S$846 Cheap Flights from Sydney to Seattle

View S$846 flight on Thu, 28 May, 2026Opens in a new window

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

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Cheap Flights from Sydney to Seattle (SYD-SEA)

Prices were available within the past 7 days and start at S$846 for one-way flights and S$1,376 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 25 May - Tue, 25 Aug
SYD
Sydney
SEA
Seattle
S$1,376 Return, found 5 days ago
S$1,376
Return
found 5 days ago
Select American Airlines flight, departing Mon, 25 May from Sydney to Seattle, returning Tue, 25 Aug, priced at S$1,376 found 5 days ago
American Airlines
Mon, 25 May - Tue, 25 Aug
SYD
Sydney
SEA
Seattle
S$1,386 Return, found 5 days ago
S$1,386
Return
found 5 days ago
Select American Airlines flight, departing Mon, 25 May from Sydney to Seattle, returning Tue, 25 Aug, priced at S$1,386 found 5 days ago
American Airlines
Thu, 28 May - Thu, 4 Jun
SYD
Sydney
SEA
Seattle
S$1,440 Return, found 1 day ago
S$1,440
Return
found 1 day ago
Select American Airlines flight, departing Thu, 28 May from Sydney to Seattle, returning Thu, 4 Jun, priced at S$1,440 found 1 day ago
American Airlines
Thu, 28 May - Thu, 4 Jun
SYD
Sydney
SEA
Seattle
S$1,459 Return, found 1 day ago
S$1,459
Return
found 1 day ago
Select American Airlines flight, departing Thu, 28 May from Sydney to Seattle, returning Thu, 4 Jun, priced at S$1,459 found 1 day ago
United
Thu, 28 May - Thu, 4 Jun
SYD
Sydney
SEA
Seattle
S$1,463 Return, found 1 day ago
S$1,463
Return
found 1 day ago
Select United flight, departing Thu, 28 May from Sydney to Seattle, returning Thu, 4 Jun, priced at S$1,463 found 1 day ago
Air Canada
Thu, 28 May - Thu, 4 Jun
SYD
Sydney
SEA
Seattle
S$1,509 Return, found 1 day ago
S$1,509
Return
found 1 day ago
Select Air Canada flight, departing Thu, 28 May from Sydney to Seattle, returning Thu, 4 Jun, priced at S$1,509 found 1 day ago
Qantas Airways
Thu, 28 May - Thu, 4 Jun
SYD
Sydney
SEA
Seattle
S$1,524 Return, found 1 day ago
S$1,524
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 28 May from Sydney to Seattle, returning Thu, 4 Jun, priced at S$1,524 found 1 day ago
Qantas Airways
Thu, 28 May - Thu, 4 Jun
SYD
Sydney
SEA
Seattle
S$1,525 Return, found 1 day ago
S$1,525
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 28 May from Sydney to Seattle, returning Thu, 4 Jun, priced at S$1,525 found 1 day ago
All Nippon Airways
Mon, 25 May - Tue, 25 Aug
SYD
Sydney
SEA
Seattle
S$1,547 Return, found 5 days ago
S$1,547
Return
found 5 days ago
Select All Nippon Airways flight, departing Mon, 25 May from Sydney to Seattle, returning Tue, 25 Aug, priced at S$1,547 found 5 days ago
Fiji Airways
Thu, 28 May - Thu, 4 Jun
SYD
Sydney
SEA
Seattle
S$1,563 Return, found 1 day ago
S$1,563
Return
found 1 day ago
Select Fiji Airways flight, departing Thu, 28 May from Sydney to Seattle, returning Thu, 4 Jun, priced at S$1,563 found 1 day ago

Frequently asked questions

How much is a flight from Kingsford Smith Intl. Airport (SYD) to Sea-Tac Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from SYD to Sea-Tac Airport was S$1,376. Cheap fares don't hang around forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sydney Airport to SEA?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from SYD to Seattle - Tacoma Intl. Airport (SEA) 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 Kingsford Smith Intl. Airport (SYD) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SYD to SEA?
You'll have 12,500 kilometres to cover on the long-haul Sydney to SeaTac route. Dress in layers of comfortable clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from Mascot Airport to Sea-Tac Airport?
Unfortunately, there are no airlines that fly directly between Kingsford Smith Intl. Airport (SYD) and SEA. You'll have to book a flight with at least one stop.
Are SYD to SEA flight tickets cheaper when they're purchased at the last minute?
It is possible to score amazing last-minute deals from Sydney Airport to SEA, but it's also possible to miss out entirely! As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest easy knowing you're always seeing the latest offers.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Delta, Emirates, Korean Air, Philippine Airlines, Qantas Airways, Singapore Airlines, United
Return price
S$1,376
Distance
12399 km

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