Southwest® flights from Harlingen/South Padre Island to Baltimore/Washington from $176

Promo Code

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

$

Harlingen/South Padre Island (HRL)to

Baltimore/Washington (BWI)
Depart: 11/25/2026

One-way

Basic

From
$176
Seen: 22 hrs ago

Harlingen/South Padre Island (HRL)to

Baltimore/Washington (BWI)
Depart: 11/24/2026

One-way

Basic

From
$176
Seen: 4 hrs ago

Harlingen/South Padre Island (HRL)to

Baltimore/Washington (BWI)
Depart: 10/14/2026

One-way

Basic

From
$176
Seen: 19 hrs ago

Harlingen/South Padre Island (HRL)to

Baltimore/Washington (BWI)
Depart: 10/06/2026

One-way

Basic

From
$180
Seen: 6 hrs ago

Harlingen/South Padre Island (HRL)to

Baltimore/Washington (BWI)
Depart: 10/07/2026

One-way

Basic

From
$185
Seen: 3 hrs ago

Harlingen/South Padre Island (HRL)to

Baltimore/Washington (BWI)
Depart: 10/22/2026

One-way

Basic

From
$190
Seen: 1 hour ago

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

Sep 2026
From$222*
Seen: 8 hrs ago
One Way/Basic
Oct 2026
From$176*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$176*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $180
Displaying fares for September-2026
  • HRL–BWI: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

    SEP

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    12

    Sat

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    13

    Sun

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    14

    Mon

  • HRL–BWI, 09/15/2026: From $222
    15

    Tue

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    16

    Wed

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    17

    Thu

  • HRL–BWI, 09/18/2026: From $270
    18

    Fri

  • HRL–BWI, 09/19/2026: From $222
    19

    Sat

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    20

    Sun

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    21

    Mon

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    22

    Tue

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    23

    Wed

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    24

    Thu

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    25

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    26

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    27

    Sun

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    28

    Mon

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    29

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    30

    Wed

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    01

    Thu

    OCT

  • HRL–BWI, 10/02/2026: From $195
    02

    Fri

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    03

    Sat

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    04

    Sun

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    05

    Mon

  • HRL–BWI, 10/06/2026: From $180
    06

    Tue

  • HRL–BWI, 10/07/2026: From $185
    07

    Wed

  • HRL–BWI, 10/08/2026: From $230
    08

    Thu

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

    Fri

  • HRL–BWI: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

    • Range$180-$270

    *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:
    Balt./Wash. International Airport
    Distance:
    1507 miles

    Route Information

    104† 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 104 weekly flights from Harlingen/South Padre Island to Baltimore/Washington on Southwest Airlines.
    To find the lowest fares by day and time to fly Harlingen/South Padre Island to Baltimore/Washington with Southwest, check out our Low Fare Calendar.
    You can rent a car at Balt./Wash. International Airport book yours with your flight.
    Yes! Flights from Harlingen/South Padre Island to Baltimore/Washington—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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