Flights from Houston, TX to Islip, NY

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Best Deals on Flights From Houston, TX (IAH) to Islip, NY (ISP)

Oct 2026
from$234*
Last seen: 14 hours ago
One-way/Economy
Nov 2026
from$219*
Last seen: 16 hours ago
One-way/Economy
Dec 2026
No results for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $234
Displaying fares for October-2026
  • IAH–ISP: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

    OCT

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    08

    Thu

  • IAH–ISP, Oct 9, 2026: from $240
    09

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  • IAH–ISP, Oct 10, 2026: from $462
    10

    Sat

  • IAH–ISP, Oct 11, 2026: from $462
    11

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    12

    Mon

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    13

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  • IAH–ISP, Oct 14, 2026: from $234
    14

    Wed

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    15

    Thu

  • IAH–ISP, Oct 16, 2026: from $240
    16

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    17

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    18

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    19

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    20

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    21

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    22

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    23

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    24

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    25

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    26

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    27

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    28

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    29

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    30

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    31

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    01

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    NOV

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    02

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    03

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    04

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    05

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    06

    Fri

    • Range$234-$462

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Houston, TX to Islip, NY on Frontier

    $
    Flights Deals from Houston, TX to Islip, NY on Frontier
    From
    To
    Houston, TX (IAH)Islip, NY (ISP)One-way
    /
    Discount Den Basic Fare    		Departing Feb 20, 2027

    From

    $416

    Last seen: 15 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Houston, TX Islip, NY

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