Southwest® flights from San Diego to Harlingen/South Padre Island from $176

Promo Code

Low fares from San Diego to Harlingen/South Padre Island

$

San Diego (SAN)to

Harlingen/South Padre Island (HRL)
Depart: 12/01/2026

One-way

Basic

From
$176
Seen: 8 hrs ago

San Diego (SAN)to

Harlingen/South Padre Island (HRL)
Depart: 12/05/2026

One-way

Basic

From
$176
Seen: 20 hrs ago

San Diego (SAN)to

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

One-way

Basic

From
$200
Seen: 9 hrs ago

San Diego (SAN)to

Harlingen/South Padre Island (HRL)
Depart: 12/10/2026

One-way

Basic

From
$205
Seen: 7 hrs ago

San Diego (SAN)to

Harlingen/South Padre Island (HRL)
Depart: 12/05/2026

One-way

Choice

From
$221
Seen: 20 hrs ago

San Diego (SAN)to

Harlingen/South Padre Island (HRL)
Depart: 12/01/2026

One-way

Choice

From
$221
Seen: 8 hrs ago

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Explore flights from San Diego to Harlingen/South Padre Island

Nov 2026
From$226*
Seen: 1 hour ago
One Way/Basic
Dec 2026
From$176*
Seen: 8 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $176
cmp-daily-histogram-bars-legend-max-price-aria-label $340
Displaying fares for November-2026
  • SAN–HRL, 11/10/2026: From $226
    10

    Tue

    NOV

  • SAN–HRL, 11/11/2026: From $226
    11

    Wed

  • SAN–HRL, 11/12/2026: From $285
    12

    Thu

  • SAN–HRL, 11/13/2026: From $285
    13

    Fri

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    14

    Sat

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    15

    Sun

  • SAN–HRL, 11/16/2026: From $260
    16

    Mon

  • SAN–HRL, 11/17/2026: From $226
    17

    Tue

  • SAN–HRL, 11/18/2026: From $226
    18

    Wed

  • SAN–HRL: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

  • SAN–HRL, 11/20/2026: From $340
    20

    Fri

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    21

    Sat

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    22

    Sun

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    23

    Mon

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    24

    Tue

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    25

    Wed

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    26

    Thu

  • SAN–HRL, 11/27/2026: From $255
    27

    Fri

  • SAN–HRL: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

  • SAN–HRL: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • SAN–HRL, 11/30/2026: From $280
    30

    Mon

  • SAN–HRL, 12/01/2026: From $176
    01

    Tue

    DEC

  • SAN–HRL: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • SAN–HRL: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

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

    Fri

  • SAN–HRL, 12/05/2026: From $176
    05

    Sat

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    06

    Sun

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    07

    Mon

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    08

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    09

    Wed

    • Range$176-$340

    *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 Diego International Airport
    Arriving at:
    Valley International Airport
    Distance:
    1257 miles

    Questions we hear the most

    There are 73 weekly flights from San Diego to Harlingen/South Padre Island on Southwest Airlines.
    To find the lowest fares by day and time to fly San Diego 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 Diego 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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