Nantucket (ACK) to Islip, Long Island (ISP) Flight Deals from $403!

Promo Code

Cape Air Tickets for Upcoming Nantucket (ACK) to Islip, Long Island (ISP) Flights

Mar 2026
From$403*
Viewed: 1 day ago
Flight Type One Way/Economy
Apr 2026
From$443*
Viewed: 1 day ago
Flight Type One Way/Economy
May 2026
From$543*
Viewed: 5 hours ago
Flight Type One Way/Economy
$403
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    • Range$403-$583

    *Prices have been viewed by other users searching within the last 48 hours for flights on this route, and may not be currently available. Additional baggage charges and fees may apply. Other terms and conditions may apply.

    Find Nantucket to Islip, Long Island plane ticket offers

    Find Nantucket to Islip, Long Island plane ticket offers
    From
    To
    Fare Type
    Dates
    Price
    Nantucket (ACK)Islip, Long Island (ISP)One-way
    /
    Economy    		Depart: 03/30/2026

    Fares From

    $403

    Viewed: 1 day ago

    Nantucket (ACK)Islip, Long Island (ISP)One-way
    /
    Economy    		Depart: 04/02/2026

    Fares From

    $443

    Viewed: 1 day ago

    Nantucket (ACK)Islip, Long Island (ISP)One-way
    /
    Economy    		Depart: 06/02/2026

    Fares From

    $463

    Viewed: 5 hours ago

    Nantucket (ACK)Islip, Long Island (ISP)One-way
    /
    Economy    		Depart: 04/04/2026

    Fares From

    $493

    Viewed: 1 day ago

    Nantucket (ACK)Islip, Long Island (ISP)One-way
    /
    Economy    		Depart: 03/29/2026

    Fares From

    $503

    Viewed: 1 day ago

    Nantucket (ACK)Islip, Long Island (ISP)One-way
    /
    Economy    		Depart: 04/03/2026

    Fares From

    $523

    Viewed: 1 day ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.

    Nantucket (ACK) to Islip, Long Island (ISP) Flight Deals