Boise (BOI) to Sydney (SYD) flights from $1,255* 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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Find the best fares for flights from Boise (BOI) to Sydney (SYD)

Mar 2026
From$2,631*
Refreshed: 19 hrs ago
Per person, return/Economy
Apr 2026
From$1,656*
Refreshed: 19 hrs ago
Per person, return/Economy
May 2026
From$1,256*
Refreshed: 1 day ago
Per person, return/Economy
$1.8K
$3.9K
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    • Range$1,756-$3,906

    *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)
    May 04, 2026 - May 19, 2026
    From
    $1,256
    Refreshed: 1 day ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    May 06, 2026 - May 13, 2026
    From
    $1,256
    Refreshed: 1 day ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    May 12, 2026 - May 19, 2026
    From
    $1,256
    Refreshed: 1 day ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    May 12, 2026 - May 27, 2026
    From
    $1,256
    Refreshed: 17 hrs ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    May 19, 2026 - Jun 02, 2026
    From
    $1,256
    Refreshed: 1 day ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    May 05, 2026 - May 13, 2026
    From
    $1,256
    Refreshed: 1 day ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    May 13, 2026 - May 27, 2026
    From
    $1,306
    Refreshed: 1 day ago
    Per person, return
    Economy

    Boise (BOI)to

    Sydney (SYD)
    May 08, 2026 - May 27, 2026
    From
    $1,306
    Refreshed: 17 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