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$922+ Cheap flights from Perth (PER) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
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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 January 18, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$922
(Gotogate)

Popular in

December

Cheapest in

February

Average price

$1,408
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
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 18, 2026.

This Gotogate deal was found by Cheapflights users on 1/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:30 am
PER
-
SEA
2 stops39h 25m
Japan Airlines
Tue 3/101:30 pm
SEA
-
PER
2 stops43h 25m
Japan Airlines
Deal found 1/17$922
This Gotogate deal was found by Cheapflights users on 1/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:25 pm
PER
-
SEA
2 stops37h 00m
Japan Airlines
Wed 6/31:30 pm
SEA
-
PER
2 stops44h 10m
Japan Airlines
Deal found 1/16$982
This Ovago deal was found by Cheapflights users on 1/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:30 am
PER
-
SEA
2 stops39h 25m
Japan Airlines
Wed 3/111:30 pm
SEA
-
PER
2 stops43h 25m
Japan Airlines
Deal found 1/18$987
This FlightHub deal was found by Cheapflights users on 1/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:10 am
PER
-
SEA
2 stops25h 25m
Japan Airlines
Mon 9/211:30 pm
SEA
-
PER
2 stops27h 15m
Japan Airlines
Deal found 1/16$1,101
This BYOjet deal was found by Cheapflights users on 1/18. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:40 am
PER
-
SEA
1 stop40h 30m
Singapore Airlines
Sat 3/289:45 am
SEA
-
PER
1 stop28h 25m
Singapore Airlines
Deal found 1/18$1,134
This BYOjet deal was found by Cheapflights users on 1/18. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:40 am
PER
-
SEA
1 stop40h 30m
Singapore Airlines
Thu 4/210:15 am
SEA
-
PER
1 stop27h 55m
Singapore Airlines
Deal found 1/18$1,136
This Trip.com deal was found by Cheapflights users on 1/18. 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.
Sat 3/215:35 am
PER
-
SEA
2 stops27h 55m
Multiple Airlines
Sat 3/2811:50 pm
SEA
-
PER
2 stops37h 25m
Multiple Airlines
Deal found 1/18$1,149
This Japan Airlines deal was found by Cheapflights users on 1/17. 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 2/1910:30 am
PER
-
SEA
2 stops39h 25m
Japan Airlines
Mon 2/2312:30 pm
SEA
-
PER
2 stops42h 25m
Japan Airlines
Deal found 1/17$1,195
This Philippine Airlines deal was found by Cheapflights users on 1/18. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:40 am
PER
-
SEA
1 stop26h 00m
Philippine Airlines
Tue 3/3111:10 pm
SEA
-
PER
1 stop41h 05m
Philippine Airlines
Deal found 1/18$1,197
This Trip.com deal was found by Cheapflights users on 1/18. 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.
Fri 3/205:35 am
PER
-
SEA
2 stops28h 35m
Multiple Airlines
Wed 4/11:30 am
SEA
-
PER
2 stops35h 45m
Multiple Airlines
Deal found 1/18$1,201
This BYOjet deal was found by Cheapflights users on 1/17. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:15 am
PER
-
SEA
2 stops30h 49m
Multiple Airlines
Tue 3/109:45 am
SEA
-
PER
1 stop28h 40m
Multiple Airlines
Deal found 1/17$1,203
This American Airlines deal was found by Cheapflights users on 1/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:40 pm
PER
-
PDX
2 stops39h 29m
American Airlines
Mon 3/236:40 am
PDX
-
PER
2 stops38h 25m
American Airlines
Deal found 1/17$1,610

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 January 18, 2026.
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

Tue 3/3

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Tue 3/10

1:30 pm-11:55 pm

2 stops43h 25m

$922

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 5/19

12:25 pm-10:25 am

2 stops37h 00m

Seattle/Tacoma Intl

Wed 6/3

1:30 pm-12:40 am

2 stops44h 10m

$982

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 2/19

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

Mon 2/23

12:30 pm-10:55 pm

2 stops42h 25m

$1,196

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 3/2

1:15 am-4:04 pm

2 stops30h 49m

Seattle/Tacoma Intl

Tue 3/10

9:45 am-5:25 am

1 stop28h 40m

$1,203

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 5/19

7:35 am-8:05 pm

2 stops27h 30m

Seattle/Tacoma Intl

Wed 6/3

11:10 pm-7:15 am

1 stop41h 05m

$1,247

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 3/4

5:05 pm-7:10 am

1 stop54h 05m

Seattle/Tacoma Intl

Wed 3/11

3:50 pm-12:35 pm

2 stops29h 45m

$1,414

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 3/18

1:50 pm-8:10 am

1 stop33h 20m

Seattle/Tacoma Intl

Tue 3/31

10:15 am-5:10 am

1 stop27h 55m

$1,519

PerthPortland

PER - PDX

PERPDX

Perth

Thu 3/19

10:40 pm-11:09 pm

2 stops39h 29m

Portland

Mon 3/23

6:40 am-12:05 pm

2 stops38h 25m

$1,610

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 1/29

10:45 pm-9:55 am

2 stops27h 10m

$1,429

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

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 $895). Flying from Perth to State of Washington in December is currently the most expensive (average of $1,332). 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 25m. Fly via Japan Airlines or American Airlines 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 $895). Flying from Perth to State of Washington in December is currently the most expensive (average of $1,332). 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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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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