Cheap flights from Perth to Seattle

Compare Perth to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from Perth to Seattle

Looking for a cheap last-minute deal or the best round-trip flight from Perth to Seattle? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Perth to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Perth to Seattle flights are currently cheapest in February.

Alternative Perth to Seattle routes

Looking for the cheapest, fastest or easiest route from Perth to Seattle? You could fly into the following airports instead.

Perth to Seattle: Flight information

The things to know before you go.
Cheapest flight found$1,144
Cheapest month to flyMarch

Finding cheap flights from Perth to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Everett.
The best price we found for a round-trip flight from Perth to Seattle is $1,144. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Perth to Seattle. But we found flights with one or more stops from $1,144.
There are no flights flying from Perth to Seattle, as of November 2024.
The cheapest month to fly from Perth to Seattle is usually November 2024.
If you're flying from Perth Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the center of Seattle. We've found flights to this airport from $1,144.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Perth Airport to Seattle on Tuesday, March 11, 2025.
No airlines currently offer direct flights between Perth Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In November, the average temperature is usually around 6°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Singapore Airlines offers the cheapest flight tickets to Seattle.

How to find cheap flights from Perth to Seattle

Looking for a cheap flight from Perth to Seattle? Whether you are flying one-way or return, here are a few tips on how to score the best price and make your flight journey as smooth as possible.

  • Simply hit 'search'. We've compared flights from all major airlines and online travel agents to find the cheapest flight tickets from Perth to Seattle. And with us there are no hidden fees - what you see is what you pay.

  • Flex your dates to secure the best fares for your Perth to Seattle flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly from Perth to Seattle from your chosen departure location.

  • Set up a Price Alert. We price check with over 1000 travel companies so you don't have to. You can easily track the price of your airline tickets from Perth to Seattle by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.

  • Look for direct flights. Only interested in direct flights from Perth to Seattle? Make sure to tick 'Non-stop flights only' when performing a search. If there are direct Perth to Seattle flights available, these will appear in the results.

  • Find the cheapest Business class flights from Perth to Seattle Check the difference in price of your plane ticket from Perth to Seattle when travelling in Economy, Premium economy, Business or First class. Note that not all cabin classes are available for every destination or airline.

  • Include nearby airports in your search. Widen your search for Perth to Seattle flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure and destination point and could help you save money.

  • Search for flights on the go. To get the best flight booking experience on the go, download our app and search for cheap flight tickets from Perth to Seattle when out and about.

Book a flight from Perth to Seattle with extra peace of mind

  • Find flexible flights from Perth to Seattle. Your airline might be offering flexible air tickets from Perth to Seattle which means you won't lose out if your flight has to be changed or canceled.

  • Add travel cost protection. Avoid travel pitfalls and choose travel cost protection - it's available at the checkout as you book your flight from Perth to Seattle with us.

  • Reduce your carbon footprint by selecting a greener Perth to Seattle flight option. To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box which will be available once you have moved on from this page.

Combine your flight from Perth to Seattle with hotels and car hire

Once you've secured your plane ticket we will also help you discover the best prices and exclusive rates for hotels in Seattle or close by. Compare hundreds of car hire companies in one go so that you get the best car hire deals for your trip.

Compare Perth to Seattle air tickets with other destinations using the everywhere search

Not entirely set on flying to Perth to Seattle yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel from your origin.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.