Seattle (SEA) to New Plymouth (NPL) flights from $1,657* with Air New Zealand

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

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Find the best fares for flights from Seattle (SEA) to New Plymouth (NPL)

Mar 2026
From$2,420*
Refreshed: 30 minutes ago
Per person, return/Economy
Apr 2026
No result for this month.
May 2026
From$1,870*
Refreshed: 13 hrs ago
Per person, return/Economy
$2.4K
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    • Range$2,420

    *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 New Plymouth (NPL) flights departing in the next 90 days

    Seattle (SEA)to

    New Plymouth (NPL)
    May 18, 2026 - May 27, 2026
    From
    $1,870
    Refreshed: 13 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    New Plymouth (NPL)
    May 19, 2026 - May 27, 2026
    From
    $1,870
    Refreshed: 13 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    New Plymouth (NPL)
    May 21, 2026 - May 28, 2026
    From
    $1,870
    Refreshed: 13 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    New Plymouth (NPL)
    May 20, 2026 - May 27, 2026
    From
    $1,870
    Refreshed: 13 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    New Plymouth (NPL)
    May 17, 2026 - May 27, 2026
    From
    $1,920
    Refreshed: 13 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    New Plymouth (NPL)
    May 23, 2026 - May 31, 2026
    From
    $1,970
    Refreshed: 13 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    New Plymouth (NPL)
    May 22, 2026 - May 28, 2026
    From
    $2,420
    Refreshed: 13 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    New Plymouth (NPL)
    Mar 22, 2026 - Mar 24, 2026
    From
    $2,420
    Refreshed: 30 minutes 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 New Plymouth

    *Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges