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$744+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap 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 March 10, 2026.

This Philippine Airlines deal was found by Cheapflights users on 3/6. 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 9/38:35 am
PER
-
SEA
1 stop26h 30m
Philippine Airlines
Fri 9/1811:10 pm
SEA
-
PER
1 stop41h 05m
Philippine Airlines
Deal found 3/6$886
This Philippine Airlines deal was found by Cheapflights users on 3/6. 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 8/278:35 am
PER
-
SEA
1 stop26h 30m
Philippine Airlines
Fri 9/2511:10 pm
SEA
-
PER
1 stop41h 05m
Philippine Airlines
Deal found 3/6$1,016
This Trip.com deal was found by Cheapflights users on 3/6. 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.
Thu 10/11:35 am
PER
-
SEA
2 stops33h 30m
Multiple Airlines
Fri 10/3011:55 pm
SEA
-
PER
2 stops33h 35m
Multiple Airlines
Deal found 3/6$1,069
This Philippine Airlines deal was found by Cheapflights users on 3/6. 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 10/18:35 am
PER
-
SEA
1 stop26h 30m
Philippine Airlines
Fri 10/3011:55 pm
SEA
-
PER
1 stop40h 20m
Philippine Airlines
Deal found 3/6$1,088
This Trip.com deal was found by Cheapflights users on 3/6. 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 9/55:35 am
PER
-
SEA
2 stops28h 25m
Multiple Airlines
Fri 9/181:30 am
SEA
-
PER
2 stops39h 40m
Multiple Airlines
Deal found 3/6$1,133
This Trip.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/235:35 am
PER
-
SEA
2 stops25h 35m
Multiple Airlines
Wed 4/291:15 am
SEA
-
PER
2 stops36h 05m
Multiple Airlines
Deal found 3/9$1,142
This oojo deal was found by Cheapflights users on 3/7. 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 oojo 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
Wed 4/111:10 pm
SEA
-
PER
1 stop41h 05m
Philippine Airlines
Deal found 3/7$1,200
This Trip.com deal was found by Cheapflights users on 3/6. 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 8/295:35 am
PER
-
SEA
2 stops29h 10m
Multiple Airlines
Thu 9/241:15 am
SEA
-
PER
2 stops36h 05m
Multiple Airlines
Deal found 3/6$1,202
This BYOjet deal was found by Cheapflights users on 3/6. 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 9/41:10 am
PER
-
SEA
1 stop22h 35m
Singapore Airlines
Sat 9/1910:15 am
SEA
-
PER
1 stop35h 15m
Singapore Airlines
Deal found 3/6$1,213
This Qantas Airways deal was found by Cheapflights users on 3/6. 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 4/2910:30 am
PER
-
SEA
2 stops24h 23m
Qantas Airways
Tue 5/127:06 pm
SEA
-
PER
2 stops30h 54m
Qantas Airways
Deal found 3/6$1,228
This Flightnetwork deal was found by Cheapflights users on 3/6. 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 4/308:35 am
PER
-
SEA
1 stop26h 30m
Philippine Airlines
Wed 5/611:10 pm
SEA
-
PER
1 stop41h 05m
Philippine Airlines
Deal found 3/6$1,248

Find 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$886
(Philippine Airlines)

One-way from

$637
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$1,650
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 Seattle/Tacoma Intl
Search Deals
One-way flight from Perth to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 10, 2026.
Use the filters below to find and compare flights from Perth to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 4/23

5:35 am-4:10 pm

2 stops25h 35m

Seattle/Tacoma Intl

Wed 4/29

1:15 am-4:20 am

2 stops36h 05m

$1,142
Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

9:05 am-7:53 pm

2 stops25h 48m

Seattle/Tacoma Intl

Thu 5/28

5:28 pm-12:15 pm

2 stops27h 47m

$1,336

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 4/5

8:35 am-8:05 pm

1 stop26h 30m

Seattle/Tacoma Intl

Sun 4/12

4:25 pm-6:35 pm

1 stop35h 10m

$1,447

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 4/12

3:40 pm-12:45 pm

1 stop36h 05m

Seattle/Tacoma Intl

Mon 4/20

4:30 pm-6:35 pm

1 stop35h 05m

$1,586

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

8:10 am-8:50 pm

3 stops27h 40m

Seattle/Tacoma Intl

Thu 5/28

4:28 pm-11:15 am

2 stops27h 47m

$1,664

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 4/30

3:40 pm-12:45 pm

1 stop36h 05m

Seattle/Tacoma Intl

Sat 5/9

4:30 pm-11:55 am

1 stop28h 25m

$1,760

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 5/11

10:20 pm-1:25 pm

1 stop30h 05m

Seattle/Tacoma Intl

Thu 5/28

5:15 pm-5:35 pm

1 stop33h 20m

$1,888
Cheapest one-way

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 3/24

5:45 pm-9:05 am

3 stops54h 20m

$858
Quickest one-way

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 4/13

12:10 am-10:35 am

2 stops25h 25m

$899

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 3/21

7:00 pm-12:40 pm

2 stops56h 40m

$940

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub the most. FlightHub 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 March 6, 2026.

To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 60 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 $885). Flying from Perth to Seattle 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.

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 26h 30m. Fly via Philippine Airlines or Qatar Airways to get the fastest option. The distance from Perth to Seattle is about 9235 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $885). Flying from Perth to Seattle 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

Traveling to a place near Seattle?

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

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