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. Find deals

How far in advance should I book a flight from State of Washington to Perth?

To save up to 20% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from State of Washington to Perth from $2,077 1-2 weeks out and tickets from $2,460 for flights departing within the next 72 hours.

What is the cheapest month to fly from State of Washington to Perth?

Flights from State of Washington to Perth lean towards being more expensive in December. Prices are generally better when you fly from State of Washington to Perth in February, with the cheapest ticket starting at $1,630.

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.

$1,273+ Flights from Washington to Perth

Cheap flight deals from Washington to Perth

Round-trip from	$1,797
One-way from	$1,273
Popular in	December
Cheapest in	February
Average price	$2,264

4/11-23/3
4 total stops
67h 15m total
Washington to Perth

Search Deals

5/1
3 total stops
44h 45m total
Washington to Perth

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($509 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($96 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Washington to Perth

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 1 August 2025.

Tue 4/1100:10SEA - PER

2 stops36h 40mMultiple Airlines

Mon 23/303:35PER - SEA

2 stops30h 35mMultiple Airlines

Deal found 29/7$1,797

Sat 13/917:35PDX - PER

2 stops32h 30mQantas Airways

Sat 20/909:05PER - PDX

2 stops27h 11mQantas Airways

Deal found 30/7$1,865

Thu 11/917:59SEA - PER

2 stops28h 36mQantas Airways

Thu 18/910:30PER - SEA

2 stops24h 54mQantas Airways

Deal found 31/7$1,879

Fri 12/919:15SEA - PER

2 stops26h 40mAir Canada

Tue 23/922:45PER - SEA

2 stops25h 37mAir Canada

Deal found 30/7$1,889

Thu 11/916:30SEA - PER

1 stop28h 25mQatar Airways

Thu 18/922:45PER - SEA

1 stop29h 00mQatar Airways

Deal found 31/7$1,963

Tue 14/1013:25PDX - PER

2 stops38h 15mQatar Airways

Tue 4/1122:45PER - PDX

2 stops37h 52mQatar Airways

Deal found 31/7$2,014

Tue 14/1010:15SEA - PER

1 stop35h 15mSingapore Airlines

Mon 20/1001:10PER - SEA

1 stop22h 35mSingapore Airlines

Deal found 31/7$2,025

Sat 15/1122:00PDX - PER

2 stops33h 55mSingapore Airlines

Thu 27/1101:10PER - PDX

2 stops28h 37mSingapore Airlines

Deal found 30/7$2,067

Wed 1/1014:36GEG - PER

2 stops61h 04mQatar Airways

Fri 31/1022:45PER - GEG

2 stops54h 22mQatar Airways

Deal found 31/7$2,129

Fri 19/908:37SEA - PER

2 stops32h 08mCathay Pacific

Wed 1/1000:10PER - SEA

2 stops37h 49mCathay Pacific

Deal found 31/7$2,179

Mon 24/1107:01PDX - PER

2 stops31h 54mCathay Pacific

Mon 30/300:10PER - PDX

2 stops48h 39mCathay Pacific

Deal found 31/7$2,351

Sat 15/1106:00PDX - PER

2 stops38h 25mAmerican Airlines

Fri 28/1110:20PER - PDX

2 stops27h 41mAmerican Airlines

Deal found 30/7$2,368

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 1 August 2025.

Tue 4/1100:10SEA - PER

2 stops36h 40mMultiple Airlines

Mon 23/303:35PER - SEA

2 stops30h 35mMultiple Airlines

Deal found 29/7$1,797

Sat 13/917:35PDX - PER

2 stops32h 30mQantas Airways

Sat 20/909:05PER - PDX

2 stops27h 11mQantas Airways

Deal found 30/7$1,865

Fri 12/919:15SEA - PER

2 stops26h 40mAir Canada

Tue 23/922:45PER - SEA

2 stops25h 37mAir Canada

Deal found 30/7$1,889

Thu 11/916:30SEA - PER

1 stop28h 25mQatar Airways

Thu 18/922:45PER - SEA

1 stop29h 00mQatar Airways

Deal found 30/7$1,963

Tue 14/1010:15SEA - PER

1 stop35h 15mSingapore Airlines

Mon 20/1001:10PER - SEA

1 stop22h 35mSingapore Airlines

Deal found 31/7$2,025

Fri 19/908:37SEA - PER

2 stops32h 08mCathay Pacific

Wed 1/1000:10PER - SEA

2 stops37h 49mCathay Pacific

Deal found 31/7$2,179

Sat 15/1106:00PDX - PER

2 stops38h 25mAmerican Airlines

Fri 28/1110:20PER - PDX

2 stops27h 41mAmerican Airlines

Deal found 30/7$2,368

Thu 13/1112:45GEG - PER

2 stops35h 10mUnited Airlines

Mon 17/1116:45PER - GEG

2 stops33h 57mUnited Airlines

Deal found 31/7$2,530

Wed 1/1012:35GEG - PER

2 stops43h 20mAir New Zealand

Fri 31/1022:55PER - GEG

3 stops39h 34mAir New Zealand

Deal found 31/7$2,787

Wed 1/1005:06GEG - PER

3 stops36h 54mHawaiian Airlines

Fri 31/1011:25PER - GEG

3 stops37h 10mHawaiian Airlines

Deal found 31/7$3,033

Thu 11/917:59SEA - PER

2 stops28h 36mQantas Airways

Thu 18/910:30PER - SEA

2 stops24h 54mQantas Airways

Deal found 30/7$1,881

Tue 14/1013:25PDX - PER

2 stops38h 15mQatar Airways

Tue 4/1122:45PER - PDX

2 stops37h 52mQatar Airways

Deal found 31/7$2,014

Last-minute flights from Washington to Perth
Discover last-minute flight deals from Washington to Perth. Data last updated 1 August 2025 and is based on user searches.

Thu 31/706:15PDX - PER

3 stops34h 30mMultiple Airlines

Thu 7/815:30PER - PDX

2 stops38h 20mMultiple Airlines

Deal found 30/7$2,794

Thu 31/716:30SEA - PER

1 stop36h 30mANA

Thu 7/821:35PER - SEA

1 stop31h 50mANA

Deal found 31/7$2,946

Thu 31/717:40PDX - PER

2 stops38h 00mCathay Pacific

Wed 6/800:10PER - PDX

2 stops55h 40mCathay Pacific

Deal found 30/7$4,223

Sat 9/802:10SEA - PER

3 stops35h 20mMultiple Airlines

Fri 15/821:55PER - SEA

2 stops27h 55mMultiple Airlines

Deal found 30/7$2,655

Sun 10/809:50SEA - PER

2 stops37h 50mUnited Airlines

Fri 15/823:55PER - SEA

2 stops34h 20mUnited Airlines

Deal found 30/7$2,430

Sun 10/814:56PDX - PER

2 stops33h 29mQantas Airways

Fri 15/823:55PER - PDX

2 stops39h 04mQantas Airways

Deal found 30/7$2,586

Sun 10/816:30SEA - PER

1 stop27h 40mQatar Airways

Fri 15/815:40PER - SEA

1 stop36h 05mQatar Airways

Deal found 30/7$2,829

Sun 10/819:40PDX - PER

2 stops29h 05mMultiple Airlines

Fri 15/823:15PER - PDX

3 stops34h 31mMultiple Airlines

Deal found 30/7$3,565

Sun 10/807:04PDX - PER

2 stops48h 36mCathay Pacific

Thu 14/800:10PER - PDX

2 stops31h 16mCathay Pacific

Deal found 30/7$4,294

Thu 28/816:30SEA - PER

1 stop28h 25mQatar Airways

Thu 4/916:10PER - SEA

1 stop35h 35mQatar Airways

Deal found 31/7$1,966

Sun 31/819:15SEA - PER

2 stops29h 10mMultiple Airlines

Sat 13/913:15PER - SEA

2 stops35h 07mMultiple Airlines

Deal found 30/7$1,838

Sun 31/811:40SEA - PER

2 stops44h 00mCathay Pacific

Fri 12/900:10PER - SEA

2 stops36h 48mCathay Pacific

Deal found 30/7$2,406

Fly from

Fly to

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 4/11

00:10-04:50

2 stops36h 40m

Perth

Mon 23/3

03:35-19:10

2 stops30h 35m

$1,797

PortlandPerth

PDX - PER

PDXPER

Portland

Sat 13/9

17:35-17:05

2 stops32h 30m

Perth

Sat 20/9

09:05-21:16

2 stops27h 11m

$1,865

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 11/9

17:59-13:35

2 stops28h 36m

Perth

Thu 18/9

10:30-20:24

2 stops24h 54m

$1,881

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 12/9

19:15-12:55

2 stops26h 40m

Perth

Tue 23/9

22:45-09:22

2 stops25h 37m

$1,889

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 11/9

16:30-11:55

1 stop28h 25m

Perth

Thu 18/9

22:45-12:45

1 stop29h 00m

$1,963

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 14/10

13:25-18:40

2 stops38h 15m

Perth

Tue 4/11

22:45-20:37

2 stops37h 52m

$2,014

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 14/10

10:15-12:30

1 stop35h 15m

Perth

Mon 20/10

01:10-08:45

1 stop22h 35m

$2,025

PortlandPerth

PDX - PER

PDXPER

Portland

Sat 15/11

22:00-23:55

2 stops33h 55m

Perth

Thu 27/11

01:10-13:47

2 stops28h 37m

$2,067

SpokanePerth

GEG - PER

GEGPER

Spokane

Wed 1/10

14:36-18:40

2 stops61h 04m

Perth

Fri 31/10

22:45-14:07

2 stops54h 22m

$2,129

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 19/9

08:37-07:45

2 stops32h 08m

Perth

Wed 1/10

00:10-22:59

2 stops37h 49m

$2,179

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 21 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, May is the cheapest month in which you can book a flight from State of Washington to Perth (average of $286). Flying from State of Washington to Perth in December is currently the most expensive (average of $409). 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.

Reviews of airlines servicing Perth

See what other customers who have flown with Singapore Airlines, Air New Zealand, andHawaiian Airlines from Washington to Perth have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,338 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Singapore Airlines

8.1

Very Good

1,338 reviews

Singapore Airlines

8.1

Very Good

1,338 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Air New Zealand

8.0

Very Good

501 reviews

Singapore Airlines

8.1

Very Good

1,338 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Hawaiian Airlines

7.8

Good

2,611 reviews

Singapore Airlines

8.1

Very Good

1,338 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Cathay Pacific

7.6

Good

949 reviews

Singapore Airlines

8.1

Very Good

1,338 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Qantas Airways

7.5

Good

887 reviews

Singapore Airlines

8.1

Very Good

1,338 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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.
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, May is the cheapest month in which you can book a flight from State of Washington to Perth (average of $286). Flying from State of Washington to Perth in December is currently the most expensive (average of $409). 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

Mandurah

Scarborough

Fremantle

Rottnest Island

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

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?

Yes, we can. To see specific flights from Washington to Perth with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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 $1,273

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington to Perth

Keep the following information in mind while searching for Washington to Perth flight deals. Data was last updated 1 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 1 August 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 1 August 2025.

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?

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated 1 August 2025.

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?

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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?

100% Free

Book with Flexibility

Travel Smart

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 1 August 2025.