Southwest® flights from New Orleans to Long Island/Islip MacArthur from $170

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Low fares from New Orleans to Long Island/Islip MacArthur

$

New Orleans (MSY)to

Long Island/Islip MacArthur (ISP)
Depart: 10/28/2026

One-way

Basic

From
$170
Seen: 23 hrs ago

New Orleans (MSY)to

Long Island/Islip MacArthur (ISP)
Depart: 09/02/2026

One-way

Basic

From
$189
Seen: 7 hrs ago

New Orleans (MSY)to

Long Island/Islip MacArthur (ISP)
Depart: 09/26/2026

One-way

Basic

From
$193
Seen: 18 hrs ago

New Orleans (MSY)to

Long Island/Islip MacArthur (ISP)
Depart: 10/24/2026

One-way

Basic

From
$193
Seen: 12 hrs ago

New Orleans (MSY)to

Long Island/Islip MacArthur (ISP)
Depart: 09/19/2026

One-way

Basic

From
$193
Seen: 14 hrs ago

New Orleans (MSY)to

Long Island/Islip MacArthur (ISP)
Depart: 09/25/2026

One-way

Basic

From
$206
Seen: 17 hrs ago

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Explore flights from New Orleans to Long Island/Islip MacArthur

Aug 2026
From$229*
Seen: 17 hrs ago
One Way/Basic
Sep 2026
From$189*
Seen: 7 hrs ago
One Way/Basic
Oct 2026
From$170*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $229
cmp-daily-histogram-bars-legend-max-price-aria-label $539
Displaying fares for August-2026
  • MSY–ISP, 08/01/2026: From $539
    01

    Sat

    AUG

  • MSY–ISP, 08/02/2026: From $539
    02

    Sun

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    Tue

  • MSY–ISP, 08/05/2026: From $539
    05

    Wed

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    06

    Thu

  • MSY–ISP, 08/07/2026: From $444
    07

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    08

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    10

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    11

    Tue

  • MSY–ISP, 08/12/2026: From $444
    12

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    13

    Thu

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    14

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    15

    Sat

  • MSY–ISP, 08/16/2026: From $317
    16

    Sun

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    17

    Mon

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    18

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    19

    Wed

  • MSY–ISP, 08/20/2026: From $259
    20

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

    Fri

  • MSY–ISP, 08/22/2026: From $239
    22

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    23

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    24

    Mon

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    25

    Tue

  • MSY–ISP, 08/26/2026: From $229
    26

    Wed

  • MSY–ISP, 08/27/2026: From $239
    27

    Thu

  • MSY–ISP, 08/28/2026: From $259
    28

    Fri

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    29

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    30

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    31

    Mon

    • Range$229-$539

    *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:
    Louis Armstrong International Airport
    Arriving at:
    Long Island MacArthur Airport
    Distance:
    1218 miles

    Route Information

    76† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 76 weekly flights from New Orleans to Long Island/Islip MacArthur on Southwest Airlines.
    To find the lowest fares by day and time to fly New Orleans 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 New Orleans 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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