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$616+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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 18, 2026.

This Trip.com deal was found by Cheapflights users on 2/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:35 am
PER
-
SEA
2 stops28h 35m
Multiple Airlines
Tue 4/211:15 am
SEA
-
PER
2 stops48h 55m
Multiple Airlines
Deal found 2/14$1,102
This Trip.com deal was found by Cheapflights users on 2/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:35 am
PER
-
SEA
2 stops28h 35m
Multiple Airlines
Tue 3/241:10 am
SEA
-
PER
2 stops48h 20m
Multiple Airlines
Deal found 2/14$1,113
This Trip.com deal was found by Cheapflights users on 2/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
PER
-
SEA
2 stops26h 30m
Multiple Airlines
Fri 10/301:10 am
SEA
-
PER
2 stops36h 30m
Multiple Airlines
Deal found 2/16$1,220
This BYOjet deal was found by Cheapflights users on 2/16. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:15 am
PER
-
SEA
1 stop21h 55m
Singapore Airlines
Sat 10/319:45 am
SEA
-
PER
1 stop38h 00m
Singapore Airlines
Deal found 2/16$1,221
This Bravofly deal was found by Cheapflights users on 2/15. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:10 am
PER
-
SEA
2 stops25h 25m
Japan Airlines
Wed 5/271:15 pm
SEA
-
PER
2 stops50h 35m
Japan Airlines
Deal found 2/15$1,247
This Japan Airlines 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 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 stops26h 35m
Japan Airlines
Deal found 2/17$1,259
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 7/16:25 pm
PER
-
SEA
2 stops30h 55m
Multiple Airlines
Tue 8/2512:25 pm
SEA
-
PER
2 stops37h 45m
Multiple Airlines
Deal found 2/17$1,303
This Singapore Airlines deal was found by Cheapflights users on 2/14. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:55 pm
PER
-
SEA
1 stop30h 50m
Singapore Airlines
Thu 5/2810:15 am
SEA
-
PER
1 stop22h 40m
Singapore Airlines
Deal found 2/14$1,311
This Air Canada deal was found by Cheapflights users on 2/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:45 pm
PER
-
SEA
2 stops24h 30m
Multiple Airlines
Thu 5/287:20 pm
SEA
-
PER
2 stops28h 35m
Multiple Airlines
Deal found 2/14$1,337
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 Bravofly deal was found by Cheapflights users on 2/14. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:55 pm
PER
-
PDX
2 stops39h 47m
Qantas Airways
Sun 3/225:38 pm
PDX
-
PER
2 stops33h 37m
Qantas Airways
Deal found 2/14$1,494
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

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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,113
(Trip.com)

One-way from

$616
(KAYAK)

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 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

Sat 3/7

5:35 am-6:10 pm

2 stops28h 35m

Seattle/Tacoma Intl

Tue 3/24

1:10 am-4:30 pm

2 stops48h 20m

$1,113

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

$1,259

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 7/1

6:25 pm-10:20 am

2 stops30h 55m

Seattle/Tacoma Intl

Tue 8/25

12:25 pm-5:10 pm

2 stops37h 45m

$1,303

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

$1,311

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

$1,337

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 3/31

6:05 pm-1:07 pm

2 stops34h 02m

Seattle/Tacoma Intl

Tue 4/7

10:15 am-5:10 pm

1 stop39h 55m

$1,341

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 6/12

12:10 am-10:50 am

2 stops25h 40m

Seattle/Tacoma Intl

Sun 6/28

1:25 pm-10:40 pm

2 stops42h 15m

$1,383

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 5/13

4:55 pm-2:36 pm

2 stops60h 41m

Seattle/Tacoma Intl

Tue 5/26

7:00 am-5:10 am

2 stops31h 10m

$1,390

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

4:55 pm-9:06 pm

2 stops43h 11m

Seattle/Tacoma Intl

Wed 5/27

7:05 pm-2:40 pm

2 stops28h 35m

$1,411

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 23 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 Japan Airlines, Singapore 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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