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 serve Seattle and Sydney?

When planning a trip of about 12472 km, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in Sydney: The only active airport in Sydney is Sydney - Kingsford Smith.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Adjust your flight filters for Seattle – Sydney

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Australia? These cities are popular too: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.