Southwest® flights from Baltimore/Washington to Harlingen/South Padre Island from $124

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Low fares from Baltimore/Washington to Harlingen/South Padre Island

$

Baltimore/Washington (BWI)to

Harlingen/South Padre Island (HRL)
Depart: 11/14/2026

One-way

Basic

From
$124
Seen: 2 hrs ago

Baltimore/Washington (BWI)to

Harlingen/South Padre Island (HRL)
Depart: 01/06/2027

One-way

Basic

From
$124
Seen: 21 hrs ago

Baltimore/Washington (BWI)to

Harlingen/South Padre Island (HRL)
Depart: 12/02/2026

One-way

Basic

From
$124
Seen: 5 minutes ago

Baltimore/Washington (BWI)to

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

One-way

Basic

From
$124
Seen: 18 hrs ago

Baltimore/Washington (BWI)to

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

One-way

Basic

From
$124
Seen: 28 minutes ago

Baltimore/Washington (BWI)to

Harlingen/South Padre Island (HRL)
Depart: 01/06/2027

One-way

Choice

From
$173
Seen: 21 hrs ago

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Explore flights from Baltimore/Washington to Harlingen/South Padre Island

Oct 2026
From$242*
Seen: 10 hrs ago
One Way/Basic
Nov 2026
From$124*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$124*
Seen: 5 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $124
cmp-daily-histogram-bars-legend-max-price-aria-label $305
Displaying fares for October-2026
  • BWI–HRL, 10/22/2026: From $305
    22

    Thu

    OCT

  • BWI–HRL, 10/23/2026: From $305
    23

    Fri

  • BWI–HRL, 10/24/2026: From $242
    24

    Sat

  • BWI–HRL, 10/25/2026: From $305
    25

    Sun

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    26

    Mon

  • BWI–HRL, 10/27/2026: From $242
    27

    Tue

  • BWI–HRL, 10/28/2026: From $242
    28

    Wed

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

    Thu

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • BWI–HRL, 11/01/2026: From $270
    01

    Sun

    NOV

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

  • BWI–HRL, 11/03/2026: From $225
    03

    Tue

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    04

    Wed

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    05

    Thu

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    06

    Fri

  • BWI–HRL, 11/07/2026: From $225
    07

    Sat

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    09

    Mon

  • BWI–HRL, 11/10/2026: From $124
    10

    Tue

  • BWI–HRL, 11/11/2026: From $195
    11

    Wed

  • BWI–HRL, 11/12/2026: From $124
    12

    Thu

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    13

    Fri

  • BWI–HRL, 11/14/2026: From $124
    14

    Sat

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    15

    Sun

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

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    18

    Wed

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    19

    Thu

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    20

    Fri

  • BWI–HRL: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

    • Range$124-$305

    *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:
    Balt./Wash. International Airport
    Arriving at:
    Valley International Airport
    Distance:
    1507 miles

    Questions we hear the most

    There are 94 weekly flights from Baltimore/Washington to Harlingen/South Padre Island on Southwest Airlines.
    To find the lowest fares by day and time to fly Baltimore/Washington 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 Baltimore/Washington 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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