Saint Louis (STL) to Sydney (SYD) flights from $1,735* with Air New Zealand

Search and book flights between Saint Louis 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 Saint Louis (STL) to Sydney (SYD)

Aug 2026
From$1,845*
Refreshed: 20 hrs ago
Per person, return/Economy
Sep 2026
From$1,741*
Refreshed: 1 day ago
Per person, return/Economy
Oct 2026
From$1,735*
Refreshed: 5 hrs ago
Per person, return/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.8K
cmp-daily-histogram-bars-legend-max-price-aria-label $2.4K
Displaying fares for August-2026
  • STL–SYD, Aug 01, 2026 – Aug 13, 2026: From $2,244
    01

    Sat

    AUG

  • STL–SYD, Aug 02, 2026 – Jan 10, 2027: From $2,240
    02

    Sun

  • STL–SYD, Aug 03, 2026 – Jan 12, 2027: From $2,035
    03

    Mon

  • STL–SYD, Aug 04, 2026 – Aug 22, 2026: From $2,096
    04

    Tue

  • STL–SYD, Aug 05, 2026 – Aug 20, 2026: From $2,090
    05

    Wed

  • STL–SYD, Aug 06, 2026 – Aug 22, 2026: From $2,136
    06

    Thu

  • STL–SYD, Aug 07, 2026 – Aug 14, 2026: From $2,340
    07

    Fri

  • STL–SYD, Aug 08, 2026 – Aug 22, 2026: From $2,141
    08

    Sat

  • STL–SYD, Aug 09, 2026 – Aug 21, 2026: From $2,395
    09

    Sun

  • STL–SYD, Aug 10, 2026 – Aug 20, 2026: From $2,090
    10

    Mon

  • STL–SYD, Aug 11, 2026 – Aug 12, 2026: From $2,245
    11

    Tue

  • STL–SYD, Aug 12, 2026 – Aug 22, 2026: From $2,090
    12

    Wed

  • STL–SYD, Aug 13, 2026 – Aug 27, 2026: From $2,135
    13

    Thu

  • STL–SYD, Aug 14, 2026 – Aug 22, 2026: From $2,140
    14

    Fri

  • STL–SYD, Aug 15, 2026 – Aug 21, 2026: From $2,345
    15

    Sat

  • STL–SYD, Aug 16, 2026 – Sep 02, 2026: From $2,040
    16

    Sun

  • STL–SYD, Aug 17, 2026 – Aug 22, 2026: From $2,285
    17

    Mon

  • STL–SYD, Aug 18, 2026 – Aug 27, 2026: From $2,090
    18

    Tue

  • STL–SYD, Aug 19, 2026 – Sep 02, 2026: From $2,040
    19

    Wed

  • STL–SYD, Aug 20, 2026 – Aug 27, 2026: From $2,140
    20

    Thu

  • STL–SYD, Aug 21, 2026 – Sep 03, 2026: From $2,136
    21

    Fri

  • STL–SYD, Aug 22, 2026 – Sep 02, 2026: From $2,090
    22

    Sat

  • STL–SYD, Aug 23, 2026 – Aug 26, 2026: From $2,240
    23

    Sun

  • STL–SYD, Aug 24, 2026 – Sep 05, 2026: From $2,090
    24

    Mon

  • STL–SYD, Aug 25, 2026 – Sep 02, 2026: From $2,040
    25

    Tue

  • STL–SYD, Aug 26, 2026 – Sep 17, 2026: From $2,085
    26

    Wed

  • STL–SYD, Aug 27, 2026 – Sep 03, 2026: From $1,936
    27

    Thu

  • STL–SYD, Aug 28, 2026 – Sep 05, 2026: From $2,040
    28

    Fri

  • STL–SYD, Aug 29, 2026 – Sep 17, 2026: From $1,940
    29

    Sat

  • STL–SYD, Aug 30, 2026 – Sep 09, 2026: From $1,845
    30

    Sun

  • STL–SYD, Aug 31, 2026 – Sep 10, 2026: From $1,886
    31

    Mon

    • Range$1,845-$2,395

    *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 Saint Louis (STL) to Sydney (SYD) flights departing in the next 90 days

    $

    Saint Louis (STL)to

    Sydney (SYD)
    Oct 26, 2026 - Nov 08, 2026
    From
    $1,735
    Refreshed: 5 hrs ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Oct 14, 2026 - Oct 21, 2026
    From
    $1,736
    Refreshed: 5 hrs ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Oct 21, 2026 - Dec 14, 2026
    From
    $1,736
    Refreshed: 16 hrs ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Oct 27, 2026 - Nov 11, 2026
    From
    $1,740
    Refreshed: 5 hrs ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Oct 27, 2026 - Nov 04, 2026
    From
    $1,740
    Refreshed: 1 day ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Sep 22, 2026 - Sep 29, 2026
    From
    $1,741
    Refreshed: 1 day ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Sep 21, 2026 - Oct 07, 2026
    From
    $1,741
    Refreshed: 1 day ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Oct 28, 2026 - Nov 04, 2026
    From
    $1,743
    Refreshed: 1 day 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.