Seattle

$722+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Jul 12 — Jul 191
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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 June 12, 2026.

This Philippine Airlines deal was found by Cheapflights users on 6/7. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:30 am
PER
-
SEA
1 stop26h 05m
Philippine Airlines
Mon 11/1611:55 pm
SEA
-
PER
1 stop39h 20m
Philippine Airlines
Deal found 6/7$1,225
This Bravofly deal was found by Cheapflights users on 6/10. 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.
Wed 7/2210:35 am
PER
-
SEA
2 stops26h 23m
Qantas Airways
Wed 7/296:10 pm
SEA
-
PER
2 stops31h 50m
Qantas Airways
Deal found 6/10$1,280
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Wed 8/1211:05 pm
PER
-
SEA
2 stops26h 02m
Multiple Airlines
Wed 9/93:00 pm
SEA
-
PER
2 stops33h 45m
Multiple Airlines
Deal found 6/8$1,294
This lol.travel deal was found by Cheapflights users on 6/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:35 am
PER
-
SEA
1 stop26h 30m
Philippine Airlines
Wed 7/111:10 pm
SEA
-
PER
1 stop41h 05m
Philippine Airlines
Deal found 6/10$1,370
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:45 pm
PER
-
SEA
2 stops29h 03m
American Airlines
Tue 2/92:10 pm
SEA
-
PER
2 stops29h 05m
American Airlines
Deal found 6/11$1,371
This oojo deal was found by Cheapflights users on 6/8. 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.
Sun 8/211:45 pm
PER
-
SEA
2 stops36h 11m
Qantas Airways
Tue 2/95:55 pm
SEA
-
PER
2 stops26h 55m
Qantas Airways
Deal found 6/8$1,387
This American Airlines deal was found by Cheapflights users on 6/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:45 pm
PER
-
SEA
2 stops29h 12m
American Airlines
Wed 7/82:38 pm
SEA
-
PER
2 stops31h 57m
American Airlines
Deal found 6/8$1,402
This Ovago deal was found by Cheapflights users on 6/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:30 am
PER
-
SEA
2 stops26h 15m
Qantas Airways
Thu 7/302:20 pm
SEA
-
PER
2 stops29h 55m
Qantas Airways
Deal found 6/8$1,468

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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,225
(Philippine Airlines)

One-way from

$722
(Air Canada)

Popular in

March

Cheapest in

February

Average price

$1,612
Provider with most accurate pricing for Perth-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Perth-Seattle/Tacoma Intl flights.
From Perth to Seattle/Tacoma Intl
One-way flight from Perth to Seattle/Tacoma Intl
Highest demand for flights based on searches. 2% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 12, 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

Wed 8/12

1:45 pm-8:45 am

1 stop34h 00m

Seattle/Tacoma Intl

Wed 9/9

6:55 pm-2:40 pm

2 stops28h 45m

$1,895

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 7/25

10:30 am-5:53 am

3 stops34h 23m

Seattle/Tacoma Intl

Sat 8/1

5:36 pm-11:20 am

2 stops26h 44m

$1,996

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 7/25

10:20 pm-1:25 pm

1 stop30h 05m

Seattle/Tacoma Intl

Sat 8/1

5:15 pm-5:35 pm

1 stop33h 20m

$2,196

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 7/10

6:15 am-8:56 pm

3 stops29h 41m

Seattle/Tacoma Intl

Fri 7/17

5:36 pm-1:45 pm

3 stops29h 09m

$3,796
Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 6/27

6:15 am-8:01 pm

3 stops28h 46m

Seattle/Tacoma Intl

Sat 7/4

5:36 pm-1:45 pm

3 stops29h 09m

$3,970

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 9/15

12:15 pm-10:35 am

2 stops37h 20m

Seattle/Tacoma Intl

Wed 10/14

1:15 pm-10:40 pm

2 stops42h 25m

$5,595

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/24

12:10 am-10:35 am

2 stops25h 25m

Seattle/Tacoma Intl

Fri 10/23

1:15 pm-11:55 pm

2 stops43h 40m

$5,848

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 9/25

3:40 pm-12:25 pm

1 stop35h 45m

Seattle/Tacoma Intl

Fri 10/23

4:25 pm-11:55 am

1 stop28h 30m

$6,771
Cheapest one-way

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 7/20

10:40 pm-2:22 pm

2 stops30h 42m

$770

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 6/18

5:35 am-3:15 pm

3 stops48h 40m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 12 resultsSorted by cheapest first
1
2
  • 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

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

Currently, February is the cheapest month in which you can book a flight from Perth to Seattle (average of $923). Flying from Perth to Seattle in March is currently the most expensive (average of $1,650). 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 Seattle?

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 21h 55m. Fly via Singapore 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, February is the cheapest month in which you can book a flight from Perth to Seattle (average of $923). Flying from Perth to Seattle in March is currently the most expensive (average of $1,650). 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
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

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