Cheap flights from Seattle to Sydney
Selected dates may not give results due to COVID-19. We suggest you change the dates.
Round trip One way
Round trip
One way
Select departure
No results match your search criteria
  • Latest searches
Select arrival
No results match your search criteria
  • Latest searches
Round trip One way
Round trip
One way
{{ weekDay }}
{{ panel.label }}
Looking for a one-way flight?
{{ fromDate | dateToDayNumber }}

{{ fromDate | dateToMonthName }}

{{ fromDate | dateToDayName }}

{{ flexibleFromDateLabel }}
{{ option.label }}
?
{{ flexibleToDateLabel }}
{{ option.label }}
Class and passengers
Class
Economy
Available for Economy only
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
  • Compare with:
    Sponsored

Find the best deal for flights from Seattle to Sydney

Fly Scanner search engine allows you to save money by comparing hundreds of flight deals in seconds, finding the offer that's right for you. Filter your search according to the parameters that interest you and Fly Scanner will show you only the offers that suit your needs.

See only the ideal flight deals for your needs

Fly Scanner compares hundreds of offers from Seattle to Sydney of low cost flights, online travel agency promotions, airlines from all over the world, domestic and international routes, direct and non-stop flights. The search engine of Fly Scannershows you the best flight selections, all in one click and in seconds.

Find the Seattle - Sydney low cost flight you prefer

Fly Scanner, once you enter your departure and arrival cities, will compare thousands of offers based on your needs.

Filter your search

Fly Scanner offers the possibility to customize your search according to different criteria:

  • Only direct flights
  • Only flights of one airline
  • Only flights departing or arriving at a specific airport
Other filters allow you to check prices for nearby dates to save even more on your trip to Australia.

Frequently Asked Questions

Frequently asked questions about flights from Seattle to Sydney.

How much does a Seattle - Sydney flight cost?

The availability of airline tickets can vary greatly depending on the time of year and destination. This information is currently unavailable for flights from Seattle to Sydney.

How far is Seattle from Sydney?

Seattle is about 7750 mi from Sydney.

What are the airports in Sydney?

Sydney has one airport: Sydney - Kingsford Smith.

What are the airports in Seattle?

At Seattle there are 2 airports: Boeing Field, Lake Union.

What are the most popular destinations searched for in Australia?

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

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

The cheapest month to fly from Seattle to Sydney is March.

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

The most expensive month to fly from Seattle to Sydney is December.

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

For flights from Seattle to Sydney Sunday is on average the cheapest day to fly, while Sunday is the most expensive day to fly.
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