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Cheap SEA to SYD Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Seattle to Sydney route information

Origin Airport Seattle - Tacoma Intl.
Destination Airport Kingsford Smith Intl.
Airlines Serving Air Canada, Air China, Air New Zealand, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Delta, Emirates, Fiji Airways, Hawaiian Airlines, Japan Airlines, Korean Air, Qantas Airways, Singapore Airlines, United, Virgin Australia, Xiamen Airlines
Flight Price $820
Distance 7,749 mi

Cheap SEA to SYD Flights

  • Question : Can I change the date of my flight?
    Answer : Yes, you can adjust your departure date. If you want to save a little money in doing so, the cheapest day to fly in June is Thursday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.
  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from Seattle to Sydney is on Thursday. If you would like to save some money on your next flight look for flights on that day.
  • Question : What is the cheapest airline flying from Seattle to Sydney?
    Answer : United Airlines is your best bet for finding that sought-after low fare. They're offering fares as low as $544, while rates for similar flights can cost as much as $12,809.
  • Question : What is the cheapest day to fly to Sydney?
    Answer : May 22nd has bookings (as of May 20th) as cheap as $547. That comes in 64% below the average price for this route. Saving now gives you more cash to spend on your trip.
  • Question : How much time do people spend in Sydney?
    Answer : The average time spent sightseeing in Sydney by passengers from Seattle is 15 days. However long you decide to stay, give yourself plenty of time to see what makes Sydney fantastic.
  • Question : How much is a plane ticket to Sydney (SYD) from Seattle (SEA)?
    Answer : They can range anywhere from $544 to $12,809. Booking in advance can usually help you get the cheapest price. Prices tend to be better the further out you book.