RM2,087 Cheap Flights from Seattle (SEA) to Sydney (SYD)

View RM2,087 flight on Sun, 31 May 2026Opens in a new window

Popular airlines from Seattle to Sydney, NSW (SYD-Kingsford Smith Intl.)

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Cheap Flights from Seattle to Sydney (SEA-SYD)

Prices were available within the past 7 days and start at RM2,087 for one-way flights and RM4,456 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM4,456 Return, found 1 day ago
RM4,456
Return
found 1 day ago
Select Air Canada flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM4,456 found 1 day ago
Air Canada
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM4,541 Return, found 1 day ago
RM4,541
Return
found 1 day ago
Select Air Canada flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM4,541 found 1 day ago
Air Canada
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM4,632 Return, found 1 day ago
RM4,632
Return
found 1 day ago
Select Air Canada flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM4,632 found 1 day ago
Air Canada
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM4,686 Return, found 1 day ago
RM4,686
Return
found 1 day ago
Select Air Canada flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM4,686 found 1 day ago
Air Canada
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM4,780 Return, found 1 day ago
RM4,780
Return
found 1 day ago
Select Air Canada flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM4,780 found 1 day ago
Air Canada
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM4,867 Return, found 1 day ago
RM4,867
Return
found 1 day ago
Select Air Canada flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM4,867 found 1 day ago
Alaska Airlines
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM4,882 Return, found 1 day ago
RM4,882
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM4,882 found 1 day ago
United
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM5,506 Return, found 1 day ago
RM5,506
Return
found 1 day ago
Select United flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM5,506 found 1 day ago
Delta
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM5,508 Return, found 1 day ago
RM5,508
Return
found 1 day ago
Select Delta flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM5,508 found 1 day ago
Qantas Airways
Sun, 1 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
RM5,648 Return, found 1 day ago
RM5,648
Return
found 1 day ago
Select Qantas Airways flight, departing Sun, 1 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at RM5,648 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Sydney (SYD)

May is typically the cheapest month to fly

From RM 2,560 - RM 5,074 per traveller.
Seattle to Sydney route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, British Airways, Delta, Philippine Airlines, Qantas Airways, Qatar Airways, Turkish Airlines, United
Return price
RM4,456
Distance
12399 km

Perfect flights from Seattle to Sydney

Your Journey from Seattle to Sydney

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Sydney 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 All Nippon Airways, Air Canada, United, Qantas Airways, Delta, Alaska Airlines. Our selection of flights from Seattle - Tacoma Intl. to Kingsford Smith Intl. 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 Sydney Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Kingsford Smith Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM2,087 and roundtrip prices from RM4,456*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Sydney 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 Sydney

Picture yourself stepping off the plane in Sydney 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 Sydney 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 Sydney.
 

Beyond the Flight – Exploring Sydney

With Expedia, your adventure extends beyond the flight. Explore Sydney 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 Sydney 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 Sydney 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 SEA to SYD?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Seattle - Tacoma Intl. Airport (SEA) and Kingsford Smith Intl. Airport (SYD) start from RM4,456. Make your booking ASAP to secure the best price for your big adventure. 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 to Sydney Airport?
This varies from airline to airline, as each has its own terms and conditions. Head to the Customer Service Portal, where there are easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Sea-Tac Airport to Mascot Airport 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 Seattle - Tacoma Intl. Airport (SEA) to SYD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Kingsford Smith Intl. Airport (SYD)?
The distance is around 12,500 kilometres. Eye mask? Check. Noise-cancelling headphones? Double check. You'd be wise to pack all the essentials for this long-haul SeaTac to Sydney flight.
Which airlines fly direct from SEA to Mascot Airport?
Unfortunately, there are no airlines that directly fly between Seattle - Tacoma Intl. Airport (SEA) and SYD. You'll have to book a flight with at least one stop.
Are SEA to SYD flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to SYD at the last minute could be your ticket to an awesome deal. However, it might cost you a whole lot more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

*Available to Expedia members.