₹57,557 Cheap Flights from Seattle (SEA) to Sydney (SYD)

View ₹57,557 flight on Sun, 26 Apr 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 ₹57,557 for one-way flights and ₹101,646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 12 May - Tue, 19 May
SEA
Seattle
SYD
Sydney
₹101,646 Return, found 3 days ago
₹101,646
Return
found 3 days ago
Select United flight, departing Tue, 12 May from Seattle to Sydney, returning Tue, 19 May, priced at ₹101,646 found 3 days ago
Delta
Tue, 12 May - Tue, 19 May
SEA
Seattle
SYD
Sydney
₹101,668 Return, found 3 days ago
₹101,668
Return
found 3 days ago
Select Delta flight, departing Tue, 12 May from Seattle to Sydney, returning Tue, 19 May, priced at ₹101,668 found 3 days ago
United
Sun, 10 May - Sun, 24 May
SEA
Seattle
SYD
Sydney
₹101,909 Return, found 1 hour ago
₹101,909
Return
found 1 hour ago
Select United flight, departing Sun, 10 May from Seattle to Sydney, returning Sun, 24 May, priced at ₹101,909 found 1 hour ago
Delta
Sun, 10 May - Sun, 24 May
SEA
Seattle
SYD
Sydney
₹101,929 Return, found 1 hour ago
₹101,929
Return
found 1 hour ago
Select Delta flight, departing Sun, 10 May from Seattle to Sydney, returning Sun, 24 May, priced at ₹101,929 found 1 hour ago
United
Sun, 14 Jun - Thu, 3 Sept
SEA
Seattle
SYD
Sydney
₹106,087 Return, found 1 day ago
₹106,087
Return
found 1 day ago
Select United flight, departing Sun, 14 Jun from Seattle to Sydney, returning Thu, 3 Sept, priced at ₹106,087 found 1 day ago
United
Sat, 30 May - Sat, 6 Jun
SEA
Seattle
SYD
Sydney
₹110,966 Return, found 5 days ago
₹110,966
Return
found 5 days ago
Select United flight, departing Sat, 30 May from Seattle to Sydney, returning Sat, 6 Jun, priced at ₹110,966 found 5 days ago
Air Canada
Sun, 14 Jun - Thu, 3 Sept
SEA
Seattle
SYD
Sydney
₹118,514 Return, found 1 day ago
₹118,514
Return
found 1 day ago
Select Air Canada flight, departing Sun, 14 Jun from Seattle to Sydney, returning Thu, 3 Sept, priced at ₹118,514 found 1 day ago
All Nippon Airways
Sun, 10 May - Sun, 24 May
SEA
Seattle
SYD
Sydney
₹129,102 Return, found 1 hour ago
₹129,102
Return
found 1 hour ago
Select All Nippon Airways flight, departing Sun, 10 May from Seattle to Sydney, returning Sun, 24 May, priced at ₹129,102 found 1 hour ago
Qantas Airways
Sun, 10 May - Sun, 24 May
SEA
Seattle
SYD
Sydney
₹131,281 Return, found 1 hour ago
₹131,281
Return
found 1 hour ago
Select Qantas Airways flight, departing Sun, 10 May from Seattle to Sydney, returning Sun, 24 May, priced at ₹131,281 found 1 hour ago
American Airlines
Sun, 10 May - Sun, 24 May
SEA
Seattle
SYD
Sydney
₹137,281 Return, found 1 hour ago
₹137,281
Return
found 1 hour ago
Select American Airlines flight, departing Sun, 10 May from Seattle to Sydney, returning Sun, 24 May, priced at ₹137,281 found 1 hour ago

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

September is typically the cheapest month to fly

From ₹71,007 - ₹120,157 per traveller.

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 ₹101,646. 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.

Travel 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, China Airlines, Delta, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
₹101,646
Distance
12399 km

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