Southwest® flights from Harlingen/South Padre Island to Long Island/Islip MacArthur from $171

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Low fares from Harlingen/South Padre Island to Long Island/Islip MacArthur

$

Harlingen/South Padre Island (HRL)to

Long Island/Islip MacArthur (ISP)
Depart: 01/13/2027

One-way

Basic

From
$171
Seen: 5 hrs ago

Harlingen/South Padre Island (HRL)to

Long Island/Islip MacArthur (ISP)
Depart: 12/03/2026

One-way

Basic

From
$171
Seen: 42 minutes ago

Harlingen/South Padre Island (HRL)to

Long Island/Islip MacArthur (ISP)
Depart: 12/05/2026

One-way

Basic

From
$171
Seen: 2 hrs ago

Harlingen/South Padre Island (HRL)to

Long Island/Islip MacArthur (ISP)
Depart: 12/04/2026

One-way

Basic

From
$217
Seen: 2 hrs ago

Harlingen/South Padre Island (HRL)to

Long Island/Islip MacArthur (ISP)
Depart: 11/23/2026

One-way

Basic

From
$226
Seen: 4 hrs ago

Harlingen/South Padre Island (HRL)to

Long Island/Islip MacArthur (ISP)
Depart: 01/13/2027

One-way

Choice

From
$226
Seen: 5 hrs ago

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Explore flights from Harlingen/South Padre Island to Long Island/Islip MacArthur

Oct 2026
From$519*
Seen: 5 hrs ago
One Way/Basic
Nov 2026
From$226*
Seen: 4 hrs ago
One Way/Basic
Dec 2026
From$171*
Seen: 42 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $226
cmp-daily-histogram-bars-legend-max-price-aria-label $614
Displaying fares for October-2026
  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

    OCT

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    25

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    26

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    27

    Tue

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    28

    Wed

  • HRL–ISP, 10/29/2026: From $614
    29

    Thu

  • HRL–ISP, 10/30/2026: From $519
    30

    Fri

  • HRL–ISP, 10/31/2026: From $519
    31

    Sat

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    01

    Sun

    NOV

  • HRL–ISP, 11/02/2026: From $519
    02

    Mon

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    03

    Tue

  • HRL–ISP, 11/04/2026: From $519
    04

    Wed

  • HRL–ISP, 11/05/2026: From $519
    05

    Thu

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    06

    Fri

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    07

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    08

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  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    09

    Mon

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    10

    Tue

  • HRL–ISP, 11/11/2026: From $324
    11

    Wed

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

  • HRL–ISP, 11/13/2026: From $300
    13

    Fri

  • HRL–ISP, 11/14/2026: From $300
    14

    Sat

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

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    16

    Mon

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    17

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  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

  • HRL–ISP: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • HRL–ISP, 11/22/2026: From $369
    22

    Sun

  • HRL–ISP, 11/23/2026: From $226
    23

    Mon

    • Range$226-$614

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Valley International Airport
    Arriving at:
    Long Island MacArthur Airport
    Distance:
    1727 miles

    Questions we hear the most

    There are 30 weekly flights from Harlingen/South Padre Island to Long Island/Islip MacArthur on Southwest Airlines.
    To find the lowest fares by day and time to fly Harlingen/South Padre Island to Long Island/Islip MacArthur with Southwest, check out our Low Fare Calendar.
    You can rent a car at Long Island MacArthur Airport book yours with your flight.
    Yes! Flights from Harlingen/South Padre Island to Long Island/Islip MacArthur—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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