Cheap flights from Seattle to Adelaide

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How much is a ticket from Seattle to Adelaide?

Depending on when you travel and how far in advance you book, fares between Seattle and Adelaide can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Are there alternative airports near Seattle and Adelaide?

The two cities are about 8338 mi apart. Looking beyond the main airport might reveal better options.

  • Airports in Seattle: There are 2 airports in Seattle - Boeing Field, Lake Union.
  • Airports in Adelaide: Only Adelaide is active at the moment.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Adelaide has more than one airport, you can pick the most convenient for your destination.

Flights from Seattle - Tacoma to Adelaide

Find the best flight from Seattle to Adelaide

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from Delta, American, United, and more.

Other popular destinations

Searching for flights to Australia? Travelers also looked at: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Seattle – Adelaide flights.
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?

The best time to book a flight from Seattle to Adelaide is 1 month in advance, while the worst time is 34 weeks in advance.

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.