Southwest® flights from New York (LaGuardia) to San Antonio from $89

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Low fares from New York (LaGuardia) to San Antonio

$

New York (LaGuardia) (LGA)to

San Antonio (SAT)
Depart: 10/03/2026

One-way

Basic

From
$89
Seen: 3 hrs ago

New York (LaGuardia) (LGA)to

San Antonio (SAT)
Depart: 10/03/2026

One-way

Choice

From
$139
Seen: 3 hrs ago

New York (LaGuardia) (LGA)to

San Antonio (SAT)
Depart: 11/07/2026

One-way

Basic

From
$150
Seen: 16 hrs ago

New York (LaGuardia) (LGA)to

San Antonio (SAT)
Depart: 11/05/2026

One-way

Basic

From
$150
Seen: 16 hrs ago

New York (LaGuardia) (LGA)to

San Antonio (SAT)
Depart: 10/31/2026

One-way

Basic

From
$150
Seen: 16 hrs ago

New York (LaGuardia) (LGA)to

San Antonio (SAT)
Depart: 09/17/2026

One-way

Basic

From
$150
Seen: 10 hrs ago

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Explore flights from New York (LaGuardia) to San Antonio

Aug 2026
From$315*
Seen: 23 hrs ago
One Way/Basic
Sep 2026
From$150*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$89*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $150
cmp-daily-histogram-bars-legend-max-price-aria-label $375
Displaying fares for August-2026
  • LGA–SAT, 08/22/2026: From $375
    22

    Sat

    AUG

  • LGA–SAT: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

  • LGA–SAT: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • LGA–SAT: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • LGA–SAT, 08/26/2026: From $370
    26

    Wed

  • LGA–SAT, 08/27/2026: From $370
    27

    Thu

  • LGA–SAT, 08/28/2026: From $315
    28

    Fri

  • LGA–SAT, 08/29/2026: From $315
    29

    Sat

  • LGA–SAT, 08/30/2026: From $315
    30

    Sun

  • LGA–SAT, 08/31/2026: From $315
    31

    Mon

  • LGA–SAT, 09/01/2026: From $310
    01

    Tue

    SEP

  • LGA–SAT, 09/02/2026: From $315
    02

    Wed

  • LGA–SAT, 09/03/2026: From $315
    03

    Thu

  • LGA–SAT, 09/04/2026: From $255
    04

    Fri

  • LGA–SAT, 09/05/2026: From $255
    05

    Sat

  • LGA–SAT, 09/06/2026: From $255
    06

    Sun

  • LGA–SAT: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • LGA–SAT, 09/08/2026: From $255
    08

    Tue

  • LGA–SAT, 09/09/2026: From $255
    09

    Wed

  • LGA–SAT: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • LGA–SAT, 09/11/2026: From $191
    11

    Fri

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

    Sat

  • LGA–SAT: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • LGA–SAT, 09/14/2026: From $245
    14

    Mon

  • LGA–SAT, 09/15/2026: From $150
    15

    Tue

  • LGA–SAT: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • LGA–SAT, 09/17/2026: From $150
    17

    Thu

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

    Fri

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

    Sat

  • LGA–SAT, 09/20/2026: From $190
    20

    Sun

  • LGA–SAT, 09/21/2026: From $208
    21

    Mon

    • Range$150-$375

    *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:
    La Guardia Airport
    Arriving at:
    San Antonio International Airport
    Distance:
    1586 miles

    Route Information

    140† 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 140 weekly flights from New York (LaGuardia) to San Antonio on Southwest Airlines.
    To find the lowest fares by day and time to fly New York (LaGuardia) to San Antonio with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Antonio International Airport book yours with your flight.
    Yes! Flights from New York (LaGuardia) to San Antonio—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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