S$842 Cheap Flights from Seattle to Perth

View S$842 flight on Fri, 5 Sep, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Perth Airport (PER)

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Cheap Flights from Seattle to Perth (SEA-PER)

Prices were available within the past 7 days and start at S$842 for one-way flights and S$1,702 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, 31 Aug - Sun, 7 Sep
SEA
Seattle
PER
Perth
S$1,702 Return, found 3 days ago
S$1,702
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 31 Aug from Seattle to Perth, returning Sun, 7 Sep, priced at S$1,702 found 3 days ago
Alaska Airlines
Sun, 31 Aug - Sun, 7 Sep
SEA
Seattle
PER
Perth
S$1,703 Return, found 3 days ago
S$1,703
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 31 Aug from Seattle to Perth, returning Sun, 7 Sep, priced at S$1,703 found 3 days ago
Alaska Airlines
Sun, 31 Aug - Sun, 7 Sep
SEA
Seattle
PER
Perth
S$1,719 Return, found 3 days ago
S$1,719
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 31 Aug from Seattle to Perth, returning Sun, 7 Sep, priced at S$1,719 found 3 days ago
Alaska Airlines
Sun, 31 Aug - Sun, 7 Sep
SEA
Seattle
PER
Perth
S$1,720 Return, found 3 days ago
S$1,720
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 31 Aug from Seattle to Perth, returning Sun, 7 Sep, priced at S$1,720 found 3 days ago
Philippine Airlines
Fri, 29 Aug - Fri, 5 Sep
SEA
Seattle
PER
Perth
S$1,752 Return, found 5 days ago
S$1,752
Return
found 5 days ago
Select Philippine Airlines flight, departing Fri, 29 Aug from Seattle to Perth, returning Fri, 5 Sep, priced at S$1,752 found 5 days ago
Philippine Airlines
Fri, 29 Aug - Fri, 5 Sep
SEA
Seattle
PER
Perth
S$1,752 Return, found 5 days ago
S$1,752
Return
found 5 days ago
Select Philippine Airlines flight, departing Fri, 29 Aug from Seattle to Perth, returning Fri, 5 Sep, priced at S$1,752 found 5 days ago
United
Fri, 29 Aug - Fri, 5 Sep
SEA
Seattle
PER
Perth
S$1,818 Return, found 5 days ago
S$1,818
Return
found 5 days ago
Select United flight, departing Fri, 29 Aug from Seattle to Perth, returning Fri, 5 Sep, priced at S$1,818 found 5 days ago
United
Fri, 29 Aug - Fri, 5 Sep
SEA
Seattle
PER
Perth
S$1,820 Return, found 5 days ago
S$1,820
Return
found 5 days ago
Select United flight, departing Fri, 29 Aug from Seattle to Perth, returning Fri, 5 Sep, priced at S$1,820 found 5 days ago
Delta
Sun, 31 Aug - Sun, 7 Sep
SEA
Seattle
PER
Perth
S$1,840 Return, found 3 days ago
S$1,840
Return
found 3 days ago
Select Delta flight, departing Sun, 31 Aug from Seattle to Perth, returning Sun, 7 Sep, priced at S$1,840 found 3 days ago
Air Canada
Sun, 31 Aug - Sun, 7 Sep
SEA
Seattle
PER
Perth
S$1,877 Return, found 3 days ago
S$1,877
Return
found 3 days ago
Select Air Canada flight, departing Sun, 31 Aug from Seattle to Perth, returning Sun, 7 Sep, priced at S$1,877 found 3 days ago
Seattle to Perth route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Perth
Return price
S$1,702
Distance
14785 km

Perfect flights from Seattle to Perth

Your Journey from Seattle to Perth

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Perth caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Philippine Airlines, Alaska Airlines, United, Delta, Air Canada. Our selection of flights from Seattle - Tacoma Intl. to Perth caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seattle to Perth Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Perth that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$842 and roundtrip prices from S$1,702*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Perth with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Perth

Picture yourself stepping off the plane in Perth and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Perth Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Perth.
 

Beyond the Flight – Exploring Perth

With Expedia, your adventure extends beyond the flight. Explore Perth at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Perth with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Perth with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Perth Airport?
Start packing your bags, because round-trip flights from SEA to Perth Airport (PER) start from S$1,702. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to PER?
Every airline has a different set of terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from SEA to Perth Airport (PER) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sea-Tac Airport to Perth Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to PER?
The distance is around 14,900 kilometres, so fill your carry-on bag with all you need to make your journey comfortable. Not sure what to take on board your SeaTac to Perth flight? Earplugs, a sleep mask and a neck pillow are a few essentials.
Which airlines fly direct from Sea-Tac Airport to Perth Airport (PER)?
There are no direct flights, so you'll have to make at least one stop between Sea-Tac Airport and PER. Take advantage of the layover time to stretch your legs and grab a bite to eat.
Are Sea-Tac Airport to Perth Airport (PER) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Sea-Tac Airport to Perth Airport (PER) can be hit-or-miss. You might be lucky and score a bargain, but you could also miss out entirely! If you'd rather play it safe and start planning early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines advertise their prices so far in advance. Our top tip? Check back often as prices are updated frequently.

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