Fare Guide
Estimated lowest fares found within 7 days
Cheapest Airline
The cheapest airline(s) flying from Seattle to Sydney is United Airlines.
Cheapest Month
May
Travel Period: April 2025 - March 2026
The cheapest month(s) to fly from Seattle to Sydney is May.
Cheapest Day of the Week
Monday
The cheapest day(s) of the week to fly from Seattle to Sydney is Monday.
How far is Sydney from Seattle?
The flight distance between Seattle and Sydney is 12470km. Check all available flights on Wego.
