CA $780 Cheap Flights from Sydney (SYD) to Seattle (SEA)

View CA $780 flight on Sat, Feb. 28, 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 (SYD) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $780 for one-way flights and CA $1,409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Wed., Sep. 3 - Wed., Sep. 24
SYD
Sydney
SEA
Seattle
CA $1,409 Roundtrip, found 1 day ago
CA $1,409
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Wed., Sep. 3 from Sydney to Seattle, returning Wed., Sep. 24, priced at CA $1,409 found 1 day ago
Philippine Airlines
Sun., Sep. 21 - Wed., Oct. 1
SYD
Sydney
SEA
Seattle
CA $1,413 Roundtrip, found 5 days ago
CA $1,413
Roundtrip
found 5 days ago
Select Philippine Airlines flight, departing Sun., Sep. 21 from Sydney to Seattle, returning Wed., Oct. 1, priced at CA $1,413 found 5 days ago
American Airlines
Mon., May 19 - Wed., Jun. 4
SYD
Sydney
SEA
Seattle
CA $1,481 Roundtrip, found 5 days ago
CA $1,481
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon., May 19 from Sydney to Seattle, returning Wed., Jun. 4, priced at CA $1,481 found 5 days ago
Qantas Airways
Mon., May 19 - Wed., Jun. 4
SYD
Sydney
SEA
Seattle
CA $1,482 Roundtrip, found 5 days ago
CA $1,482
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Mon., May 19 from Sydney to Seattle, returning Wed., Jun. 4, priced at CA $1,482 found 5 days ago
Qantas Airways
Mon., May 19 - Wed., Jun. 4
SYD
Sydney
SEA
Seattle
CA $1,484 Roundtrip, found 5 days ago
CA $1,484
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Mon., May 19 from Sydney to Seattle, returning Wed., Jun. 4, priced at CA $1,484 found 5 days ago
Asiana Airlines
Mon., Sep. 8 - Mon., Oct. 20
SYD
Sydney
SEA
Seattle
CA $1,486 Roundtrip, found 9 hours ago
CA $1,486
Roundtrip
found 9 hours ago
Select Asiana Airlines flight, departing Mon., Sep. 8 from Sydney to Seattle, returning Mon., Oct. 20, priced at CA $1,486 found 9 hours ago
Delta
Mon., May 19 - Wed., Jun. 4
SYD
Sydney
SEA
Seattle
CA $1,514 Roundtrip, found 5 days ago
CA $1,514
Roundtrip
found 5 days ago
Select Delta flight, departing Mon., May 19 from Sydney to Seattle, returning Wed., Jun. 4, priced at CA $1,514 found 5 days ago
All Nippon Airways
Wed., Sep. 3 - Wed., Sep. 24
SYD
Sydney
SEA
Seattle
CA $1,549 Roundtrip, found 1 day ago
CA $1,549
Roundtrip
found 1 day ago
Select All Nippon Airways flight, departing Wed., Sep. 3 from Sydney to Seattle, returning Wed., Sep. 24, priced at CA $1,549 found 1 day ago
United
Sat., Jul. 12 - Fri., Aug. 8
SYD
Sydney
SEA
Seattle
CA $1,640 Roundtrip, found 6 days ago
CA $1,640
Roundtrip
found 6 days ago
Select United flight, departing Sat., Jul. 12 from Sydney to Seattle, returning Fri., Aug. 8, priced at CA $1,640 found 6 days ago
Hawaiian Airlines
Fri., Jul. 18 - Sat., Jul. 26
SYD
Sydney
SEA
Seattle
CA $1,672 Roundtrip, found 1 day ago
CA $1,672
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Fri., Jul. 18 from Sydney to Seattle, returning Sat., Jul. 26, priced at CA $1,672 found 1 day ago
Flight from Sydney to Seattle (SYD - SEA) route information
Origin airport
Kingsford Smith Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Asiana Airlines, Delta, Emirates, Hawaiian Airlines, Korean Air, Philippine Airlines, Qantas Airways, Qatar Airways, United
Roundtrip price
CA $1,409
Distance
12399 km

Sydney to Seattle Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from Sydney to Seattle with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from SYD to SEA and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from Sydney to Seattle on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from SYD to SEA. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

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 CA $1,409. 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 kilometers 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.

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