Southwest® flights from Buffalo/Niagara Falls to Jacksonville from $124

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Low fares from Buffalo/Niagara Falls to Jacksonville

$

Buffalo/Niagara Falls (BUF)to

Jacksonville (JAX)
Depart: 10/27/2026

One-way

Basic

From
$124
Seen: 19 hrs ago

Buffalo/Niagara Falls (BUF)to

Jacksonville (JAX)
Depart: 12/13/2026

One-way

Basic

From
$149
Seen: 23 hrs ago

Buffalo/Niagara Falls (BUF)to

Jacksonville (JAX)
Depart: 10/29/2026

One-way

Basic

From
$149
Seen: 11 hrs ago

Buffalo/Niagara Falls (BUF)to

Jacksonville (JAX)
Depart: 10/21/2026

One-way

Basic

From
$149
Seen: 6 hrs ago

Buffalo/Niagara Falls (BUF)to

Jacksonville (JAX)
Depart: 11/11/2026

One-way

Basic

From
$149
Seen: 2 hrs ago

Buffalo/Niagara Falls (BUF)to

Jacksonville (JAX)
Depart: 12/02/2026

One-way

Basic

From
$149
Seen: 19 hrs ago

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Explore flights from Buffalo/Niagara Falls to Jacksonville

Oct 2026
From$124*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$149*
Seen: 21 hrs ago
One Way/Basic
Dec 2026
From$149*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $124
cmp-daily-histogram-bars-legend-max-price-aria-label $454
Displaying fares for October-2026
  • BUF–JAX, 10/01/2026: From $350
    01

    Thu

    OCT

  • BUF–JAX, 10/02/2026: From $350
    02

    Fri

  • BUF–JAX: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

  • BUF–JAX, 10/04/2026: From $350
    04

    Sun

  • BUF–JAX, 10/05/2026: From $454
    05

    Mon

  • BUF–JAX, 10/06/2026: From $285
    06

    Tue

  • BUF–JAX, 10/07/2026: From $285
    07

    Wed

  • BUF–JAX, 10/08/2026: From $306
    08

    Thu

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    09

    Fri

  • BUF–JAX: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • BUF–JAX, 10/11/2026: From $306
    11

    Sun

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    12

    Mon

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    13

    Tue

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    14

    Wed

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    15

    Thu

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    16

    Fri

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    17

    Sat

  • BUF–JAX, 10/18/2026: From $269
    18

    Sun

  • BUF–JAX, 10/19/2026: From $225
    19

    Mon

  • BUF–JAX, 10/20/2026: From $225
    20

    Tue

  • BUF–JAX, 10/21/2026: From $149
    21

    Wed

  • BUF–JAX, 10/22/2026: From $245
    22

    Thu

  • BUF–JAX, 10/23/2026: From $190
    23

    Fri

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    24

    Sat

  • BUF–JAX, 10/25/2026: From $188
    25

    Sun

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    26

    Mon

  • BUF–JAX, 10/27/2026: From $124
    27

    Tue

  • BUF–JAX: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

  • BUF–JAX, 10/29/2026: From $149
    29

    Thu

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    30

    Fri

  • BUF–JAX, 10/31/2026: From $149
    31

    Sat

    • Range$124-$454

    *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:
    Buffalo Niagara International Airport
    Arriving at:
    Jacksonville International Airport
    Distance:
    874 miles

    Route Information

    77† 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 77 weekly flights from Buffalo/Niagara Falls to Jacksonville on Southwest Airlines.
    To find the lowest fares by day and time to fly Buffalo/Niagara Falls to Jacksonville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Jacksonville International Airport book yours with your flight.
    Yes! Flights from Buffalo/Niagara Falls to Jacksonville—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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