Cheap flight tickets from Seattle to Perth

Compare Seattle to Perth flight deals

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

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Flight deals from Seattle to Perth Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Perth Airport? If you want to travel next month, return fares start from RM5,275. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Perth

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

Seattle to Perth: Alternative routes

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

Seattle to Perth: Flight information

The things to know before you go.
Cheapest flight foundRM4,355
Cheapest month to flyMay

Finding cheap flights from Seattle to Perth: Frequently asked questions

The best price we found for a return flight from Seattle to Perth is RM4,355. 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 Seattle to Perth. But we found flights with one stop from RM4,355.
As of March 2026, there are no flights flying from Seattle to Perth.
The cheapest month to fly from Seattle to Perth is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Perth Airport on Monday, 4 May 2026.
No airlines currently offer direct flights between Seattle and Perth 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 Perth 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 Perth is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Perth is Korean Air .

Flying from Seattle to Perth Airport (PER): What you need to know

  • The timezone in Perth is UTC+8, which is 16 hours ahead of Seattle. Perth Airport is located in Perth.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport on time to board your flight from Seattle to PER.

  • With more travellers during busy periods like July, get to the terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will allow for extra wait times. Remember things also get busy during major holidays like Christmas and local events or festivals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • A stopover is the perfect opportunity to take a break from travelling and possibly even explore another city. When browsing cheap flights from Seattle to PER leaving from Seattle-Tacoma International Airport (SEA), uncheck the 'Direct flights only' box to discover where you can stop along the way. Popular options include:

    • London Heathrow Airport (LHR)

    • Dubai International Airport (DXB)

    • Paris Charles de Gaulle Airport (CDG)

  • The journey from central Seattle to SEA takes around 35 minutes on public transport. If you drive, ride-share or take a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic conditions.

  • Want a stress-free start to your trip? Stay near Seattle-Tacoma International Airport. Whether you've booked an early flight from Seattle to Perth Airport or want to avoid feeling rushed, these hotels are the ideal choice:

  • Seattle-Tacoma International Airport has an excellent on-time performance, so you're less likely to experience disruptions. Departures from SEA touch down on schedule 80% of the time.

Seattle Paine Field International Airport (PAE)

  • You can get to PAE from central Seattle in approximately 40 minutes by car, depending on traffic. The ride by public transport takes roughly 1 hour 30 minutes to cover the 40 kilometres or so.

  • Want to enjoy an extra night away before your Seattle to PER flight? Unwind in a hotel near Seattle Paine Field International Airport before your holiday officially starts. These stays have your key waiting:

  • Flights from Seattle Paine Field International Airport have a track record for punctuality, with 80% of them arriving within the expected time frame.

About Perth Airport (PER)

Getting from Perth Airport (PER) to central Perth

  • Perth Airport is around 11 kilometres from central Perth. It takes around 20 minutes or so to drive to the city.

  • It typically takes 25 minutes if you're travelling by public transport.

How to find the cheapest flights from Seattle to Perth Airport (PER)

  • RM2,182 is currently the lowest price for a one-way ticket from Seattle to Perth Airport. Return flights start at RM4,355. These fares may change based on availability and demand.

  • Don't wait until the last minute. You're more likely to walk away with cheap flights from Seattle to PER if you book in advance. Airlines often offer some great early bird discounts.

  • If you have some flexibility with your travel dates, use the 'Whole month' tool. It'll show you the lowest price across the month when searching for your Seattle to Perth Airport ticket.

  • Never miss a deal on plane tickets from Seattle to PER by creating a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Tailor your trip using filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle to Perth Airport.

The best time to fly from Seattle to Perth Airport (PER)

  • Think about the kind of holiday you want when deciding when to fly. December is the quietest month to go to Perth. July is when most people book flights from Seattle to Perth Airport (PER), which may be ideal if you're chasing more excitement.

  • Book a Seattle to PER plane ticket departing in February if you're eager to explore the city during its warmest month. Expect temperatures in Perth to range from 18ºC (64ºF) to 32ºC (90ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from Seattle to Perth Airport in July when temperatures are between 9ºC (48ºF) and 18ºC (64ºF).

More about Perth

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Perth right here. Check out these hotels once you've booked your flight from Seattle to Perth Airport:

  • Your Perth visit won't be complete without checking out the sights. Attractions that belong on your itinerary include Cottesloe Beach, Kings Park Observation Tower and City Beach.

Explore more of Australia

  • Bunbury is just one of the many places in Australia waiting to be explored once you've seen Perth. Around 161 kilometres away to the south, well-known attractions include Koombana Beach, Dolphin Cove and Leschenault Peninsula Conservation Park.

  • If you're ready to explore another well-known destination in Australia, head for Busselton, about 193 kilometres south of Perth. Underwater Observatory, Abbey Beach and Busselton Jetty are among its highlights.

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