Southwest® flights from Harlingen/South Padre Island to Louisville from $151

Promo Code

Low fares from Harlingen/South Padre Island to Louisville

$

Harlingen/South Padre Island (HRL)to

Louisville (SDF)
Depart: 08/13/2026

One-way

Basic

From
$151
Seen: 1 hour ago

Harlingen/South Padre Island (HRL)to

Louisville (SDF)
Depart: 08/11/2026

One-way

Basic

From
$165
Seen: 1 hour ago

Harlingen/South Padre Island (HRL)to

Louisville (SDF)
Depart: 08/13/2026

One-way

Choice

From
$196
Seen: 1 hour ago

Harlingen/South Padre Island (HRL)to

Louisville (SDF)
Depart: 08/11/2026

One-way

Choice

From
$210
Seen: 1 hour ago

Harlingen/South Padre Island (HRL)to

Louisville (SDF)
Depart: 08/06/2026

One-way

Basic

From
$220
Seen: 22 hrs ago

Harlingen/South Padre Island (HRL)to

Louisville (SDF)
Depart: 08/10/2026

One-way

Basic

From
$229
Seen: 1 hour ago

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Explore flights from Harlingen/South Padre Island to Louisville

Try alternate month or interact with individual days below in order to find offers.
Jul 2026
No result for this month.
Aug 2026
From$151*
Seen: 1 hour ago
One Way/Basic
Sep 2026
No result for this month.
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    • Range$151-$235

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

    Route Information

    47† 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 47 weekly flights from Harlingen/South Padre Island to Louisville on Southwest Airlines.
    To find the lowest fares by day and time to fly Harlingen/South Padre Island to Louisville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Louisville International Airport book yours with your flight.
    Yes! Flights from Harlingen/South Padre Island to Louisville—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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