CA $803 Cheap Flights from Sydney (SYD) to Seattle (SEA)

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

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 30% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Cheap flights from Sydney (SYD) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $803 for one-way flights and CA $1,283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Philippine Airlines
Fiji Airways
Alaska Airlines
Asiana Airlines
Alaska Airlines
Air Canada
Singapore Airlines
All Nippon Airways
China Airlines

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.

Frequently asked questions

How much is a flight from SYD to Sea-Tac Airport?
The lowest price advertised for a round-trip flight between Sydney Airport and Sea-Tac Airport is CA $1,283. But you better act fast. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Mascot Airport to Sea-Tac Airport?
The majority of flights can be cancelled online, but every airline has different terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from SYD to Sea-Tac Airport that have flexible change policies?
Flights from Sydney Airport to SEA offering flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the fare difference, without any extra fees to worry about.
How many hours is the flight from Kingsford Smith Intl. Airport (SYD) to Sea-Tac Airport?
From SYD to Seattle - Tacoma Intl. Airport (SEA), you'll be in the air for an average of 19 hours and 54 minutes. If you've been looking forward to finishing that epic novel, here's your chance to do it.
How far is the flight from Sydney Airport to Seattle - Tacoma Intl. Airport (SEA)?
The distance is around 12,500 kilometres. Travel pillow? Check. Spare socks? Double check. You'd be wise to pack all the essentials for this long-haul Sydney to SeaTac flight.
Which airlines fly direct from SYD to Sea-Tac Airport?
If you want to fly straight from Sydney Airport to Sea-Tac Airport, you'll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are Kingsford Smith Intl. Airport (SYD) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so there are no guarantees. While last-minute deals between SYD and Sea-Tac Airport are of course possible, it's also a good idea to monitor prices well before you fly. In fact, some airlines release their prices up to a year before the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to grab your seat when the price is low.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Delta, Hawaiian Airlines, Japan Airlines, Philippine Airlines, Qantas Airways, Singapore Airlines
Roundtrip price
CA $1,283
Distance
12399 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.