₹46,346 Cheap Flights from Seattle (SEA) to Sydney (SYD)

View ₹46,346 flight on Mon, 4 May 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Sydney Airport (SYD)

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Cheap Flights from Seattle (SEA) to Sydney (SYD)

Prices were available within the past 7 days and start at ₹46,346 for one-way flights and ₹104,781 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 8 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
₹104,781 Return, found 2 days ago
₹104,781
Return
found 2 days ago
Select Air Canada flight, departing Sun, 8 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at ₹104,781 found 2 days ago
United
Sat, 7 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
₹105,188 Return, found 5 days ago
₹105,188
Return
found 5 days ago
Select United flight, departing Sat, 7 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at ₹105,188 found 5 days ago
United
Wed, 11 Feb - Mon, 16 Feb
SEA
Seattle
SYD
Sydney
₹105,269 Return, found 2 days ago
₹105,269
Return
found 2 days ago
Select United flight, departing Wed, 11 Feb from Seattle to Sydney, returning Mon, 16 Feb, priced at ₹105,269 found 2 days ago
Delta
Tue, 10 Feb - Tue, 17 Feb
SEA
Seattle
SYD
Sydney
₹105,287 Return, found 2 days ago
₹105,287
Return
found 2 days ago
Select Delta flight, departing Tue, 10 Feb from Seattle to Sydney, returning Tue, 17 Feb, priced at ₹105,287 found 2 days ago
United
Mon, 9 Mar - Sun, 15 Mar
SEA
Seattle
SYD
Sydney
₹105,924 Return, found 6 hours ago
₹105,924
Return
found 6 hours ago
Select United flight, departing Mon, 9 Mar from Seattle to Sydney, returning Sun, 15 Mar, priced at ₹105,924 found 6 hours ago
Delta
Mon, 9 Mar - Sun, 15 Mar
SEA
Seattle
SYD
Sydney
₹105,944 Return, found 6 hours ago
₹105,944
Return
found 6 hours ago
Select Delta flight, departing Mon, 9 Mar from Seattle to Sydney, returning Sun, 15 Mar, priced at ₹105,944 found 6 hours ago
All Nippon Airways
Mon, 4 May - Sun, 10 May
SEA
Seattle
SYD
Sydney
₹106,778 Return, found 3 days ago
₹106,778
Return
found 3 days ago
Select All Nippon Airways flight, departing Mon, 4 May from Seattle to Sydney, returning Sun, 10 May, priced at ₹106,778 found 3 days ago
American Airlines
Tue, 10 Feb - Tue, 17 Feb
SEA
Seattle
SYD
Sydney
₹107,268 Return, found 2 days ago
₹107,268
Return
found 2 days ago
Select American Airlines flight, departing Tue, 10 Feb from Seattle to Sydney, returning Tue, 17 Feb, priced at ₹107,268 found 2 days ago
Alaska Airlines
Tue, 10 Feb - Tue, 17 Feb
SEA
Seattle
SYD
Sydney
₹107,279 Return, found 2 days ago
₹107,279
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 10 Feb from Seattle to Sydney, returning Tue, 17 Feb, priced at ₹107,279 found 2 days ago
Alaska Airlines
Tue, 10 Feb - Tue, 17 Feb
SEA
Seattle
SYD
Sydney
₹107,375 Return, found 2 days ago
₹107,375
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 10 Feb from Seattle to Sydney, returning Tue, 17 Feb, priced at ₹107,375 found 2 days ago
Flight from Seattle to Sydney route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Kingsford Smith Intl.
Return price
₹104,781
Distance
12399 km

Perfect flights from Seattle to Sydney

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Sydney. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Kingsford Smith Intl. ticket options cater to your travel preferences, with incredible one-way fares from ₹46,346 and roundtrip prices from ₹104,781. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Kingsford Smith Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Sydney.

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 ₹104,781. 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.

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