Southwest® flights from Milwaukee to Harlingen/South Padre Island from $158

Promo Code

Low fares from Milwaukee to Harlingen/South Padre Island

$

Milwaukee (MKE)to

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

One-way

Basic

From
$158
Seen: 2 minutes ago

Milwaukee (MKE)to

Harlingen/South Padre Island (HRL)
Depart: 08/11/2026

One-way

Basic

From
$199
Seen: 16 hrs ago

Milwaukee (MKE)to

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

One-way

Choice

From
$203
Seen: 2 minutes ago

Milwaukee (MKE)to

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

One-way

Basic

From
$231
Seen: 22 hrs ago

Milwaukee (MKE)to

Harlingen/South Padre Island (HRL)
Depart: 08/11/2026

One-way

Choice

From
$244
Seen: 16 hrs ago

Milwaukee (MKE)to

Harlingen/South Padre Island (HRL)
Depart: 08/03/2026

One-way

Basic

From
$274
Seen: 12 hrs ago

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Explore flights from Milwaukee to Harlingen/South Padre Island

Aug 2026
From$199*
Seen: 16 hrs ago
One Way/Basic
Sep 2026
From$158*
Seen: 2 minutes ago
One Way/Basic
Oct 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $199
Displaying fares for August-2026
  • MKE–HRL, 08/01/2026: From $274
    01

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    AUG

  • MKE–HRL, 08/02/2026: From $355
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  • MKE–HRL, 08/03/2026: From $274
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  • MKE–HRL, 08/08/2026: From $231
    08

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  • MKE–HRL, 08/11/2026: From $199
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    Mon

    • Range$199-$355

    *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:
    General Mitchell Airport
    Arriving at:
    Valley International Airport
    Distance:
    1278 miles

    Route Information

    43† 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 43 weekly flights from Milwaukee to Harlingen/South Padre Island on Southwest Airlines.
    To find the lowest fares by day and time to fly Milwaukee 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 Milwaukee 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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