Seattle (SEA) to Sydney (SYD) flights from $1,157* with Air New Zealand

Search and book flights between Seattle and Sydney by comparing our fares shown on this page. Plan your adventure today!

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From November 2026*, Air New Zealand will operate flights to and from Western Sydney International Airport, alongside our existing services at Sydney Kingsford Smith Airport.

*Subject to Government Approvals.

Find the best fares for flights from Seattle (SEA) to Sydney (SYD)

Oct 2026
From$1,222*
Refreshed: 12 hrs ago
Per person, return/Economy
Nov 2026
From$1,162*
Refreshed: 12 hrs ago
Per person, return/Economy
Dec 2026
From$1,159*
Refreshed: 1 day ago
Per person, return/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.2K
cmp-daily-histogram-bars-legend-max-price-aria-label $1.7K
Displaying fares for October-2026
  • SEA–SYD, Oct 30, 2026 – Nov 18, 2026: From $1,272
    30

    Fri

    OCT

  • SEA–SYD, Oct 31, 2026 – Nov 11, 2026: From $1,222
    31

    Sat

  • SEA–SYD, Nov 01, 2026 – Jan 26, 2027: From $1,494
    01

    Sun

    NOV

  • SEA–SYD, Nov 02, 2026 – Jan 24, 2027: From $1,493
    02

    Mon

  • SEA–SYD, Nov 03, 2026 – Jan 24, 2027: From $1,490
    03

    Tue

  • SEA–SYD, Nov 04, 2026 – Jan 20, 2027: From $1,690
    04

    Wed

  • SEA–SYD, Nov 05, 2026 – Jan 20, 2027: From $1,540
    05

    Thu

  • SEA–SYD, Nov 06, 2026 – Jan 26, 2027: From $1,544
    06

    Fri

  • SEA–SYD, Nov 07, 2026 – Jan 24, 2027: From $1,540
    07

    Sat

  • SEA–SYD, Nov 08, 2026 – Jan 24, 2027: From $1,490
    08

    Sun

  • SEA–SYD, Nov 09, 2026 – Nov 18, 2026: From $1,598
    09

    Mon

  • SEA–SYD, Nov 10, 2026 – Nov 11, 2026: From $1,602
    10

    Tue

  • SEA–SYD, Nov 11, 2026 – Nov 18, 2026: From $1,170
    11

    Wed

  • SEA–SYD, Nov 12, 2026 – Nov 18, 2026: From $1,271
    12

    Thu

  • SEA–SYD, Nov 13, 2026 – Nov 18, 2026: From $1,221
    13

    Fri

  • SEA–SYD, Nov 14, 2026 – Nov 18, 2026: From $1,220
    14

    Sat

  • SEA–SYD, Nov 15, 2026 – Dec 18, 2026: From $1,549
    15

    Sun

  • SEA–SYD, Nov 16, 2026 – Nov 18, 2026: From $1,598
    16

    Mon

  • SEA–SYD, Nov 17, 2026 – Dec 11, 2026: From $1,603
    17

    Tue

  • SEA–SYD, Nov 18, 2026 – Dec 07, 2026: From $1,551
    18

    Wed

  • SEA–SYD, Nov 19, 2026 – Dec 07, 2026: From $1,598
    19

    Thu

  • SEA–SYD, Nov 20, 2026 – Dec 07, 2026: From $1,598
    20

    Fri

  • SEA–SYD, Nov 21, 2026 – Dec 07, 2026: From $1,598
    21

    Sat

  • SEA–SYD, Nov 22, 2026 – Dec 07, 2026: From $1,548
    22

    Sun

  • SEA–SYD, Nov 23, 2026 – Dec 07, 2026: From $1,271
    23

    Mon

  • SEA–SYD, Nov 24, 2026 – Jan 26, 2027: From $1,494
    24

    Tue

  • SEA–SYD, Nov 25, 2026 – Jan 27, 2027: From $1,490
    25

    Wed

  • SEA–SYD, Nov 26, 2026 – Jan 26, 2027: From $1,540
    26

    Thu

  • SEA–SYD, Nov 27, 2026 – Jan 27, 2027: From $1,213
    27

    Fri

  • SEA–SYD, Nov 28, 2026 – Jan 24, 2027: From $1,209
    28

    Sat

  • SEA–SYD, Nov 29, 2026 – Jan 26, 2027: From $1,209
    29

    Sun

    • Range$1,170-$1,690

    *Fares displayed have been available for flights searched within the last 24 hours and may not currently be available at time of booking. Flights may not be available at peak times or on all flights. Additional fees, including service/card payment fees may apply. Other terms and conditions may also apply.

    Compare & book Air NZ Seattle (SEA) to Sydney (SYD) flights departing in the next 90 days

    $

    Seattle (SEA)to

    Sydney (SYD)
    Dec 01, 2026 - Feb 07, 2027
    From
    $1,159
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Sydney (SYD)
    Dec 07, 2026 - Feb 07, 2027
    From
    $1,161
    Refreshed: 5 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    Sydney (SYD)
    Dec 02, 2026 - Feb 07, 2027
    From
    $1,161
    Refreshed: 5 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    Sydney (SYD)
    Jan 27, 2027 - Jan 31, 2027
    From
    $1,161
    Refreshed: 5 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    Sydney (SYD)
    Nov 30, 2026 - Jan 24, 2027
    From
    $1,162
    Refreshed: 12 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    Sydney (SYD)
    Jan 25, 2027 - Jan 31, 2027
    From
    $1,162
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Sydney (SYD)
    Jan 25, 2027 - Feb 01, 2027
    From
    $1,162
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Sydney (SYD)
    Jan 27, 2027 - Feb 17, 2027
    From
    $1,162
    Refreshed: 12 hrs ago
    Per person, return
    Economy
    *Fares displayed have been available for flights searched within the last 24 hours and may not currently be available at time of booking. Flights may not be available at peak times or on all flights. Additional fees, including service/card payment fees may apply. Other terms and conditions may also apply.

    Explore flights to Sydney

    *Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges. For flights to or from Sydney, prices may be based on travel to or from SYD or WSI airports.