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$568+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Trip.com deal was found by Cheapflights users on 12/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:55 amPER - SEA
2 stops29h 15mMultiple Airlines
Sun 1/2512:10 amSEA - PER
2 stops35h 55mMultiple Airlines
Deal found 12/11$1,499
This Aunt Betty deal was found by Cheapflights users on 12/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:25 amPER - SEA
3 stops30h 02mJapan Airlines
Mon 1/2612:30 pmSEA - PER
2 stops43h 25mJapan Airlines
Deal found 12/11$1,784

Find flight deals from Perth to Washington

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,066
(Japan Airlines)

One-way from

$568
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,556
Provider with most accurate pricing for Perth-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Perth-Seattle/Tacoma Intl flights.
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From Perth to Washington
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One-way flight from Perth to Washington
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 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

Sat 5/2

12:10 am-10:25 am

2 stops25h 15m

Seattle/Tacoma Intl

Wed 5/6

1:30 pm-12:40 am

2 stops44h 10m

$1,066

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 1/25

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Sun 2/1

12:30 pm-10:55 pm

2 stops42h 25m

$1,077

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 1/24

11:10 pm-9:31 am

2 stops26h 21m

Seattle/Tacoma Intl

Sat 1/31

8:00 pm-10:15 pm

2 stops34h 15m

$1,103

PerthPortland

PER - PDX

PERPDX

Perth

Sat 1/24

11:10 pm-6:30 pm

2 stops35h 20m

Portland

Sat 1/31

7:00 pm-10:15 pm

2 stops35h 15m

$1,103

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 1/25

11:10 pm-2:31 pm

2 stops31h 21m

Seattle/Tacoma Intl

Sun 2/8

5:50 am-10:15 pm

2 stops48h 25m

$1,124

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 2/16

2:35 pm-6:40 pm

3 stops44h 05m

Seattle/Tacoma Intl

Wed 3/4

9:30 pm-7:20 am

1 stop41h 50m

$1,158

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 1/23

11:10 pm-10:06 pm

2 stops38h 56m

Seattle/Tacoma Intl

Fri 1/30

8:00 pm-10:15 pm

2 stops34h 15m

$1,190

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 1/25

9:55 pm-1:20 pm

1 stop31h 25m

Seattle/Tacoma Intl

Sun 2/8

3:45 pm-8:10 pm

1 stop36h 25m

$1,314

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 1/25

5:15 am-10:06 pm

3 stops32h 51m

Seattle/Tacoma Intl

Sun 2/1

8:45 am-4:30 am

2 stops27h 45m

$1,384

PerthPortland

PER - PDX

PERPDX

Perth

Sun 5/3

10:40 pm-9:30 am

2 stops25h 50m

Portland

Wed 5/6

10:10 am-5:00 pm

2 stops39h 50m

$1,610

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 25 results
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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 $897). 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.

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 25h 15m. Fly via Japan Airlines or Air Canada to get the fastest option. The distance between Perth and State of Washington is about 9235 mi. This flight may include one or multiple stops.

  • 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 $897). 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.

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Alternative routes for Perth to Washington

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