Southwest® flights from Kansas City to Harlingen/South Padre Island from $124

Promo Code

Low fares from Kansas City to Harlingen/South Padre Island

$

Kansas City (MCI)to

Harlingen/South Padre Island (HRL)
Depart: 12/09/2026

One-way

Basic

From
$124
Seen: 22 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$124
Seen: 8 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$124
Seen: 5 hrs ago

Kansas City (MCI)to

Harlingen/South Padre Island (HRL)
Depart: 10/07/2026

One-way

Basic

From
$124
Seen: 20 hrs ago

Kansas City (MCI)to

Harlingen/South Padre Island (HRL)
Depart: 12/11/2026

One-way

Basic

From
$124
Seen: 8 hrs ago

Kansas City (MCI)to

Harlingen/South Padre Island (HRL)
Depart: 11/10/2026

One-way

Basic

From
$124
Seen: 8 hrs ago

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Explore flights from Kansas City to Harlingen/South Padre Island

Sep 2026
From$190*
Seen: 13 hrs ago
One Way/Basic
Oct 2026
From$124*
Seen: 20 hrs ago
One Way/Basic
Nov 2026
From$124*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $124
cmp-daily-histogram-bars-legend-max-price-aria-label $325
Displaying fares for September-2026
  • MCI–HRL, 09/10/2026: From $245
    10

    Thu

    SEP

  • MCI–HRL, 09/11/2026: From $245
    11

    Fri

  • MCI–HRL: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • MCI–HRL, 09/13/2026: From $255
    13

    Sun

  • MCI–HRL: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • MCI–HRL, 09/15/2026: From $325
    15

    Tue

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    16

    Wed

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    17

    Thu

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    18

    Fri

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    19

    Sat

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    20

    Sun

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    21

    Mon

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

    Tue

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    23

    Wed

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    24

    Thu

  • MCI–HRL: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

  • MCI–HRL, 09/26/2026: From $190
    26

    Sat

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

    Sun

  • MCI–HRL: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • MCI–HRL: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

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    30

    Wed

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    01

    Thu

    OCT

  • MCI–HRL, 10/02/2026: From $134
    02

    Fri

  • MCI–HRL: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

  • MCI–HRL, 10/04/2026: From $214
    04

    Sun

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    05

    Mon

  • MCI–HRL, 10/06/2026: From $124
    06

    Tue

  • MCI–HRL, 10/07/2026: From $124
    07

    Wed

  • MCI–HRL, 10/08/2026: From $172
    08

    Thu

  • MCI–HRL, 10/09/2026: From $219
    09

    Fri

    • Range$124-$325

    *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:
    Kansas City International Airport
    Arriving at:
    Valley International Airport
    Distance:
    917 miles

    Route Information

    85† 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 85 weekly flights from Kansas City to Harlingen/South Padre Island on Southwest Airlines.
    To find the lowest fares by day and time to fly Kansas City 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 Kansas City 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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