Find out what a flight from Seattle to Sydney might cost

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

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Best airport options between Seattle and Sydney

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.
• Airports in Sydney: Sydney - Kingsford Smith is the sole airport currently available.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

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 agencies like Expedia, eDreams, and more.

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.