Cheap Flights from Perth to Seattle / Tacoma International

Compare Perth to Seattle / Tacoma International flight deals

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

Book the best Seattle / Tacoma International fare with no extra fees

Flight deals from Perth to Seattle / Tacoma International

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

Find the cheapest month to fly from Perth to Seattle / Tacoma International

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

Perth to Seattle / Tacoma International: Alternative routes

Compare routes from Perth to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Perth to Seattle: Flight information

The things to know before you go.
Cheapest flight found$1,654
Cheapest month to flyMarch

Finding cheap flights from Perth to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Perth to Seattle / Tacoma International is $1,654. 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 / Tacoma International. But we found flights with one or more stops from $1,654.
As of March 2026, there are no flights flying from Perth to Seattle / Tacoma International.
The cheapest month to fly from Perth to Seattle / Tacoma International is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Perth Airport to Seattle / Tacoma International Airport on Thursday, 12 March 2026.
No airlines currently offer direct flights between Perth Airport and Seattle / Tacoma International Airport. 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 / Tacoma International 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.
Currently, Philippine Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

Flying from Perth Airport (PER) to Seattle-Tacoma International Airport (SEA): what you need to know

  • Seattle's timezone is UTC-7, making Seattle 15 hours behind Perth.

  • To ensure you catch your PER to SEA flight, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • During popular months such as July, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of an international flight when you travel during a peak period in general.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Perth Airport to Seattle-Tacoma International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to tour the city of your choice. Top stopovers between PER and SEA include:

    • Changi International Airport

    • Hamad International Airport

    • Dubai Airport

How to find the cheapest flights from Perth Airport (PER) to Seattle-Tacoma International Airport (SEA)

  • The lowest price we've seen for a one-way Perth Airport to Seattle-Tacoma International Airport flight is $1,117. A return ticket right now is $1,654. Depending on the availability when you book, these fares could change.

  • To find cheap tickets from PER to SEA, book early. Airlines tend to offer lower fares when flights are first released.

  • If you can be flexible with your travel dates, try using the 'Whole month' search tool. It'll find the lowest price across every month when looking for a flight from Perth Airport to Seattle-Tacoma International Airport.

  • Picking up cheap flights from PER to SEA is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when there's a better deal.

  • Find the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Perth Airport to Seattle-Tacoma International Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Perth Airport (PER)

  • Of all flights leaving Perth Airport, 73.04% arrive as scheduled at their destination.

  • Central Perth to Perth Airport is approximately 16 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The journey on public transport will take about 30 minutes.

  • Get your holiday off to a relaxed start by staying near PER. Whether you're catching an early flight from Perth Airport to Seattle-Tacoma International Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport to central Seattle has a drive time of around 20 minutes. It's approximately 23 kilometres away.

  • Getting there by public transport takes roughly 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • The quietest month for a flight from Perth Airport to Seattle-Tacoma International Airport is May, while July is the busiest. Choose the ideal time to visit Seattle based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your flight from Perth Airport to Seattle-Tacoma International Airport, consider the kind of weather you like. August is the warmest month in Seattle, with temperatures ranging from 12ºC to 28ºC.

  • Search for cheap tickets from PER to SEA in February if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC and 11ºC on average.

Explore more of United States

  • You've seen Seattle, now it's time to explore more of United States. Journey about 241 kilometres south to Portland to check off its leading sights. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, your itinerary will be busy.

  • If you're eager to discover another well-known destination in United States, consider Spokane, about 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are among the biggest draws.

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