HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$868+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Perth to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 28, 2026.

This lol.travel deal was found by Cheapflights users on 4/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:35 pm
PER
-
SEA
1 stop31h 50m
ANA
Sat 6/274:30 pm
SEA
-
PER
1 stop36h 30m
ANA
Deal found 4/27$1,090
This Trip.com deal was found by Cheapflights users on 4/24. 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 9/39:35 pm
PER
-
SEA
1 stop31h 50m
ANA
Tue 9/154:30 pm
SEA
-
PER
1 stop36h 30m
ANA
Deal found 4/24$1,213
This Jettzy deal was found by Cheapflights users on 4/24. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:35 pm
PER
-
SEA
1 stop31h 50m
ANA
Sat 5/304:30 pm
SEA
-
PER
1 stop36h 30m
ANA
Deal found 4/24$1,246
This Bravofly deal was found by Cheapflights users on 4/24. 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 9/212:10 am
PER
-
SEA
2 stops25h 25m
Japan Airlines
Tue 9/151:15 pm
SEA
-
PER
2 stops26h 35m
Japan Airlines
Deal found 4/24$1,302
This FlightHub deal was found by Cheapflights users on 4/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:10 am
PER
-
SEA
2 stops25h 40m
Japan Airlines
Mon 9/71:15 pm
SEA
-
PER
2 stops44h 25m
Japan Airlines
Deal found 4/24$1,310
This Gotogate deal was found by Cheapflights users on 4/24. 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.
Wed 9/212:10 am
PER
-
SEA
2 stops25h 25m
Japan Airlines
Thu 9/31:15 pm
SEA
-
PER
2 stops44h 25m
Japan Airlines
Deal found 4/24$1,313
This lol.travel deal was found by Cheapflights users on 4/28. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:40 pm
PER
-
SEA
2 stops26h 25m
Multiple Airlines
Tue 6/237:20 pm
SEA
-
PER
2 stops26h 35m
Multiple Airlines
Deal found 4/28$1,322
This BYOjet deal was found by Cheapflights users on 4/25. 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 6/810:40 pm
PER
-
SEA
2 stops34h 50m
Air Canada
Tue 6/233:00 pm
SEA
-
PER
2 stops33h 45m
Air Canada
Deal found 4/25$1,348
This Bravofly deal was found by Cheapflights users on 4/24. 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.
Mon 6/810:55 pm
PER
-
SEA
2 stops38h 49m
Qantas Airways
Mon 6/152:40 pm
SEA
-
PER
2 stops33h 45m
Qantas Airways
Deal found 4/24$1,360
This Expedia deal was found by Cheapflights users on 4/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:15 pm
PER
-
SEA
2 stops37h 20m
Japan Airlines
Sun 10/181:15 pm
SEA
-
PER
2 stops26h 35m
Japan Airlines
Deal found 4/24$1,415

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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,090
(lol.travel)

One-way from

$868
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$1,641
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. 4% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 28, 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

Sat 6/13

9:35 pm-2:25 pm

1 stop31h 50m

Seattle/Tacoma Intl

Sat 6/27

4:30 pm-8:00 pm

1 stop36h 30m

$1,090

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 6/8

10:40 pm-10:05 am

2 stops26h 25m

Seattle/Tacoma Intl

Tue 6/23

7:20 pm-12:55 pm

2 stops26h 35m

$1,322

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 6/8

11:45 pm-12:34 pm

2 stops27h 49m

Seattle/Tacoma Intl

Tue 6/23

7:05 pm-2:40 pm

2 stops28h 35m

$1,494

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 9/21

11:45 pm-6:29 pm

2 stops33h 44m

Seattle/Tacoma Intl

Wed 10/21

6:51 pm-2:40 pm

2 stops28h 49m

$1,752

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 5/23

9:35 pm-2:25 pm

1 stop31h 50m

Seattle/Tacoma Intl

Sat 5/30

10:45 am-8:00 pm

2 stops42h 15m

$1,777

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 9/24

10:40 pm-12:20 pm

2 stops28h 40m

Seattle/Tacoma Intl

Tue 10/20

5:20 pm-2:40 pm

2 stops30h 20m

$1,804

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 6/8

10:20 pm-1:25 pm

1 stop30h 05m

Seattle/Tacoma Intl

Tue 6/23

5:15 pm-5:35 pm

1 stop33h 20m

$2,105
Quickest round-trip

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 6/12

12:25 pm-9:34 pm

2 stops24h 09m

Seattle/Tacoma Intl

Fri 6/19

3:55 pm-11:15 am

3 stops28h 20m

$2,515

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 6/17

1:45 pm-8:45 am

1 stop34h 00m

Seattle/Tacoma Intl

Wed 7/8

5:48 pm-2:40 pm

2 stops29h 52m

$2,583
Cheapest one-way

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 6/12

8:00 pm-2:05 pm

3 stops57h 05m

$868

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 18 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

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

To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 59 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, 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 27h 49m. Fly via ANA or United Airlines 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, 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
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.