Southwest® flights from Louisville to Harlingen/South Padre Island from $146

Promo Code

Low fares from Louisville to Harlingen/South Padre Island

$

Louisville (SDF)to

Harlingen/South Padre Island (HRL)
Depart: 07/01/2026

One-way

Basic

From
$146
Seen: 13 hrs ago

Louisville (SDF)to

Harlingen/South Padre Island (HRL)
Depart: 07/01/2026

One-way

Choice

From
$191
Seen: 13 hrs ago

Louisville (SDF)to

Harlingen/South Padre Island (HRL)
Depart: 06/12/2026

One-way

Basic

From
$235
Seen: 11 hrs ago

Louisville (SDF)to

Harlingen/South Padre Island (HRL)
Depart: 07/02/2026

One-way

Basic

From
$245
Seen: 13 hrs ago

Louisville (SDF)to

Harlingen/South Padre Island (HRL)
Depart: 06/04/2026

One-way

Basic

From
$245
Seen: 11 hrs ago

Louisville (SDF)to

Harlingen/South Padre Island (HRL)
Depart: 06/05/2026

One-way

Basic

From
$245
Seen: 22 hrs ago

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Explore flights from Louisville to Harlingen/South Padre Island

Jun 2026
From$235*
Seen: 11 hrs ago
One Way/Basic
Jul 2026
From$146*
Seen: 13 hrs ago
One Way/Basic
Aug 2026
No result for this month.
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    • Range$146-$245

    *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:
    Louisville International Airport
    Arriving at:
    Valley International Airport
    Distance:
    1077 miles

    Route Information

    42† 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 42 weekly flights from Louisville to Harlingen/South Padre Island on Southwest Airlines.
    To find the lowest fares by day and time to fly Louisville 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 Louisville 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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