Southwest® flights from Raleigh/Durham to Long Island/Islip MacArthur from $99

Promo Code

Low fares from Raleigh/Durham to Long Island/Islip MacArthur

$

Raleigh/Durham (RDU)to

Long Island/Islip MacArthur (ISP)
Depart: 09/11/2026

One-way

Basic

From
$99
Seen: 21 hrs ago

Raleigh/Durham (RDU)to

Long Island/Islip MacArthur (ISP)
Depart: 09/05/2026

One-way

Basic

From
$99
Seen: 5 hrs ago

Raleigh/Durham (RDU)to

Long Island/Islip MacArthur (ISP)
Depart: 09/11/2026

One-way

Choice

From
$134
Seen: 21 hrs ago

Raleigh/Durham (RDU)to

Long Island/Islip MacArthur (ISP)
Depart: 09/05/2026

One-way

Choice

From
$134
Seen: 5 hrs ago

Raleigh/Durham (RDU)to

Long Island/Islip MacArthur (ISP)
Depart: 09/28/2026

One-way

Basic

From
$138
Seen: 1 hour ago

Raleigh/Durham (RDU)to

Long Island/Islip MacArthur (ISP)
Depart: 10/08/2026

One-way

Basic

From
$138
Seen: 6 hrs ago

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Explore flights from Raleigh/Durham to Long Island/Islip MacArthur

Aug 2026
From$138*
Seen: 4 hrs ago
One Way/Basic
Sep 2026
From$99*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$138*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $138
cmp-daily-histogram-bars-legend-max-price-aria-label $409
Displaying fares for August-2026
  • RDU–ISP, 08/02/2026: From $409
    02

    Sun

    AUG

  • RDU–ISP, 08/03/2026: From $409
    03

    Mon

  • RDU–ISP, 08/04/2026: From $409
    04

    Tue

  • RDU–ISP, 08/05/2026: From $409
    05

    Wed

  • RDU–ISP, 08/06/2026: From $409
    06

    Thu

  • RDU–ISP, 08/07/2026: From $409
    07

    Fri

  • RDU–ISP, 08/08/2026: From $409
    08

    Sat

  • RDU–ISP, 08/09/2026: From $316
    09

    Sun

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

    Mon

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    11

    Tue

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

    Wed

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

  • RDU–ISP, 08/14/2026: From $316
    14

    Fri

  • RDU–ISP, 08/15/2026: From $258
    15

    Sat

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

  • RDU–ISP, 08/17/2026: From $235
    17

    Mon

  • RDU–ISP, 08/18/2026: From $235
    18

    Tue

  • RDU–ISP, 08/19/2026: From $235
    19

    Wed

  • RDU–ISP, 08/20/2026: From $239
    20

    Thu

  • RDU–ISP, 08/21/2026: From $235
    21

    Fri

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • RDU–ISP, 08/23/2026: From $199
    23

    Sun

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • RDU–ISP, 08/26/2026: From $138
    26

    Wed

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • RDU–ISP: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

    • Range$138-$409

    *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:
    Raleigh/Durham Airport
    Arriving at:
    Long Island MacArthur Airport
    Distance:
    459 miles

    Route Information

    74† 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 74 weekly flights from Raleigh/Durham to Long Island/Islip MacArthur on Southwest Airlines.
    To find the lowest fares by day and time to fly Raleigh/Durham 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 Raleigh/Durham 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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