Southwest® flights from San Antonio to Long Island/Islip MacArthur from $209

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Low fares from San Antonio to Long Island/Islip MacArthur

$

San Antonio (SAT)to

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

One-way

Basic

From
$209
Seen: 11 hrs ago

San Antonio (SAT)to

Long Island/Islip MacArthur (ISP)
Depart: 02/09/2027

One-way

Basic

From
$209
Seen: 10 hrs ago

San Antonio (SAT)to

Long Island/Islip MacArthur (ISP)
Depart: 12/10/2026

One-way

Basic

From
$229
Seen: 14 hrs ago

San Antonio (SAT)to

Long Island/Islip MacArthur (ISP)
Depart: 12/19/2026

One-way

Basic

From
$229
Seen: 44 minutes ago

San Antonio (SAT)to

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

One-way

Basic

From
$229
Seen: 9 hrs ago

San Antonio (SAT)to

Long Island/Islip MacArthur (ISP)
Depart: 02/12/2027

One-way

Basic

From
$229
Seen: 21 hrs ago

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Explore flights from San Antonio to Long Island/Islip MacArthur

Nov 2026
From$324*
Seen: 21 hrs ago
One Way/Basic
Dec 2026
From$209*
Seen: 11 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $229
cmp-daily-histogram-bars-legend-max-price-aria-label $614
Displaying fares for November-2026
  • SAT–ISP, 11/11/2026: From $614
    11

    Wed

    NOV

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

    Thu

  • SAT–ISP, 11/13/2026: From $614
    13

    Fri

  • SAT–ISP, 11/14/2026: From $614
    14

    Sat

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

    Sun

  • SAT–ISP, 11/16/2026: From $519
    16

    Mon

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

    Tue

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

    Wed

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

    Thu

  • SAT–ISP, 11/20/2026: From $519
    20

    Fri

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

    Sat

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

    Sun

  • SAT–ISP, 11/23/2026: From $519
    23

    Mon

  • SAT–ISP, 11/24/2026: From $519
    24

    Tue

  • SAT–ISP, 11/25/2026: From $324
    25

    Wed

  • SAT–ISP, 11/26/2026: From $324
    26

    Thu

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

    Fri

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

    Sat

  • SAT–ISP, 11/29/2026: From $399
    29

    Sun

  • SAT–ISP, 11/30/2026: From $354
    30

    Mon

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

    Tue

    DEC

  • SAT–ISP: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • SAT–ISP, 12/03/2026: From $249
    03

    Thu

  • SAT–ISP, 12/04/2026: From $300
    04

    Fri

  • SAT–ISP: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • SAT–ISP: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

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    07

    Mon

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    08

    Tue

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

    Wed

  • SAT–ISP, 12/10/2026: From $229
    10

    Thu

    • Range$229-$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:
    San Antonio International Airport
    Arriving at:
    Long Island MacArthur Airport
    Distance:
    1624 miles

    Questions we hear the most

    There are 62 weekly flights from San Antonio to Long Island/Islip MacArthur on Southwest Airlines.
    To find the lowest fares by day and time to fly San Antonio 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 San Antonio 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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