€627 Cheap Flights Sydney to Seattle (SYD-SEA)

View €627 flight on Fri, 12 Jun 2026Opens in a new window

Flight 1

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 €627 for one-way flights and €901 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 12 Jun - Thu, 25 Jun
SYD
Sydney
SEA
Seattle
€901 Return, found 3 days ago
€901
Return
found 3 days ago
Select American Airlines flight, departing Fri, 12 Jun from Sydney to Seattle, returning Thu, 25 Jun, priced at €901 found 3 days ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SYD
Sydney
SEA
Seattle
€903 Return, found 2 days ago
€903
Return
found 2 days ago
Select American Airlines flight, departing Sat, 25 Apr from Sydney to Seattle, returning Sat, 2 May, priced at €903 found 2 days ago
American Airlines
Fri, 12 Jun - Thu, 25 Jun
SYD
Sydney
SEA
Seattle
€908 Return, found 3 days ago
€908
Return
found 3 days ago
Select American Airlines flight, departing Fri, 12 Jun from Sydney to Seattle, returning Thu, 25 Jun, priced at €908 found 3 days ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SYD
Sydney
SEA
Seattle
€910 Return, found 2 days ago
€910
Return
found 2 days ago
Select American Airlines flight, departing Sat, 25 Apr from Sydney to Seattle, returning Sat, 2 May, priced at €910 found 2 days ago
United
Fri, 12 Jun - Thu, 25 Jun
SYD
Sydney
SEA
Seattle
€1,031 Return, found 3 days ago
€1,031
Return
found 3 days ago
Select United flight, departing Fri, 12 Jun from Sydney to Seattle, returning Thu, 25 Jun, priced at €1,031 found 3 days ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SYD
Sydney
SEA
Seattle
€1,162 Return, found 2 days ago
€1,162
Return
found 2 days ago
Select American Airlines flight, departing Sat, 25 Apr from Sydney to Seattle, returning Sat, 2 May, priced at €1,162 found 2 days ago
Qantas Airways
Sat, 25 Apr - Sat, 2 May
SYD
Sydney
SEA
Seattle
€1,179 Return, found 2 days ago
€1,179
Return
found 2 days ago
Select Qantas Airways flight, departing Sat, 25 Apr from Sydney to Seattle, returning Sat, 2 May, priced at €1,179 found 2 days ago
All Nippon Airways
Sat, 25 Apr - Sat, 2 May
SYD
Sydney
SEA
Seattle
€1,475 Return, found 2 days ago
€1,475
Return
found 2 days ago
Select All Nippon Airways flight, departing Sat, 25 Apr from Sydney to Seattle, returning Sat, 2 May, priced at €1,475 found 2 days ago
Delta
Fri, 19 Jun - Sat, 20 Jun
SYD
Sydney
SEA
Seattle
€1,484 Return, found 1 day ago
€1,484
Return
found 1 day ago
Select Delta flight, departing Fri, 19 Jun from Sydney to Seattle, returning Sat, 20 Jun, priced at €1,484 found 1 day ago
Air Canada
Thu, 18 Jun - Fri, 19 Jun
SYD
Sydney
SEA
Seattle
€1,488 Return, found 1 day ago
€1,488
Return
found 1 day ago
Select Air Canada flight, departing Thu, 18 Jun from Sydney to Seattle, returning Fri, 19 Jun, priced at €1,488 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 €901. 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, All Nippon Airways, American Airlines, Cathay Pacific, Delta, Emirates, Korean Air, Philippine Airlines, Qantas Airways, Qatar Airways, United
Return price
€901
Distance
12399 km

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