Cheap flights from Seattle to Adelaide

Flights tailored to your budget

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Looking for the price of a flight from Seattle to Adelaide?

There’s no fixed price — fares between Seattle and Adelaide can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Planning flights between Seattle and Adelaide? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

  • Airports in Seattle: 2 airports are listed in Seattle - Boeing Field, Lake Union.
  • Airports in Adelaide: Only Adelaide is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Flights from Seattle - Tacoma to Adelaide

Plan your journey from Seattle to Adelaide with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in Australia? These cities are trending: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from Seattle to Adelaide.

How much does an airline ticket from Seattle to Adelaide cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Seattle to Adelaide.

How far is Seattle from Adelaide?

Seattle is about 8338 mi from Adelaide.

What are the airports in Adelaide?

Adelaide has one airport: Adelaide.

What are the airports in Seattle?

Seattle has 2 airports: Boeing Field, Lake Union.

What are the most popular cities in Australia?

The most popular cities in Australia according to our users' searches are: Adelaide, Brisbane, Melbourne, Perth, Sydney.

When should I book a flight from Seattle to Adelaide?

This information is not available at the moment.

What is the cheapest month to fly from Seattle to Adelaide?

This information is not available at the moment.

What is the most expensive month to fly from Seattle to Adelaide?

This information is not available at the moment.

What is the best day of the week to fly from Seattle to Adelaide?

This information is not available at the moment.