How much is a flight from Seattle to Adelaide?

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

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 - Adelaide route.

Flying from or to Seattle and Adelaide? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Seattle: You have 2 departure options - Boeing Field, Lake Union.
• Airports in Adelaide: Adelaide is the only arrival option right now.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Flight filters for the route Seattle – Adelaide

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Australia are often searched alongside: Adelaide, Brisbane, Melbourne, Perth, Sydney.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.