How much is a flight from Seattle to Sydney?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Sydney.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Seattle - Sydney route.

Which airports are most convenient between Seattle and Sydney?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Seattle: There are 2 airports in Seattle - Boeing Field, Lake Union.
• Airports in Sydney: Sydney - Kingsford Smith is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Filter and compare flights from Seattle to Sydney

Jetcost helps you manage complex searches with simple filters. Sort by airline, duration, number of stops, or even time windows for outbound and return flights.

Other popular destinations

Want more ideas for your trip to Australia? Check these: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.