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

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Low fares from Long Island/Islip MacArthur to Austin

$

Long Island/Islip MacArthur (ISP)to

Austin (AUS)
Depart: 12/16/2026

One-way

Basic

From
$209
Seen: 19 hrs ago

Long Island/Islip MacArthur (ISP)to

Austin (AUS)
Depart: 02/13/2027

One-way

Basic

From
$229
Seen: 22 hrs ago

Long Island/Islip MacArthur (ISP)to

Austin (AUS)
Depart: 12/08/2026

One-way

Basic

From
$229
Seen: 7 hrs ago

Long Island/Islip MacArthur (ISP)to

Austin (AUS)
Depart: 01/07/2027

One-way

Basic

From
$229
Seen: 27 minutes ago

Long Island/Islip MacArthur (ISP)to

Austin (AUS)
Depart: 02/19/2027

One-way

Basic

From
$244
Seen: 10 hrs ago

Long Island/Islip MacArthur (ISP)to

Austin (AUS)
Depart: 12/16/2026

One-way

Choice

From
$259
Seen: 19 hrs ago

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Explore flights from Long Island/Islip MacArthur to Austin

Nov 2026
From$324*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$209*
Seen: 19 hrs ago
One Way/Basic
Jan 2027
From$229*
Seen: 27 minutes ago
One Way/Basic
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
  • ISP–AUS: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

    NOV

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

    Fri

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

    Sat

  • ISP–AUS, 11/15/2026: From $614
    15

    Sun

  • ISP–AUS, 11/16/2026: From $614
    16

    Mon

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

    Tue

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

    Wed

  • ISP–AUS, 11/19/2026: From $519
    19

    Thu

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

    Fri

  • ISP–AUS, 11/21/2026: From $519
    21

    Sat

  • ISP–AUS, 11/22/2026: From $519
    22

    Sun

  • ISP–AUS: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

  • ISP–AUS, 11/24/2026: From $324
    24

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

  • ISP–AUS, 11/29/2026: From $516
    29

    Sun

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

    Mon

  • ISP–AUS, 12/01/2026: From $324
    01

    Tue

    DEC

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

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

  • ISP–AUS, 12/08/2026: From $229
    08

    Tue

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

    Wed

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

    Thu

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

    Fri

    • 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:
    Long Island MacArthur Airport
    Arriving at:
    Austin-Bergstrom International Airport
    Distance:
    1559 miles

    Questions we hear the most

    There are 77 weekly flights from Long Island/Islip MacArthur to Austin on Southwest Airlines.
    To find the lowest fares by day and time to fly Long Island/Islip MacArthur to Austin with Southwest, check out our Low Fare Calendar.
    You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
    Yes! Flights from Long Island/Islip MacArthur to Austin—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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