Southwest® flights from San Antonio to Harlingen/South Padre Island from $131

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Low fares from San Antonio to Harlingen/South Padre Island

$

San Antonio (SAT)to

Harlingen/South Padre Island (HRL)
Depart: 12/09/2026

One-way

Basic

From
$131
Seen: 11 hrs ago

San Antonio (SAT)to

Harlingen/South Padre Island (HRL)
Depart: 12/02/2026

One-way

Basic

From
$131
Seen: 18 hrs ago

San Antonio (SAT)to

Harlingen/South Padre Island (HRL)
Depart: 12/03/2026

One-way

Basic

From
$146
Seen: 12 hrs ago

San Antonio (SAT)to

Harlingen/South Padre Island (HRL)
Depart: 12/14/2026

One-way

Basic

From
$156
Seen: 19 hrs ago

San Antonio (SAT)to

Harlingen/South Padre Island (HRL)
Depart: 12/15/2026

One-way

Basic

From
$156
Seen: 16 hrs ago

San Antonio (SAT)to

Harlingen/South Padre Island (HRL)
Depart: 12/02/2026

One-way

Choice

From
$166
Seen: 18 hrs ago

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Explore flights from San Antonio to Harlingen/South Padre Island

Nov 2026
From$185*
Seen: 4 hrs ago
One Way/Basic
Dec 2026
From$131*
Seen: 11 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $131
cmp-daily-histogram-bars-legend-max-price-aria-label $255
Displaying fares for November-2026
  • SAT–HRL, 11/10/2026: From $195
    10

    Tue

    NOV

  • SAT–HRL, 11/11/2026: From $195
    11

    Wed

  • SAT–HRL, 11/12/2026: From $195
    12

    Thu

  • SAT–HRL, 11/13/2026: From $225
    13

    Fri

  • SAT–HRL, 11/14/2026: From $195
    14

    Sat

  • SAT–HRL, 11/15/2026: From $195
    15

    Sun

  • SAT–HRL, 11/16/2026: From $195
    16

    Mon

  • SAT–HRL, 11/17/2026: From $185
    17

    Tue

  • SAT–HRL, 11/18/2026: From $185
    18

    Wed

  • SAT–HRL, 11/19/2026: From $185
    19

    Thu

  • SAT–HRL, 11/20/2026: From $255
    20

    Fri

  • SAT–HRL, 11/21/2026: From $195
    21

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

  • SAT–HRL: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

  • SAT–HRL, 11/27/2026: From $195
    27

    Fri

  • SAT–HRL, 11/28/2026: From $236
    28

    Sat

  • SAT–HRL, 11/29/2026: From $255
    29

    Sun

  • SAT–HRL: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

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

    Tue

    DEC

  • SAT–HRL, 12/02/2026: From $131
    02

    Wed

  • SAT–HRL, 12/03/2026: From $146
    03

    Thu

  • SAT–HRL: cmp-view-offers-disclaimer. Find Offers
    04

    Fri

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

    Sat

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    06

    Sun

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    07

    Mon

  • SAT–HRL: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • SAT–HRL, 12/09/2026: From $131
    09

    Wed

    • Range$131-$255

    *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:
    Valley International Airport
    Distance:
    233 miles

    Questions we hear the most

    There are 85 weekly flights from San Antonio to Harlingen/South Padre Island on Southwest Airlines.
    To find the lowest fares by day and time to fly San Antonio to Harlingen/South Padre Island with Southwest, check out our Low Fare Calendar.
    You can rent a car at Valley International Airport book yours with your flight.
    Yes! Flights from San Antonio to Harlingen/South Padre Island—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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