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$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
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
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 noviembre 13, 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.
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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
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Highest demand for flights based on searches. 6% potential increase in price ($86 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 November 2025
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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 noviembre 13, 2025.

This Japan Airlines 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1912:25 amPER - SEA
2 stops25h 25mJapan Airlines
lun. 11/2412:10 pmSEA - PER
2 stops42h 45mJapan Airlines
Deal found 11/11$1,570
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/138:00 amPER - PDX
2 stops37h 34mAlaska Airlines
lun. 11/177:09 amPDX - PER
2 stops33h 06mAlaska Airlines
Deal found 11/11$1,572
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.
mié. 12/1010:30 amPER - SEA
2 stops39h 20mJapan Airlines
mié. 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.
mié. 12/108:40 pmPER - SEA
2 stops33h 15mMultiple Airlines
mar. 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 11/11. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/203:55 pmPER - SEA
1 stop35h 45mQatar Airways
lun. 11/244:05 pmSEA - PER
1 stop34h 40mQatar Airways
Deal found 11/11$1,747
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/205:45 pmPER - SEA
2 stops42h 38mQantas Airways
lun. 11/244:47 pmSEA - PER
2 stops32h 33mQantas Airways
Deal found 11/12$1,790
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1310:45 pmPER - PDX
2 stops39h 49mQantas Airways
lun. 11/177:20 amPDX - PER
2 stops36h 45mQantas Airways
Deal found 11/12$1,833
This Globehunters 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2012:15 pmPER - PDX
2 stops38h 38mVirgin Australia
dom. 12/710:10 amPDX - PER
2 stops38h 00mVirgin Australia
Deal found 11/12$2,102
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.
jue. 11/208:00 amPER - PDX
3 stops28h 37mMultiple Airlines
dom. 12/74:00 pmPDX - PER
2 stops26h 05mMultiple Airlines
Deal found 11/11$2,250
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1212:25 amPER - PDX
2 stops29h 25mCathay Pacific
lun. 11/175:41 pmPDX - PER
2 stops37h 14mCathay Pacific
Deal found 11/11$2,438

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 noviembre 13, 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

dom. 2/22

12:25 am-9:55 am

2 stops25h 30m

Seattle/Tacoma Intl

lun. 3/16

1:30 pm-11:55 pm

2 stops43h 25m

$1,317

PerthSeattle

PER - SEA

PERSEA

Perth

vie. 4/3

8:30 pm-6:50 pm

2 stops37h 20m

Seattle/Tacoma Intl

vie. 4/24

1:30 am-4:00 am

2 stops35h 30m

$1,399

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 4/2

4:55 am-10:40 am

2 stops44h 45m

Seattle/Tacoma Intl

vie. 4/24

12:50 pm-12:55 pm

2 stops33h 05m

$1,401

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 4/2

4:55 am-10:40 am

2 stops44h 45m

Seattle/Tacoma Intl

sáb. 4/25

12:50 pm-12:55 pm

2 stops33h 05m

$1,442

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 2/23

8:40 pm-3:05 pm

3 stops34h 25m

Seattle/Tacoma Intl

dom. 3/15

1:10 am-3:55 am

3 stops35h 45m

$1,497

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 4/2

8:30 am-8:10 pm

1 stop26h 40m

Seattle/Tacoma Intl

vie. 4/24

11:05 pm-7:15 am

1 stop41h 10m

$1,552

PerthSeattle

PER - SEA

PERSEA

Perth

mié. 12/10

10:30 am-9:50 am

2 stops39h 20m

Seattle/Tacoma Intl

mié. 12/17

12:10 pm-10:55 pm

2 stops42h 45m

$1,633

PerthSeattle

PER - SEA

PERSEA

Perth

vie. 4/3

3:40 pm-12:45 pm

1 stop36h 05m

Seattle/Tacoma Intl

sáb. 4/25

4:30 pm-6:40 pm

1 stop35h 10m

$1,643

PerthSeattle

PER - SEA

PERSEA

Perth

jue. 4/2

12:10 am-2:22 pm

3 stops29h 12m

Seattle/Tacoma Intl

sáb. 4/25

1:30 pm-7:45 am

2 stops27h 15m

$1,643

PerthSeattle

PER - SEA

PERSEA

Perth

mié. 4/1

1:10 am-8:45 am

1 stop22h 35m

Seattle/Tacoma Intl

sáb. 4/25

10:15 am-12:30 pm

1 stop35h 15m

$1,682

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 29 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 $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.

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 30m. Fly via Japan Airlines or Alaska 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 $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

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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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