Southwest® flights from Harlingen/South Padre Island to Boston from $179

Promo Code

Low fares from Harlingen/South Padre Island to Boston

$

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 10/29/2026

One-way

Basic

From
$179
Seen: 11 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 10/14/2026

One-way

Basic

From
$179
Seen: 14 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 10/30/2026

One-way

Basic

From
$179
Seen: 5 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 11/25/2026

One-way

Basic

From
$200
Seen: 18 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 12/04/2026

One-way

Basic

From
$200
Seen: 5 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 11/23/2026

One-way

Basic

From
$205
Seen: 4 hrs ago

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Explore flights from Harlingen/South Padre Island to Boston

Sep 2026
From$245*
Seen: 3 hrs ago
One Way/Basic
Oct 2026
From$179*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$200*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $245
Displaying fares for September-2026
  • HRL–BOS, 09/03/2026: From $299
    03

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  • HRL–BOS, 09/04/2026: From $298
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  • HRL–BOS, 09/24/2026: From $466
    24

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  • HRL–BOS, 09/25/2026: From $364
    25

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  • HRL–BOS, 09/30/2026: From $245
    30

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    OCT

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    • Range$245-$466

    *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:
    Logan International Airport
    Distance:
    1874 miles

    Route Information

    42† 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 42 weekly flights from Harlingen/South Padre Island to Boston on Southwest Airlines.
    To find the lowest fares by day and time to fly Harlingen/South Padre Island to Boston with Southwest, check out our Low Fare Calendar.
    You can rent a car at Logan International Airport book yours with your flight.
    Yes! Flights from Harlingen/South Padre Island to Boston—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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