Seattle to Sydney Flights

Cheap Flights from Seattle (SEA) to Sydney (SYD)

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Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

Seattle (SEA) to Sydney (SYD) Flight Information

Below are some common questions asked about this flight route:
  • When can I book the cheapest flight from Seattle to Sydney?

    Airlines adjust prices for plane tickets based on the day and time that you book your flight. After analyzing data from all airlines, we have discovered that the best days to book flights from Seattle to Sydney are Tuesdays, Wednesdays, and Saturdays.

  • What are the airlines flying from Seattle to Sydney?

    Airlines flying from Seattle to Sydney include .

  • How many airports are there in Sydney?

    There are 3 airports in Sydney - Kingsford Smith Airport,Sydney Bankstown,Sydney Rose Bay Spb Apt.

  • Airports at destination:

    SYD ,BWU ,RSE

  • Flight route:

    SEA ✈ SYD

  • Price starting from:

    From US$1,758

Seattle to Kingsford Smith Airport (SYD)

15:35, Nov 8 - 21:30, Nov 15
NH | ANA
23h 20m
SEA - SYD
2 stop
US$990
Round-trip from
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19:35, Sep 22 - 09:30, Sep 29
UA | United Airlines
18h 25m
SEA - SYD
2 stop
US$1,152
Round-trip from
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15:50, Sep 1 - 20:05, Sep 8
AS | Alaska Airlines
21h 45m
SEA - SYD
2 stop
US$1,240
Round-trip from
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13:35, Sep 1 - 20:05, Sep 8
AA | American Airlines
23h 50m
SEA - SYD
2 stop
US$1,240
Round-trip from
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18:55, Sep 22 - 09:30, Sep 29
DL | Delta Air Lines
18h 40m
SEA - SYD
2 stop
US$1,281
Round-trip from
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Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

Roundtrip vs One-Way Flights from Seattle (SEA) to Sydney (SYD)

There is usually no major price difference between buying a roundtrip flight versus a one-way flight. Increased flexibility is the main benefit when it comes to buying a one-way flight from Seattle(SEA) to Sydney(SYD). However, booking a roundtrip flight is a simpler process. You can compare roundtrip and one-way flights by using our flight comparison tool.

Travel from Seattle (SEA) to Sydney (SYD)

Sydney attracts thousands of visitors every year for both business and pleasure. Planning a trip from Seattle to Sydney is easy when you use Trip.com to help you make travel arrangements. With Trip.com, you can search for available flights and hotel rooms, and then make your booking quickly and easily online.

A Trip to Remember (SEA - SYD)

Make your journey from Seattle (SEA) to Sydney (SYD) a trip to remember when you use Trip.com to review city attractions before you arrive. With a preview of what's available at your destination, you can make any necessary reservations in advance for the best travel experience possible.