Flight deals from Seattle to Sydney

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Seattle to Sydney

We monitor flight fares to help you find the best deals effortlessly

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  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Seattle to Sydney

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Asiana Airlines logo Asiana Airlines

FAQ

  • When are flight tickets from Seattle (SEA) to Sydney (SYD) the cheapest?

    Airlines adjust prices for flights from Seattle to Sydney based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seattle (SEA) to Sydney (SYD) cost?

    According to Trip.com's data, the lowest price is around NZD 3,474.

  • What is the transportation method from the main airport to downtown in Sydney?

    • The distance from Kingsford Smith Intl. Airport to downtown is about 8 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Seattle to Sydney

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Sydney. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Seattle to Sydney

Cheapest one-way flight price NZD 682
Off-season for travel May
Peak season for travel December
Flight distance 12,472.44 km
Popular airline Alaska Airlines

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