Boise (BOI) to Sydney (SYD) flights from $1,631* with Air New Zealand

Search and book flights between Boise 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 Boise (BOI) to Sydney (SYD)

Jul 2026
From$2,132*
Refreshed: 1 day ago
Per person, return/Economy
Aug 2026
From$1,732*
Refreshed: 1 day ago
Per person, return/Economy
Sep 2026
From$1,631*
Refreshed: 4 hrs 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 $11.4K
Displaying fares for July-2026
  • BOI–SYD, Jul 31, 2026 – Aug 08, 2026: From $2,132
    31

    Fri

    JUL

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    01

    Sat

  • BOI–SYD, Aug 02, 2026 – Aug 11, 2026: From $1,931
    02

    Sun

  • BOI–SYD, Aug 03, 2026 – Aug 14, 2026: From $2,307
    03

    Mon

  • BOI–SYD, Aug 04, 2026 – Aug 11, 2026: From $1,931
    04

    Tue

  • BOI–SYD, Aug 05, 2026 – Aug 16, 2026: From $2,131
    05

    Wed

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    06

    Thu

  • BOI–SYD, Aug 07, 2026 – Aug 25, 2026: From $1,981
    07

    Fri

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    08

    Sat

  • BOI–SYD, Aug 09, 2026 – Aug 26, 2026: From $1,931
    09

    Sun

  • BOI–SYD, Aug 10, 2026 – Aug 26, 2026: From $1,931
    10

    Mon

  • BOI–SYD, Aug 11, 2026 – Aug 18, 2026: From $1,932
    11

    Tue

  • BOI–SYD, Aug 12, 2026 – Aug 26, 2026: From $1,931
    12

    Wed

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    13

    Thu

  • BOI–SYD, Aug 14, 2026 – Aug 25, 2026: From $1,982
    14

    Fri

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    15

    Sat

  • BOI–SYD, Aug 16, 2026 – Aug 18, 2026: From $2,906
    16

    Sun

  • BOI–SYD, Aug 17, 2026 – Aug 18, 2026: From $2,131
    17

    Mon

  • BOI–SYD, Aug 18, 2026 – Aug 19, 2026: From $11,378
    18

    Tue

  • BOI–SYD, Aug 19, 2026 – Aug 26, 2026: From $1,931
    19

    Wed

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    20

    Thu

  • BOI–SYD, Aug 21, 2026 – Aug 28, 2026: From $2,131
    21

    Fri

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    22

    Sat

  • BOI–SYD, Aug 23, 2026 – Sep 07, 2026: From $2,132
    23

    Sun

  • BOI–SYD, Aug 24, 2026 – Aug 31, 2026: From $2,031
    24

    Mon

  • BOI–SYD, Aug 25, 2026 – Aug 31, 2026: From $8,561
    25

    Tue

  • BOI–SYD, Aug 26, 2026 – Sep 02, 2026: From $1,732
    26

    Wed

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    27

    Thu

  • BOI–SYD, Aug 28, 2026 – Sep 07, 2026: From $1,782
    28

    Fri

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    29

    Sat

  • BOI–SYD: cmp-view-offers-disclaimer. Check availability
    30

    Sun

    • Range$1,732-$11,378

    *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 Boise (BOI) to Sydney (SYD) flights departing in the next 90 days

    $

    Boise (BOI)to

    Sydney (SYD)
    Sep 22, 2026 - Sep 29, 2026
    From
    $1,631
    Refreshed: 4 hrs ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    Sep 21, 2026 - Sep 29, 2026
    From
    $1,632
    Refreshed: 22 hrs ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    Sep 22, 2026 - Sep 30, 2026
    From
    $1,632
    Refreshed: 15 hrs ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    Sep 23, 2026 - Sep 30, 2026
    From
    $1,681
    Refreshed: 9 hrs ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    Sep 18, 2026 - Sep 28, 2026
    From
    $1,682
    Refreshed: 1 day ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    Oct 14, 2026 - Nov 04, 2026
    From
    $1,682
    Refreshed: 9 hrs ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    Sep 18, 2026 - Sep 30, 2026
    From
    $1,682
    Refreshed: 22 hrs ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    Oct 02, 2026 - Oct 14, 2026
    From
    $1,731
    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.