HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$658+ Cheap flights from Perth (PER) to Washington

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Perth to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Perth to Washington

Keep the following information in mind while searching for Perth to Washington flight deals. Data was last updated November 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,083
(Trip.com)

One-way from

$658
(Ovago)

Popular in

December

Cheapest in

September

Average price

$1,323
Provider with most accurate pricing for Perth-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Perth-Seattle/Tacoma Intl flights.
Search Deals
From Perth to Washington
Search Deals
One-way flight from Perth to Washington
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Perth to Washington

Cheapest flights from Perth to Washington
Explore the most affordable flight options available from Perth to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2025.

This Japan Airlines deal was found by Cheapflights users on 11/9. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:30 amPER - SEA
2 stops39h 20mJapan Airlines
Mon 11/2412:10 pmSEA - PER
2 stops42h 45mJapan Airlines
Deal found 11/9$1,563
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:15 amPER - PDX
2 stops36h 19mAlaska Airlines
Mon 11/177:09 amPDX - PER
2 stops33h 06mAlaska Airlines
Deal found 11/9$1,565
This Expedia deal was found by Cheapflights users on 11/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:15 pmPER - PDX
2 stops24h 54mMultiple Airlines
Thu 1/17:00 amPDX - PER
2 stops37h 25mMultiple Airlines
Deal found 11/10$1,626
This BestPriceTravel deal was found by Cheapflights users on 11/12. 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.
Wed 12/1010:30 amPER - SEA
2 stops39h 20mJapan Airlines
Wed 12/1712:10 pmSEA - PER
2 stops42h 45mJapan Airlines
Deal found 11/12$1,633
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:40 pmPER - SEA
2 stops33h 15mMultiple Airlines
Tue 12/1612:10 amSEA - PER
2 stops51h 45mMultiple Airlines
Deal found 11/12$1,636
This Qatar Airways deal was found by Cheapflights users on 11/9. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:55 pmPER - SEA
1 stop35h 45mQatar Airways
Mon 11/244:05 pmSEA - PER
1 stop27h 50mQatar Airways
Deal found 11/9$1,741
This Qantas Airways deal was found by Cheapflights users on 11/11. 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.
Thu 11/2010:40 pmPER - SEA
2 stops37h 43mQantas Airways
Mon 11/244:47 pmSEA - PER
2 stops27h 38mQantas Airways
Deal found 11/11$1,811
This Globehunters deal was found by Cheapflights users on 11/10. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2012:15 pmPER - PDX
2 stops38h 38mVirgin Australia
Sun 12/77:43 pmPDX - PER
2 stops28h 27mVirgin Australia
Deal found 11/10$2,093
This Qantas Airways deal was found by Cheapflights users on 11/10. 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.
Thu 11/208:00 amPER - PDX
3 stops28h 37mMultiple Airlines
Sun 12/75:59 pmPDX - PER
2 stops26h 26mMultiple Airlines
Deal found 11/10$2,212

Cheapflights Fare Finder

 
Customize your flight search to find flights from Perth to Washington 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 November 12, 2025.
Use the filters below to find and compare flights from Perth to Washington that are best for you.

Fly from

Perth

Fly to

Washington

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/20

10:30 am-9:50 am

2 stops39h 20m

Seattle/Tacoma Intl

Mon 11/24

12:10 pm-10:55 pm

2 stops42h 45m

$1,563

PerthPortland

PER - PDX

PERPDX

Perth

Thu 12/25

12:15 pm-9:09 pm

2 stops24h 54m

Portland

Thu 1/1

7:00 am-12:25 pm

2 stops37h 25m

$1,626

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 12/10

10:30 am-9:50 am

2 stops39h 20m

Seattle/Tacoma Intl

Wed 12/17

12:10 pm-10:55 pm

2 stops42h 45m

$1,633

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/20

3:55 pm-11:40 am

1 stop35h 45m

Seattle/Tacoma Intl

Mon 11/24

4:05 pm-11:55 am

1 stop27h 50m

$1,741

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/20

10:40 pm-8:23 pm

2 stops37h 43m

Seattle/Tacoma Intl

Mon 11/24

4:47 pm-12:25 pm

2 stops27h 38m

$1,811

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 1/20

10:40 pm-12:29 pm

2 stops53h 49m

$658

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 1/19

12:25 am-9:55 am

2 stops25h 30m

$760

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 12/14

7:00 pm-2:36 pm

3 stops59h 36m

$789

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 1/20

1:50 pm-7:10 am

1 stop57h 20m

$1,009

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 1/20

10:55 pm-6:40 pm

1 stop35h 45m

$1,019

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 11 results
1
2

Best time to book a flight from Perth to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Perth 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 Perth to Washington

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

Currently, January is the cheapest month in which you can book a flight from Perth to State of Washington (average of $900). Flying from Perth to State of Washington in December is currently the most expensive (average of $1,357). 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.

How much does it cost to fly round-trip from Perth to State of Washington?

Related info for your journey

Find useful and relevant information for your journey from Perth to Washington. 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 from for flights from Perth to Washington?

    Perth (PER), located 6.3 mi from the city center, is the airport you fly out of when you book flights from Perth to Washington.

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

    There are many flights that can get you from Perth to State of Washington in 39h 20m. Fly via Japan Airlines to get the fastest option. The distance between Perth and State of Washington is about 9235 mi.

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

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

  • How can I find direct flights from Perth to Washington?

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

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

    Yes. Cheapflights offers flight deals from Perth to Washington 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 Perth to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Perth to State of Washington (average of $900). Flying from Perth to State of Washington in December is currently the most expensive (average of $1,357). 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

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 Perth to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Perth to John F Kennedy Intl flights
Perth to Los Angeles flights
Perth to Newark flights
Perth to Orlando flights
Perth to San Francisco flights
Perth to Dulles Intl flights
Perth to Baltimore flights
Perth to Hobby flights
Perth to Dallas/Fort Worth flights
Perth to Honolulu flights
Perth to Seattle flights
Perth to Las Vegas flights
Perth to O'Hare Intl flights
Perth to Fort Lauderdale flights
Perth to George Bush Intcntl flights
Perth to Portland flights
Perth to Cleveland flights
Perth to Sacramento flights
Perth to Anchorage flights
Perth to New Orleans flights
Perth to Oakland flights
Perth to Charlotte flights
Perth to Salt Lake City flights
Perth to Philadelphia flights
Perth to San Diego flights
Perth to Santa Rosa flights
Perth to San Antonio flights
Perth to Minneapolis flights
Perth to Des Moines flights
Perth to Denver flights
Perth to Detroit flights
Perth to Indianapolis flights
Perth to Kailua-Kona flights
Perth to Kahului flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.