Southwest® flights from Harlingen/South Padre Island to Boston from $163

Promo Code

Low fares from Harlingen/South Padre Island to Boston

$

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 12/05/2026

One-way

Basic

From
$163
Seen: 12 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 10/24/2026

One-way

Basic

From
$181
Seen: 7 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 12/01/2026

One-way

Basic

From
$190
Seen: 5 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 11/19/2026

One-way

Basic

From
$195
Seen: 3 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 11/10/2026

One-way

Basic

From
$195
Seen: 3 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 12/04/2026

One-way

Basic

From
$195
Seen: 12 hrs ago

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Explore flights from Harlingen/South Padre Island to Boston

Sep 2026
From$237*
Seen: 2 hrs ago
One Way/Basic
Oct 2026
From$181*
Seen: 7 hrs ago
One Way/Basic
Nov 2026
From$195*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $215
cmp-daily-histogram-bars-legend-max-price-aria-label $515
Displaying fares for September-2026
  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    24

    Thu

    SEP

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

    Fri

  • HRL–BOS, 09/26/2026: From $258
    26

    Sat

  • HRL–BOS, 09/27/2026: From $308
    27

    Sun

  • HRL–BOS, 09/28/2026: From $308
    28

    Mon

  • HRL–BOS, 09/29/2026: From $237
    29

    Tue

  • HRL–BOS, 09/30/2026: From $237
    30

    Wed

  • HRL–BOS, 10/01/2026: From $325
    01

    Thu

    OCT

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

    Fri

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

    Sat

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

  • HRL–BOS, 10/08/2026: From $515
    08

    Thu

  • HRL–BOS, 10/09/2026: From $515
    09

    Fri

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

    Sat

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

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

    Mon

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    13

    Tue

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

    Wed

  • HRL–BOS, 10/15/2026: From $272
    15

    Thu

  • HRL–BOS, 10/16/2026: From $255
    16

    Fri

  • HRL–BOS, 10/17/2026: From $215
    17

    Sat

  • HRL–BOS, 10/18/2026: From $374
    18

    Sun

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    19

    Mon

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

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

    Wed

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

    Thu

  • HRL–BOS, 10/23/2026: From $254
    23

    Fri

    • Range$215-$515

    *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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