Cheap flights from Seattle, WA to Sydney, Australia
Flights starting at $538. Choose between Alaska Airlines, Jetstar Airways, or Hawaiian Airlines to find the best price.
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Tips to know when travelling to Sydney
Cheapest one-way trip | $538 |
---|---|
Cheapest round-trip | $1,007 |
Average round-trip | $1,163 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Sydney. The most popular airlines for this route are Alaska Airlines, Jetstar Airways, Hawaiian Airlines, Fiji Airways, and Qantas. Seattle and Sydney have 325 direct flights per week. When you arrive at Sydney, consider visiting Sydney Opera House, and Blue Mountains.
Check-in for a flight from Seattle to Sydney
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Jetstar Airways | JST | JQ | No | 0 0 |
Hawaiian Airlines | HAL | HA | No | No |
Fiji Airways | FJI | FJ | Yes | No |
Qantas | QFA | QF | Yes | 0 0 |
Weather in Sydney
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 26°C | 20°C |
February | 25°C | 20°C |
March | 24°C | 19°C |
April | 22°C | 16°C |
May | 19°C | 13°C |
June | 17°C | 11°C |
July | 16°C | 10°C |
August | 17°C | 10°C |
September | 20°C | 12°C |
October | 21°C | 14°C |
November | 23°C | 16°C |
December | 24°C | 18°C |
14 day forecast
Frequently asked questions
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