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Perth

$597+ Cheap flights from Washington to Perth (PER)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PER
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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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 septiembre 16, 2025.

Round-trip from

$1,105
(Kiwi.com)

One-way from

$597
(Mytrip)

Popular in

January

Cheapest in

February

Average price

$1,460
From Washington to Perth
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One-way flight from Washington to Perth
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Highest demand for flights based on searches. 6% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3012:00 pmSEA - PER
2 stops29h 50mMultiple Airlines
jue. 11/611:35 pmPER - SEA
1 stop23h 35mMultiple Airlines
Deal found 9/15$1,105
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/138:45 amSEA - PER
1 stop23h 10mSingapore Airlines
mié. 11/261:50 pmPER - SEA
1 stop33h 20mSingapore Airlines
Deal found 9/14$1,115
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/68:45 amSEA - PER
1 stop35h 50mSingapore Airlines
jue. 11/276:40 amPER - SEA
1 stop40h 30mSingapore Airlines
Deal found 9/16$1,142
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/281:10 amSEA - PER
3 stops35h 50mMultiple Airlines
mié. 11/55:50 pmPER - SEA
1 stop29h 20mMultiple Airlines
Deal found 9/14$1,198
This BestPriceTravel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/308:00 pmSEA - PER
2 stops33h 10mAir Canada
jue. 11/610:30 pmPER - SEA
2 stops27h 01mAir Canada
Deal found 9/15$1,202
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/141:30 amSEA - PER
3 stops36h 00mMultiple Airlines
mié. 10/229:55 pmPER - SEA
1 stop25h 50mMultiple Airlines
Deal found 9/15$1,228
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/271:38 pmPDX - PER
2 stops38h 07mQatar Airways
mié. 11/510:45 pmPER - PDX
2 stops47h 32mQatar Airways
Deal found 9/14$1,322
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1310:28 pmPDX - PER
2 stops33h 27mMultiple Airlines
mié. 12/35:05 pmPER - PDX
2 stops33h 45mMultiple Airlines
Deal found 9/14$1,343
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:30 pmPDX - PER
2 stops37h 15mQatar Airways
vie. 11/710:45 pmPER - PDX
2 stops35h 02mQatar Airways
Deal found 9/16$1,361
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/161:24 pmPDX - PER
2 stops31h 31mQatar Airways
mié. 9/2410:45 pmPER - PDX
2 stops46h 32mQatar Airways
Deal found 9/13$1,382
This Qantas Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/165:36 pmPDX - PER
2 stops26h 44mQantas Airways
mié. 9/2410:30 amPER - PDX
2 stops23h 40mQantas Airways
Deal found 9/15$1,383
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/275:41 pmPDX - PER
2 stops38h 09mCathay Pacific
mar. 11/412:15 amPER - PDX
2 stops49h 25mCathay Pacific
Deal found 9/14$1,463

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Washington to Perth that are best for you.

Fly from

Washington

Fly to

Perth

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 11/13

8:45 am-11:55 pm

1 stop23h 10m

Perth

mié. 11/26

1:50 pm-7:10 am

1 stop33h 20m

$1,115

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 10/30

9:45 am-4:20 am

1 stop27h 35m

Perth

jue. 11/6

5:35 am-7:10 am

1 stop41h 35m

$1,198

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

mar. 10/28

1:10 am-4:00 am

3 stops35h 50m

Perth

mié. 11/5

5:50 pm-7:10 am

1 stop29h 20m

$1,198

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 10/23

3:46 pm-10:20 am

2 stops27h 34m

Perth

mar. 11/11

10:55 pm-1:02 pm

2 stops30h 07m

$1,262

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 10/23

3:46 pm-10:20 am

2 stops27h 34m

Perth

jue. 11/13

8:00 am-6:57 pm

2 stops26h 57m

$1,263

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 10/23

4:30 pm-6:40 pm

1 stop35h 10m

Perth

jue. 11/13

10:45 pm-11:40 am

1 stop28h 55m

$1,282

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

mié. 10/29

5:05 pm-6:45 pm

1 stop34h 40m

Perth

mié. 11/5

10:45 pm-11:40 am

1 stop28h 55m

$1,282

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 10/23

4:30 pm-6:40 pm

1 stop35h 10m

Perth

mar. 11/11

10:45 pm-11:40 am

1 stop28h 55m

$1,288

PortlandPerth

PDX - PER

PDXPER

Portland

lun. 10/27

1:38 pm-6:45 pm

2 stops38h 07m

Perth

mié. 11/5

10:45 pm-6:17 am

2 stops47h 32m

$1,322

PortlandPerth

PDX - PER

PDXPER

Portland

jue. 11/13

10:28 pm-11:55 pm

2 stops33h 27m

Perth

mié. 12/3

5:05 pm-10:50 am

2 stops33h 45m

$1,343

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 21 results
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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 round-trip 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 $1,436). Flying from State of Washington to Perth in December is currently the most expensive (average of $2,094). 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.

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

Find hourly flight availability from Washington to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

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.

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?

    Located just 6.3 mi from the city center, Perth (PER) is the airport most travelers will use when flying to Perth from Washington.

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

    Singapore Airlines, Qatar Airways, and Cathay Pacific can get you from State of Washington to Perth in just under 23h 10m. Your travel time can differ by up to 14h 59m. Airlines will cover a distance of 9235 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While some choose either Portland - Perth or Spokane - Perth, Seattle/Tacoma Intl - Perth is the most popular 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 vacation 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 $1,436). Flying from State of Washington to Perth in December is currently the most expensive (average of $2,094). 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

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Fremantle
Rottnest Island
Scarborough

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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.
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Top 4 airlines flying from Washington to Perth

Discover the top 4 airlines that operate flights from Washington to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,158Average$1,330FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,218Average$1,477FlexibilityNo cancel feeOn-time81%
Qantas AirwaysCheapest$1,258Average$1,451FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,315Average$1,712FlexibilityNo cancel feeOn-time68%

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