Southwest® flights from Indianapolis to Long Island/Islip MacArthur from $126

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Low fares from Indianapolis to Long Island/Islip MacArthur

$

Indianapolis (IND)to

Long Island/Islip MacArthur (ISP)
Depart: 12/16/2026

One-way

Basic

From
$126
Seen: 22 hrs ago

Indianapolis (IND)to

Long Island/Islip MacArthur (ISP)
Depart: 01/20/2027

One-way

Basic

From
$126
Seen: 23 hrs ago

Indianapolis (IND)to

Long Island/Islip MacArthur (ISP)
Depart: 12/02/2026

One-way

Basic

From
$126
Seen: 19 hrs ago

Indianapolis (IND)to

Long Island/Islip MacArthur (ISP)
Depart: 12/17/2026

One-way

Basic

From
$141
Seen: 13 hrs ago

Indianapolis (IND)to

Long Island/Islip MacArthur (ISP)
Depart: 12/01/2026

One-way

Basic

From
$147
Seen: 11 hrs ago

Indianapolis (IND)to

Long Island/Islip MacArthur (ISP)
Depart: 11/12/2026

One-way

Basic

From
$147
Seen: 9 hrs ago

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Explore flights from Indianapolis to Long Island/Islip MacArthur

Oct 2026
From$354*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$147*
Seen: 9 hrs ago
One Way/Basic
Dec 2026
From$126*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $147
Displaying fares for October-2026
  • IND–ISP, 10/21/2026: From $449
    21

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    OCT

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  • IND–ISP, 10/29/2026: From $354
    29

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  • IND–ISP, 10/30/2026: From $354
    30

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  • IND–ISP, 10/31/2026: From $354
    31

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    NOV

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  • IND–ISP, 11/06/2026: From $259
    06

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    11

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  • IND–ISP, 11/12/2026: From $147
    12

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    13

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  • IND–ISP, 11/14/2026: From $147
    14

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    15

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  • IND–ISP, 11/16/2026: From $153
    16

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    17

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    18

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  • IND–ISP, 11/19/2026: From $229
    19

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    20

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    • Range$147-$449

    *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:
    Indianapolis International Airport
    Arriving at:
    Long Island MacArthur Airport
    Distance:
    701 miles

    Questions we hear the most

    There are 75 weekly flights from Indianapolis to Long Island/Islip MacArthur on Southwest Airlines.
    To find the lowest fares by day and time to fly Indianapolis 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 Indianapolis 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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