Southwest® flights from Harlingen/South Padre Island to Boston from $186

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Low fares from Harlingen/South Padre Island to Boston

$

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 12/14/2026

One-way

Basic

From
$186
Seen: 20 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 11/22/2026

One-way

Basic

From
$220
Seen: 23 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 12/19/2026

One-way

Basic

From
$225
Seen: 16 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 12/14/2026

One-way

Choice

From
$236
Seen: 20 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 11/10/2026

One-way

Basic

From
$242
Seen: 3 hrs ago

Harlingen/South Padre Island (HRL)to

Boston (BOS)
Depart: 11/07/2026

One-way

Basic

From
$247
Seen: 20 minutes ago

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Explore flights from Harlingen/South Padre Island to Boston

Nov 2026
From$220*
Seen: 23 hrs ago
One Way/Basic
Dec 2026
From$186*
Seen: 20 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $220
cmp-daily-histogram-bars-legend-max-price-aria-label $945
Displaying fares for November-2026
  • HRL–BOS, 11/03/2026: From $260
    03

    Tue

    NOV

  • HRL–BOS, 11/04/2026: From $265
    04

    Wed

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

    Thu

  • HRL–BOS, 11/06/2026: From $318
    06

    Fri

  • HRL–BOS, 11/07/2026: From $247
    07

    Sat

  • HRL–BOS, 11/08/2026: From $318
    08

    Sun

  • HRL–BOS, 11/09/2026: From $270
    09

    Mon

  • HRL–BOS, 11/10/2026: From $242
    10

    Tue

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    11

    Wed

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    12

    Thu

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    13

    Fri

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    14

    Sat

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    15

    Sun

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    16

    Mon

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    17

    Tue

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    18

    Wed

  • HRL–BOS, 11/19/2026: From $255
    19

    Thu

  • HRL–BOS, 11/20/2026: From $255
    20

    Fri

  • HRL–BOS, 11/21/2026: From $285
    21

    Sat

  • HRL–BOS, 11/22/2026: From $220
    22

    Sun

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

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    24

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    25

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    26

    Thu

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    27

    Fri

  • HRL–BOS, 11/28/2026: From $945
    28

    Sat

  • HRL–BOS, 11/29/2026: From $945
    29

    Sun

  • HRL–BOS, 11/30/2026: From $474
    30

    Mon

  • HRL–BOS: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    DEC

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

    Wed

    • Range$220-$945

    *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

    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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