Southwest® flights from Detroit to Harlingen/South Padre Island from $123

Promo Code

Low fares from Detroit to Harlingen/South Padre Island

$

Detroit (DTW)to

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

One-way

Basic

From
$123
Seen: 7 hrs ago

Detroit (DTW)to

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

One-way

Choice

From
$168
Seen: 7 hrs ago

Detroit (DTW)to

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

One-way

Choice Preferred

From
$245
Seen: 7 hrs ago

Detroit (DTW)to

Harlingen/South Padre Island (HRL)
Depart: 12/29/2026

One-way

Basic

From
$273
Seen: 23 hrs ago

Detroit (DTW)to

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

One-way

Choice Extra

From
$305
Seen: 7 hrs ago

Detroit (DTW)to

Harlingen/South Padre Island (HRL)
Depart: 12/29/2026

One-way

Choice

From
$318
Seen: 23 hrs ago

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Oct 2026
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Nov 2026
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Dec 2026
From$123*
Seen: 7 hrs ago
One Way/Basic
Displaying fares for October-2026
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    • *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:
    Wayne County Airport
    Arriving at:
    Valley International Airport
    Distance:
    1369 miles

    Questions we hear the most

    There are 30 weekly flights from Detroit to Harlingen/South Padre Island on Southwest Airlines.
    To find the lowest fares by day and time to fly Detroit 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 Detroit 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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