Southwest® flights from Austin to Harlingen/South Padre Island from $59

Promo Code

Low fares from Austin to Harlingen/South Padre Island

$

Austin (AUS)to

Harlingen/South Padre Island (HRL)
Depart: 09/05/2026

One-way

Basic

From
$59
Seen: 14 hrs ago

Austin (AUS)to

Harlingen/South Padre Island (HRL)
Depart: 09/11/2026

One-way

Basic

From
$59
Seen: 1 hour ago

Austin (AUS)to

Harlingen/South Padre Island (HRL)
Depart: 10/17/2026

One-way

Basic

From
$76
Seen: 22 hrs ago

Austin (AUS)to

Harlingen/South Padre Island (HRL)
Depart: 09/01/2026

One-way

Basic

From
$76
Seen: 10 hrs ago

Austin (AUS)to

Harlingen/South Padre Island (HRL)
Depart: 10/13/2026

One-way

Basic

From
$76
Seen: 8 hrs ago

Austin (AUS)to

Harlingen/South Padre Island (HRL)
Depart: 08/26/2026

One-way

Basic

From
$76
Seen: 4 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Austin to Harlingen/South Padre Island

Aug 2026
From$76*
Seen: 4 hrs ago
One Way/Basic
Sep 2026
From$59*
Seen: 14 hrs ago
One Way/Basic
Oct 2026
From$76*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $76
cmp-daily-histogram-bars-legend-max-price-aria-label $214
Displaying fares for August-2026
  • AUS–HRL, 08/01/2026: From $214
    01

    Sat

    AUG

  • AUS–HRL, 08/02/2026: From $190
    02

    Sun

  • AUS–HRL, 08/03/2026: From $190
    03

    Mon

  • AUS–HRL, 08/04/2026: From $190
    04

    Tue

  • AUS–HRL, 08/05/2026: From $190
    05

    Wed

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

    Thu

  • AUS–HRL, 08/07/2026: From $165
    07

    Fri

  • AUS–HRL, 08/08/2026: From $165
    08

    Sat

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

    Sun

  • AUS–HRL, 08/10/2026: From $165
    10

    Mon

  • AUS–HRL, 08/11/2026: From $165
    11

    Tue

  • AUS–HRL, 08/12/2026: From $165
    12

    Wed

  • AUS–HRL, 08/13/2026: From $165
    13

    Thu

  • AUS–HRL, 08/14/2026: From $115
    14

    Fri

  • AUS–HRL, 08/15/2026: From $115
    15

    Sat

  • AUS–HRL, 08/16/2026: From $115
    16

    Sun

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

    Mon

  • AUS–HRL, 08/18/2026: From $115
    18

    Tue

  • AUS–HRL, 08/19/2026: From $115
    19

    Wed

  • AUS–HRL, 08/20/2026: From $115
    20

    Thu

  • AUS–HRL: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

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

    Sat

  • AUS–HRL, 08/23/2026: From $95
    23

    Sun

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

    Mon

  • AUS–HRL, 08/25/2026: From $111
    25

    Tue

  • AUS–HRL, 08/26/2026: From $76
    26

    Wed

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

    Thu

  • AUS–HRL, 08/28/2026: From $95
    28

    Fri

  • AUS–HRL, 08/29/2026: From $76
    29

    Sat

  • AUS–HRL, 08/30/2026: From $85
    30

    Sun

  • AUS–HRL, 08/31/2026: From $76
    31

    Mon

    • Range$76-$214

    *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:
    Austin-Bergstrom International Airport
    Arriving at:
    Valley International Airport
    Average flight time:
    1 hour 9 minutes
    Distance:
    273 miles

    Route Information

    87† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight on Sunday

    † 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

    The average flight time from Austin to Harlingen/South Padre Island is 1 hour 9 minutes.
    There are 87 weekly flights from Austin to Harlingen/South Padre Island on Southwest Airlines.
    Yes, Southwest flies nonstop from Austin to Harlingen/South Padre Island 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Austin to Harlingen/South Padre Island once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Austin 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 Austin 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.

    Explore Flights from Other Popular Origins

    Popular Flights from Austin