HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$568+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 diciembre 12, 2025.

This Trip.com deal was found by Cheapflights users on 12/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/244:55 amPER - SEA
2 stops29h 15mMultiple Airlines
dom. 1/2512:10 amSEA - PER
2 stops35h 55mMultiple Airlines
Deal found 12/11$1,499
This Aunt Betty deal was found by Cheapflights users on 12/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2412:25 amPER - SEA
3 stops30h 02mJapan Airlines
lun. 1/2612:30 pmSEA - PER
2 stops43h 25mJapan Airlines
Deal found 12/11$1,784

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,066
(Japan Airlines)

One-way from

$568
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,556
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 ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 diciembre 12, 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

sáb. 5/2

12:10 am-10:25 am

2 stops25h 15m

Seattle/Tacoma Intl

mié. 5/6

1:30 pm-12:40 am

2 stops44h 10m

$1,066

PerthSeattle

PER - SEA

PERSEA

Perth

dom. 1/25

10:30 am-9:55 am

2 stops39h 25m

Seattle/Tacoma Intl

dom. 2/1

12:30 pm-10:55 pm

2 stops42h 25m

$1,077

PerthSeattle

PER - SEA

PERSEA

Perth

sáb. 1/24

11:10 pm-9:31 am

2 stops26h 21m

Seattle/Tacoma Intl

sáb. 1/31

8:00 pm-10:15 pm

2 stops34h 15m

$1,103

PerthSeattle

PER - SEA

PERSEA

Perth

dom. 1/25

11:10 pm-2:31 pm

2 stops31h 21m

Seattle/Tacoma Intl

dom. 2/8

5:50 am-10:15 pm

2 stops48h 25m

$1,124

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 2/16

2:35 pm-6:40 pm

3 stops44h 05m

Seattle/Tacoma Intl

mié. 3/4

9:30 pm-7:20 am

1 stop41h 50m

$1,158

PerthSeattle

PER - SEA

PERSEA

Perth

vie. 1/23

11:10 pm-10:06 pm

2 stops38h 56m

Seattle/Tacoma Intl

vie. 1/30

8:00 pm-10:15 pm

2 stops34h 15m

$1,190

PerthSeattle

PER - SEA

PERSEA

Perth

dom. 1/25

9:55 pm-1:20 pm

1 stop31h 25m

Seattle/Tacoma Intl

dom. 2/8

3:45 pm-8:10 pm

1 stop36h 25m

$1,314

PerthSeattle

PER - SEA

PERSEA

Perth

dom. 1/25

5:15 am-10:06 pm

3 stops32h 51m

Seattle/Tacoma Intl

dom. 2/1

8:45 am-4:30 am

2 stops27h 45m

$1,384

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 2/9

8:40 pm-6:40 pm

3 stops38h 00m

$568

PerthSeattle

PER - SEA

PERSEA

Perth

lun. 3/16

5:15 am-9:00 am

3 stops42h 45m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 20 results
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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Perth-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 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 $897). Flying from Perth to Seattle 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 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 25h 15m. 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 $897). Flying from Perth to Seattle 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

Traveling to a place near Seattle?

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

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.

Alternative routes for Perth to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Perth to Portland flights

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.