Saint Louis (STL) to Sydney (SYD) flights from $1,710* 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!

Promo Code
Travel information icon

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)

Jun 2026
From$1,719*
Refreshed: 7 hrs ago
Per person, return/Economy
Jul 2026
From$1,725*
Refreshed: 7 hrs ago
Per person, return/Economy
Aug 2026
From$1,715*
Refreshed: 1 hour ago
Per person, return/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.7K
cmp-daily-histogram-bars-legend-max-price-aria-label $3.1K
Displaying fares for June-2026
  • 16

    Tue

    JUN

  • 17

    Wed

  • 18

    Thu

  • 19

    Fri

  • 20

    Sat

  • 21

    Sun

  • 22

    Mon

  • 23

    Tue

  • 24

    Wed

  • 25

    Thu

  • 26

    Fri

  • 27

    Sat

  • 28

    Sun

  • 29

    Mon

  • 30

    Tue

  • 01

    Wed

    JUL

  • 02

    Thu

  • 03

    Fri

  • 04

    Sat

  • 05

    Sun

  • 06

    Mon

  • 07

    Tue

  • 08

    Wed

  • 09

    Thu

  • 10

    Fri

  • 11

    Sat

  • 12

    Sun

  • 13

    Mon

  • 14

    Tue

  • 15

    Wed

    • Range$1,719-$3,121

    *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)
    Aug 24, 2026 - Aug 25, 2026
    From
    $1,715
    Refreshed: 1 hour ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Jun 30, 2026 - Jul 14, 2026
    From
    $1,719
    Refreshed: 7 hrs ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Aug 19, 2026 - Aug 24, 2026
    From
    $1,719
    Refreshed: 1 hour ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Aug 23, 2026 - Aug 24, 2026
    From
    $1,719
    Refreshed: 1 hour ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Aug 18, 2026 - Aug 25, 2026
    From
    $1,719
    Refreshed: 1 hour ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Jul 07, 2026 - Jul 14, 2026
    From
    $1,725
    Refreshed: 7 hrs ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Sep 14, 2026 - Dec 08, 2026
    From
    $1,736
    Refreshed: 1 day ago
    Per person, return
    Economy

    Saint Louis (STL)to

    Sydney (SYD)
    Sep 08, 2026 - Dec 07, 2026
    From
    $1,741
    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.