Cheap flights from Seattle to Sydney

Saturday flights are generally found to be more expensive for flights from Seattle to Sydney. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

Travellers have found it’s best to book a flight 32 days in advance to save up to 32% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 32 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Sydney 1-2 weeks in advance for as low as C$ 1,682, or C$ 1,778 for flights within the next 24 hours.

Our data shows that September tends to be the cheapest month to fly to Sydney from Seattle. Users have commonly found prices around C$ 2,029 for the month, but tickets can be as low as C$ 1,136. Due to multiple factors, prepare for potentially higher prices in December.

A simple way to save on the total cost of your ticket is to fly from Seattle to Sydney at noon. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight in the morning.

This flight path from Seattle/Tacoma Intl to Sydney Kingsford Smith was viewed by 19 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

SEA and SYD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to SYD refers to a flight route from Seattle/Tacoma Intl Airport to Sydney Kingsford Smith Airport.

Cheapflights makes it easy to find Seattle to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Cheapflights simply makes it quick and affordable to book flights from Seattle to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Sydney flexibly with Cheapflights today.

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Seattle today and book when prices fit your budget.