Islip, Long Island (ISP) to Nantucket (ACK) Flight Deals from $493!

Promo Code

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

Try alternate month or interact with individual days below in order to find offers.
Apr 2026
No result for this month.
May 2026
From$493*
Viewed: 12 hours ago
Flight Type One Way/Economy
Jun 2026
From$513*
Viewed: 1 hour ago
Flight Type One Way/Economy
$493
Displaying fares for April-2026
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    • Range$493-$603

    *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 Islip, Long Island to Nantucket plane ticket offers

    $
    Find Islip, Long Island to Nantucket plane ticket offers
    From
    To
    Fare Type
    Dates
    Price
    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 06/09/2026

    Fares From

    $513

    Viewed: 1 day ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 05/20/2026

    Fares From

    $543

    Viewed: 1 day ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 05/05/2026

    Fares From

    $493

    Viewed: 12 hours ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 06/23/2026

    Fares From

    $513

    Viewed: 10 hours ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 06/16/2026

    Fares From

    $513

    Viewed: 1 hour ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 05/02/2026

    Fares From

    $543

    Viewed: 12 hours ago

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

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