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$751+ Cheap flights from Perth (PER) to Seattle (SEA)

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
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Perth to Seattle

Cheapest flights from Perth to Seattle
Explore the most affordable flight options available from Perth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Gotogate deal was found by Cheapflights users on 10/27. 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 10/304:45 pmPER - SEA
2 stops41h 55mMultiple Airlines
Fri 11/149:30 pmSEA - PER
1 stop41h 50mMultiple Airlines
Deal found 10/27$1,124
This Japan Airlines deal was found by Cheapflights users on 10/28. 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 11/2010:30 amPER - SEA
2 stops39h 20mJapan Airlines
Mon 11/2412:10 pmSEA - PER
2 stops42h 45mJapan Airlines
Deal found 10/28$1,403
This Trip.com deal was found by Cheapflights users on 10/28. 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 11/156:50 amPER - SEA
2 stops27h 20mMultiple Airlines
Sat 11/1511:30 pmSEA - PER
2 stops32h 50mMultiple Airlines
Deal found 10/28$1,418
This Gotogate deal was found by Cheapflights users on 10/27. 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 10/3010:30 amPER - SEA
2 stops39h 20mJapan Airlines
Fri 11/1412:10 pmSEA - PER
2 stops43h 45mJapan Airlines
Deal found 10/27$1,435
This Qatar Airways deal was found by Cheapflights users on 10/26. 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.
Thu 11/2010:45 pmPER - SEA
1 stop28h 55mQatar Airways
Mon 11/244:05 pmSEA - PER
1 stop34h 40mQatar Airways
Deal found 10/26$1,618

Cheap flight deals from Perth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,403
(Japan Airlines)

One-way from

$751
(Ovago)

Popular in

December

Cheapest in

September

Average price

$1,177
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 Seattle/Tacoma Intl
Search Deals
One-way flight from Perth to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Perth to Seattle 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 October 29, 2025.
Use the filters below to find and compare flights from Perth to Seattle that are best for you.

Fly from

Perth

Fly to

Seattle

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/20

10:30 am-9:50 am

2 stops39h 20m

Seattle/Tacoma Intl

Mon 11/24

12:10 pm-10:55 pm

2 stops42h 45m

$1,403

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 11/15

6:50 am-6:10 pm

2 stops27h 20m

Seattle/Tacoma Intl

Sat 11/15

11:30 pm-12:20 am

2 stops32h 50m

$1,418

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 11/20

10:45 pm-11:40 am

1 stop28h 55m

Seattle/Tacoma Intl

Mon 11/24

4:05 pm-6:45 pm

1 stop34h 40m

$1,618

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 1/20

10:45 pm-5:52 pm

2 stops35h 07m

$751

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 12/15

7:00 pm-5:30 pm

2 stops38h 30m

$848

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 1/19

12:25 am-9:55 am

2 stops25h 30m

$907

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 1/20

10:55 pm-6:40 pm

1 stop35h 45m

$907

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 1/20

10:55 pm-9:12 pm

3 stops38h 17m

$987

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 1/19

1:15 am-7:10 am

1 stop21h 55m

$1,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Perth to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Perth to Seattle in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Perth-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Perth-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Perth-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Perth-Seattle flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Perth-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Perth to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle

How far ahead should I book a flight from Perth to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Perth to Seattle. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Perth to Seattle?

Currently, January is the cheapest month in which you can book a flight from Perth to Seattle (average of $903). Flying from Perth to Seattle in December is currently the most expensive (average of $1,370). 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 Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Perth to Seattle?

    There are many flights that can get you from Perth to Seattle in 39h 20m. Fly via Japan Airlines to get the fastest option. The distance from Perth to Seattle is about 9235 mi.

  • Can I find deals for flights from Perth to Seattle that include hotel bookings?

    Yes. In addition to deals on Perth to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Perth to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Seattle.

  • Can I find deals for business class flights from Perth to Seattle?

    Yes. Cheapflights offers flight deals from Perth to Seattle 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 Seattle?

    Currently, January is the cheapest month in which you can book a flight from Perth to Seattle (average of $903). Flying from Perth to Seattle in December is currently the most expensive (average of $1,370). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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Alternative routes for Perth to Seattle

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