₹54,679 Cheap Flights from Seattle (SEA) to Sydney (SYD)

View ₹54,679 flight on Sat, 22 Aug 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 ₹54,679 for one-way flights and ₹98,418 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 7 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
₹98,418 Return, found 5 days ago
₹98,418
Return
found 5 days ago
Select United flight, departing Sat, 7 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at ₹98,418 found 5 days ago
Alaska Airlines
Sat, 7 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
₹99,267 Return, found 5 days ago
₹99,267
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 7 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at ₹99,267 found 5 days ago
Alaska Airlines
Sun, 18 Jan - Sat, 31 Jan
SEA
Seattle
SYD
Sydney
₹99,337 Return, found 4 days ago
₹99,337
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 18 Jan from Seattle to Sydney, returning Sat, 31 Jan, priced at ₹99,337 found 4 days ago
Alaska Airlines
Sun, 18 Jan - Sat, 31 Jan
SEA
Seattle
SYD
Sydney
₹99,423 Return, found 4 days ago
₹99,423
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 18 Jan from Seattle to Sydney, returning Sat, 31 Jan, priced at ₹99,423 found 4 days ago
Alaska Airlines
Sat, 7 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
₹100,429 Return, found 5 days ago
₹100,429
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 7 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at ₹100,429 found 5 days ago
Qantas Airways
Sun, 18 Jan - Sat, 31 Jan
SEA
Seattle
SYD
Sydney
₹100,499 Return, found 4 days ago
₹100,499
Return
found 4 days ago
Select Qantas Airways flight, departing Sun, 18 Jan from Seattle to Sydney, returning Sat, 31 Jan, priced at ₹100,499 found 4 days ago
Alaska Airlines
Sun, 18 Jan - Sat, 31 Jan
SEA
Seattle
SYD
Sydney
₹100,585 Return, found 4 days ago
₹100,585
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 18 Jan from Seattle to Sydney, returning Sat, 31 Jan, priced at ₹100,585 found 4 days ago
Qantas Airways
Sat, 7 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
₹101,591 Return, found 5 days ago
₹101,591
Return
found 5 days ago
Select Qantas Airways flight, departing Sat, 7 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at ₹101,591 found 5 days ago
Delta
Sun, 18 Jan - Sat, 31 Jan
SEA
Seattle
SYD
Sydney
₹102,986 Return, found 4 days ago
₹102,986
Return
found 4 days ago
Select Delta flight, departing Sun, 18 Jan from Seattle to Sydney, returning Sat, 31 Jan, priced at ₹102,986 found 4 days ago
Hawaiian Airlines
Sat, 7 Feb - Sun, 15 Feb
SEA
Seattle
SYD
Sydney
₹112,487 Return, found 5 days ago
₹112,487
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Sat, 7 Feb from Seattle to Sydney, returning Sun, 15 Feb, priced at ₹112,487 found 5 days ago

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

May is typically the cheapest month to fly

From ₹55,466 - ₹109,933 per traveller.

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city centre is 16 minutes. Flights from ₹304,055
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from ₹304,055
Flight from Seattle to Sydney route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Kingsford Smith Intl.
Return price
₹98,418
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 ₹54,679 and roundtrip prices from ₹98,418. 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 ₹98,418. 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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