Southwest® flights from Jacksonville to Boston from $129

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Low fares from Jacksonville to Boston

$

Jacksonville (JAX)to

Boston (BOS)
Depart: 09/02/2026

One-way

Basic

From
$129
Seen: 9 hrs ago

Jacksonville (JAX)to

Boston (BOS)
Depart: 08/25/2026

One-way

Basic

From
$135
Seen: 23 hrs ago

Jacksonville (JAX)to

Boston (BOS)
Depart: 09/05/2026

One-way

Basic

From
$139
Seen: 21 hrs ago

Jacksonville (JAX)to

Boston (BOS)
Depart: 09/23/2026

One-way

Basic

From
$139
Seen: 9 hrs ago

Jacksonville (JAX)to

Boston (BOS)
Depart: 10/17/2026

One-way

Basic

From
$139
Seen: 2 hrs ago

Jacksonville (JAX)to

Boston (BOS)
Depart: 10/21/2026

One-way

Basic

From
$139
Seen: 3 hrs ago

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Explore flights from Jacksonville to Boston

Jul 2026
From$349*
Seen: 16 hrs ago
One Way/Basic
Aug 2026
From$135*
Seen: 23 hrs ago
One Way/Basic
Sep 2026
From$129*
Seen: 9 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $135
Displaying fares for July-2026
  • JAX–BOS, 07/31/2026: From $349
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    JUL

  • JAX–BOS, 08/01/2026: From $349
    01

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    07

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  • JAX–BOS, 08/09/2026: From $269
    09

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    10

    Mon

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    11

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  • JAX–BOS, 08/12/2026: From $269
    12

    Wed

  • JAX–BOS, 08/13/2026: From $184
    13

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    14

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    16

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    17

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    18

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    19

    Wed

  • JAX–BOS, 08/20/2026: From $184
    20

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    21

    Fri

  • JAX–BOS, 08/22/2026: From $139
    22

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    23

    Sun

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    24

    Mon

  • JAX–BOS, 08/25/2026: From $135
    25

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    26

    Wed

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    27

    Thu

  • JAX–BOS, 08/28/2026: From $139
    28

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    29

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    30

    Sun

    • Range$135-$349

    *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:
    Jacksonville International Airport
    Arriving at:
    Logan International Airport
    Distance:
    1010 miles

    Route Information

    107† 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 107 weekly flights from Jacksonville to Boston on Southwest Airlines.
    To find the lowest fares by day and time to fly Jacksonville 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 Jacksonville 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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