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$655+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
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 February 22, 2026.

This Flightnetwork deal was found by Cheapflights users on 2/18. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:40 am
PER
-
SEA
1 stop26h 00m
Philippine Airlines
Wed 3/1810:30 pm
SEA
-
PER
1 stop41h 50m
Philippine Airlines
Deal found 2/18$1,108
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:40 pm
PER
-
SEA
3 stops34h 21m
Multiple Airlines
Wed 3/1810:30 pm
SEA
-
PER
1 stop41h 50m
Multiple Airlines
Deal found 2/18$1,129
This Gotogate deal was found by Cheapflights users on 2/19. 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.
Thu 3/198:40 am
PER
-
SEA
1 stop26h 00m
Philippine Airlines
Thu 3/2610:30 pm
SEA
-
PER
1 stop41h 45m
Philippine Airlines
Deal found 2/19$1,184
This Trip.com deal was found by Cheapflights users on 2/19. 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 10/147:00 am
PER
-
SEA
2 stops27h 20m
Multiple Airlines
Tue 10/201:30 am
SEA
-
PER
2 stops49h 25m
Multiple Airlines
Deal found 2/19$1,197
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Thu 3/199:10 pm
PER
-
SEA
2 stops32h 45m
Multiple Airlines
Thu 3/269:45 am
SEA
-
PER
1 stop27h 30m
Multiple Airlines
Deal found 2/19$1,236
This Japan Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 5/1012:10 am
PER
-
SEA
2 stops25h 25m
Japan Airlines
Thu 5/281:15 pm
SEA
-
PER
2 stops42h 25m
Japan Airlines
Deal found 2/20$1,295
This Trip.com deal was found by Cheapflights users on 2/19. 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 8/76:25 pm
PER
-
SEA
2 stops40h 25m
Multiple Airlines
Thu 8/202:10 am
SEA
-
PER
2 stops35h 10m
Multiple Airlines
Deal found 2/19$1,304
This Qantas Airways deal was found by Cheapflights users on 2/17. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:20 am
PER
-
PDX
2 stops26h 32m
Multiple Airlines
Wed 3/255:38 pm
PDX
-
PER
2 stops27h 47m
Multiple Airlines
Deal found 2/17$1,446
This Trip.com deal was found by Cheapflights users on 2/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1810:20 am
PER
-
PDX
2 stops26h 32m
Qantas Airways
Wed 3/255:38 pm
PDX
-
PER
2 stops27h 47m
Qantas Airways
Deal found 2/17$1,499
This Qantas Airways deal was found by Cheapflights users on 2/19. 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 3/197:30 am
PER
-
PDX
2 stops29h 22m
Qantas Airways
Mon 3/235:38 pm
PDX
-
PER
2 stops36h 57m
Qantas Airways
Deal found 2/19$1,543
This BYOjet deal was found by Cheapflights users on 2/20. 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.
Tue 4/711:45 pm
PER
-
PDX
2 stops31h 48m
Virgin Australia
Tue 4/147:14 pm
PDX
-
PER
2 stops33h 56m
Virgin Australia
Deal found 2/20$1,572
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1911:45 pm
PER
-
PDX
2 stops34h 02m
United Airlines
Mon 3/237:30 am
PDX
-
PER
2 stops30h 55m
United Airlines
Deal found 2/18$1,591

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 February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,108
(Flightnetwork)

One-way from

$653
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$1,010
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 ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 22, 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

Thu 3/5

8:40 pm-3:01 pm

3 stops34h 21m

Seattle/Tacoma Intl

Wed 3/18

10:30 pm-7:20 am

1 stop41h 50m

$1,129

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/19

8:40 am-7:40 pm

1 stop26h 00m

Seattle/Tacoma Intl

Thu 3/26

10:30 pm-7:15 am

1 stop41h 45m

$1,184

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/19

9:10 pm-2:55 pm

2 stops32h 45m

Seattle/Tacoma Intl

Thu 3/26

9:45 am-4:15 am

1 stop27h 30m

$1,236

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 5/10

12:10 am-10:35 am

2 stops25h 25m

Seattle/Tacoma Intl

Thu 5/28

1:15 pm-6:50 am

2 stops26h 35m

$1,308

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

4:55 pm-8:45 am

1 stop30h 50m

Seattle/Tacoma Intl

Thu 5/28

10:15 am-11:55 pm

1 stop22h 40m

$1,349

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

11:45 pm-9:15 am

2 stops24h 30m

Seattle/Tacoma Intl

Thu 5/28

7:20 pm-2:55 pm

2 stops28h 35m

$1,353

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 8/6

12:10 am-10:50 am

2 stops25h 40m

Seattle/Tacoma Intl

Fri 8/21

1:25 pm-10:40 pm

2 stops42h 15m

$1,355

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 4/7

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Tue 4/14

11:10 pm-7:15 am

1 stop41h 05m

$1,385

PerthPortland

PER - PDX

PERPDX

Perth

Wed 3/18

10:20 am-9:52 pm

2 stops26h 32m

Portland

Wed 3/25

5:38 pm-12:25 pm

2 stops27h 47m

$1,446

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/19

8:00 am-10:42 pm

2 stops29h 42m

Seattle/Tacoma Intl

Mon 3/23

1:54 pm-12:25 pm

2 stops31h 31m

$1,463

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 36 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 $885). 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 25h 25m. Fly via Philippine Airlines, Japan Airlines, or Qantas Airways 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 $885). 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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