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

Aug 2026
From$493*
Viewed: 8 hours ago
Flight Type One Way/Economy
Sep 2026
No result for this month.
Oct 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $493
cmp-daily-histogram-bars-legend-max-price-aria-label $703
Displaying fares for August-2026
  • ISP–ACK, 08/02/2026: From $493
    02

    Su

    AUG

  • ISP–ACK, 08/03/2026: From $563
    03

    Mo

  • ISP–ACK, 08/04/2026: From $553
    04

    Tu

  • ISP–ACK, 08/05/2026: From $603
    05

    We

  • ISP–ACK, 08/06/2026: From $703
    06

    Th

  • ISP–ACK, 08/07/2026: From $633
    07

    Fr

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    08

    Sa

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    09

    Su

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    10

    Mo

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    11

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    12

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    13

    Th

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    14

    Fr

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    15

    Sa

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    16

    Su

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    17

    Mo

  • ISP–ACK, 08/18/2026: From $493
    18

    Tu

  • ISP–ACK, 08/19/2026: From $573
    19

    We

  • ISP–ACK, 08/20/2026: From $543
    20

    Th

  • ISP–ACK, 08/21/2026: From $573
    21

    Fr

  • ISP–ACK, 08/22/2026: From $663
    22

    Sa

  • ISP–ACK, 08/23/2026: From $583
    23

    Su

  • ISP–ACK, 08/24/2026: From $553
    24

    Mo

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    25

    Tu

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    26

    We

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    27

    Th

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    28

    Fr

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    29

    Sa

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    30

    Su

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    31

    Mo

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    01

    Tu

    SEP

    • Range$493-$703

    *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: 08/18/2026

    Fares From

    $493

    Viewed: 8 hours ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 08/02/2026

    Fares From

    $493

    Viewed: 40 minutes ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 08/20/2026

    Fares From

    $543

    Viewed: 8 hours ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 08/04/2026

    Fares From

    $553

    Viewed: 40 minutes ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 08/24/2026

    Fares From

    $553

    Viewed: 8 hours ago

    Islip, Long Island (ISP)Nantucket (ACK)One-way
    /
    Economy    		Depart: 08/03/2026

    Fares From

    $563

    Viewed: 40 minutes 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