and direct flights can be found to your destination and back. Find deals

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm. Find deals

If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C). Find deals

What are the most popular routes from State of Washington to Perth?

Most travellers choose Seattle/Tacoma Intl - Perth, Portland - Perth or Spokane - Perth when deciding on the best route from State of Washington to Perth.

What is the cheapest time of day to fly from WA to PER?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Perth as you normally would.

What airport do you fly into for flights to Perth from Washington?

Most people fly into Perth (PER) if they book a flight to Perth from Washington. Perth is conveniently located just 10.2 km from Perth’s city centre.

Can I find deals for flights from Washington to Perth that include hotel bookings?

Yes. In addition to deals on Washington to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Washington to Perth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Perth.

Can I find deals for business class flights from Washington to Perth?

Yes. Cheapflights offers flight deals from Washington to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$902+ Flights from Washington to Perth

Cheap flight deals from Washington to Perth

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Perth
Explore the most affordable flight options available from Washington to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Thu 18/1221:30SEA - PER

1 stop41h 50mMultiple Airlines

Sat 3/108:40PER - SEA

2 stops28h 01mMultiple Airlines

Deal found 17/12$5,013

Mon 15/1220:31SEA - PER

2 stops66h 49mPhilippine Airlines

Sun 21/1208:40PER - SEA

1 stop26h 00mPhilippine Airlines

Deal found 14/12$9,047

Mon 15/1217:59SEA - PER

2 stops45h 21mMultiple Airlines

Sun 21/1210:30PER - SEA

2 stops39h 20mMultiple Airlines

Deal found 14/12$10,939

Best flights from Washington to Perth
Discover carefully curated flight deals from Washington to Perth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Tue 7/410:15SEA - PER

1 stop22h 40mSingapore Airlines

Mon 27/401:10PER - SEA

1 stop22h 35mSingapore Airlines

Deal found 14/12$1,660

Tue 7/410:15SEA - PER

1 stop27h 55mMultiple Airlines

Mon 20/401:10PER - SEA

3 stops32h 37mMultiple Airlines

Deal found 14/12$1,794

Tue 7/419:55SEA - PER

2 stops44h 50mCathay Pacific

Mon 27/400:10PER - SEA

2 stops45h 58mCathay Pacific

Deal found 17/12$1,853

Thu 30/412:09PDX - PER

2 stops42h 01mQantas Airways

Mon 4/517:50PER - PDX

2 stops43h 41mQantas Airways

Deal found 17/12$2,190

Tue 7/410:15SEA - PER

1 stop22h 40mMultiple Airlines

Mon 27/401:10PER - SEA

2 stops32h 44mMultiple Airlines

Deal found 15/12$1,799

Sun 1/221:30PDX - PER

2 stops41h 25mCathay Pacific

Sun 8/208:30PER - PDX

2 stops41h 05mCathay Pacific

Deal found 17/12$1,883

Wed 6/507:00PDX - PER

2 stops31h 10mMultiple Airlines

Wed 13/501:10PER - PDX

2 stops28h 09mMultiple Airlines

Deal found 16/12$1,859

Sun 1/318:21SEA - PER

2 stops60h 34mCathay Pacific

Thu 19/300:25PER - SEA

2 stops31h 11mCathay Pacific

Deal found 15/12$1,963

Tue 5/512:50GEG - PER

2 stops37h 10mQantas Airways

Sat 9/506:20PER - GEG

2 stops29h 14mQantas Airways

Deal found 16/12$2,355

Sun 1/308:45SEA - PER

2 stops28h 55mMultiple Airlines

Fri 20/314:35PER - SEA

2 stops33h 25mMultiple Airlines

Deal found 15/12$1,960

Sun 1/316:50SEA - PER

2 stops38h 05mCathay Pacific

Thu 5/308:30PER - SEA

2 stops28h 17mCathay Pacific

Deal found 14/12$2,018

Thu 21/506:15PDX - PER

2 stops26h 40mMultiple Airlines

Sat 30/501:10PER - PDX

2 stops32h 50mMultiple Airlines

Deal found 16/12$2,003

Tue 13/107:20PDX - PER

2 stops31h 35mCathay Pacific

Tue 20/108:30PER - PDX

2 stops41h 05mCathay Pacific

Deal found 18/12$2,145

Tue 13/107:20PDX - PER

2 stops31h 35mMultiple Airlines

Tue 20/108:30PER - PDX

2 stops28h 04mMultiple Airlines

Deal found 17/12$2,143

Tue 28/407:30PDX - PER

2 stops48h 10mCathay Pacific

Fri 1/500:10PER - PDX

2 stops62h 10mCathay Pacific

Deal found 15/12$2,338

Sun 1/217:51PDX - PER

2 stops45h 04mMultiple Airlines

Sat 7/200:25PER - PDX

3 stops28h 13mMultiple Airlines

Deal found 17/12$2,544

Last-minute flights from Washington to Perth
Discover last-minute flight deals from Washington to Perth. Data last updated 18 December 2025 and is based on user searches.

Mon 12/117:51PDX - PER

2 stops37h 04mCathay Pacific

Mon 19/108:30PER - PDX

2 stops45h 11mCathay Pacific

Deal found 16/12$2,275

Mon 12/109:50PDX - PER

3 stops29h 05mMultiple Airlines

Mon 19/105:15PER - PDX

3 stops44h 00mMultiple Airlines

Deal found 16/12$3,360

Tue 13/107:20PDX - PER

2 stops31h 35mMultiple Airlines

Tue 20/108:30PER - PDX

2 stops28h 04mMultiple Airlines

Deal found 17/12$2,143

Tue 13/107:20PDX - PER

2 stops31h 35mCathay Pacific

Tue 20/108:30PER - PDX

2 stops41h 05mCathay Pacific

Deal found 18/12$2,145

Wed 14/100:10SEA - PER

2 stops49h 30mMultiple Airlines

Wed 21/104:55PER - SEA

2 stops29h 15mMultiple Airlines

Deal found 17/12$1,986

Thu 15/116:05SEA - PER

1 stop27h 50mQatar Airways

Thu 22/115:55PER - SEA

1 stop35h 45mQatar Airways

Deal found 17/12$2,716

Mon 26/117:50PDX - PER

2 stops35h 10mQantas Airways

Mon 9/215:55PER - PDX

2 stops37h 46mQantas Airways

Deal found 16/12$2,101

Mon 26/115:50PDX - PER

2 stops36h 30mAir New Zealand

Mon 9/205:00PER - PDX

3 stops34h 06mAir New Zealand

Deal found 16/12$2,795

Mon 26/110:30PDX - PER

2 stops40h 15mMultiple Airlines

Sun 8/200:25PER - PDX

3 stops28h 13mMultiple Airlines

Deal found 16/12$3,174

Thu 29/100:10SEA - PER

3 stops33h 25mMultiple Airlines

Fri 6/220:40PER - SEA

3 stops33h 51mMultiple Airlines

Deal found 16/12$2,488

Fri 30/119:52SEA - PER

2 stops59h 03mCathay Pacific

Thu 5/200:25PER - SEA

2 stops29h 54mCathay Pacific

Deal found 16/12$2,036

Fri 30/108:45SEA - PER

1 stop38h 00mSingapore Airlines

Fri 6/213:50PER - SEA

1 stop33h 20mSingapore Airlines

Deal found 16/12$2,915

One-way flights from Washington to Perth
Search for one-way flight options from Washington to Perth. Find affordable one-way fares based on user searches. Data last updated 18 December 2025.

Wed 4/207:24PDX - PER

3 stops53h 06mMultiple Airlines

Deal found 17/12$902

Mon 26/117:51PDX - PER

3 stops52h 19mMultiple Airlines

Deal found 16/12$1,070

Wed 28/107:20PDX - PER

2 stops31h 35mMultiple Airlines

Deal found 16/12$1,075

Sun 25/117:51PDX - PER

3 stops51h 24mMultiple Airlines

Deal found 16/12$1,094

Tue 27/110:30PDX - PER

3 stops43h 50mMultiple Airlines

Deal found 16/12$1,115

Sat 17/110:33PDX - PER

3 stops47h 02mMultiple Airlines

Deal found 16/12$1,144

Sat 24/110:33PDX - PER

3 stops45h 47mMultiple Airlines

Deal found 16/12$1,197

Tue 23/1214:29PDX - PER

3 stops53h 56mMultiple Airlines

Deal found 16/12$1,546

Find flight deals from Washington to Perth

Round-trip from	$1,660
One-way from	$902
Popular in	January
Cheapest in	September
Average price	$2,503

Singapore Airlines
7/4-27/4
2 total stops
45h 15m total
Washington to Perth

Search Deals

4/2
3 total stops
53h 06m total
Washington to Perth

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($279 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($101 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

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

$1,660

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 7/4

10:15-05:10

1 stop27h 55m

Perth

Mon 20/4

01:10-18:47

3 stops32h 37m

$1,794

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 7/4

10:15-23:55

1 stop22h 40m

Perth

Mon 27/4

01:10-18:54

2 stops32h 44m

$1,799

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

$1,853

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 6/5

07:00-05:10

2 stops31h 10m

Perth

Wed 13/5

01:10-14:19

2 stops28h 09m

$1,859

PortlandPerth

PDX - PER

PDXPER

Portland

Sun 1/2

21:30-06:55

2 stops41h 25m

Perth

Sun 8/2

08:30-09:35

2 stops41h 05m

$1,883

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 1/3

08:45-05:40

2 stops28h 55m

Perth

Fri 20/3

14:35-09:00

2 stops33h 25m

$1,960

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 1/3

18:21-22:55

2 stops60h 34m

Perth

Thu 19/3

00:25-16:36

2 stops31h 11m

$1,963

PortlandPerth

PDX - PER

PDXPER

Portland

Thu 21/5

06:15-23:55

2 stops26h 40m

Perth

Sat 30/5

01:10-19:00

2 stops32h 50m

$2,003

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 1/3

16:50-22:55

2 stops38h 05m

Perth

Thu 5/3

08:30-20:47

2 stops28h 17m

$2,018

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 23 results

Best time to book a flight from Washington to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Washington with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Perth

What is the cheapest month to book a flight from State of Washington to Perth?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Perth (average of $1,502). Flying from State of Washington to Perth in January is currently the most expensive (average of $2,249). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Perth from Washington?
Most people fly into Perth (PER) if they book a flight to Perth from Washington. Perth is conveniently located just 10.2 km from Perth’s city centre.
How long is the flight from State of Washington to Perth?
Singapore Airlines, Cathay Pacific, and Qantas Airways can get you from State of Washington to Perth in just under 22h 40m. Your travel time can differ by up to 18h 45m. There are 14862 km between State of Washington and Perth. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from State of Washington to Perth?
Most travellers choose Seattle/Tacoma Intl - Perth, Portland - Perth or Spokane - Perth when deciding on the best route from State of Washington to Perth.
Can I find deals for flights from Washington to Perth that include hotel bookings?
Yes. In addition to deals on Washington to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington to Perth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Perth.
Can I find deals for business class flights from Washington to Perth?
Yes. Cheapflights offers flight deals from Washington to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from State of Washington to Perth?
Currently, February is the cheapest month in which you can book a flight from State of Washington to Perth (average of $1,502). Flying from State of Washington to Perth in January is currently the most expensive (average of $2,249). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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When you search for this flight from Washington to Perth, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Washington to Perth?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Perth from Washington.

Can Cheapflights find flights from Washington to Perth with no change fees?

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Can Cheapflights notify me if prices for flights from Washington to Perth become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Perth from Washington today and book when prices fit your budget.

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Cheap flights from Washington to Perth from $902

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington to Perth

Cheapest flights from Washington to PerthExplore the most affordable flight options available from Washington to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Explore the most affordable flight options available from Washington to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Find flight deals from Washington to Perth

Keep the following information in mind while searching for Washington to Perth flight deals. Data was last updated 18 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to Perth that are best for you.

Best time to book a flight from Washington to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Perth

What is the cheapest month to book a flight from State of Washington to Perth?

Related info for your journey

Find useful and relevant information for your journey from Washington to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Perth from Washington?

How long is the flight from State of Washington to Perth?

What are the most popular routes from State of Washington to Perth?

Can I find deals for flights from Washington to Perth that include hotel bookings?

How can I find direct flights from Washington to Perth?

Can I find deals for business class flights from Washington to Perth?

What is the cheapest month to book a flight from State of Washington to Perth?

Travelling to a place near Perth?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Perth

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington to Perth?

Why should you use Cheapflights to find cheap flight tickets from Washington to Perth?

Can Cheapflights find flights from Washington to Perth with no change fees?

Can Cheapflights notify me if prices for flights from Washington to Perth become cheaper?

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Cheapest flights from Washington to Perth
Explore the most affordable flight options available from Washington to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.