Southwest® flights from San Antonio to Jacksonville from $170

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Low fares from San Antonio to Jacksonville

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San Antonio (SAT)to

Jacksonville (JAX)
Depart: 10/13/2026

One-way

Basic

From
$170
Seen: 20 hrs ago

San Antonio (SAT)to

Jacksonville (JAX)
Depart: 10/14/2026

One-way

Basic

From
$170
Seen: 20 hrs ago

San Antonio (SAT)to

Jacksonville (JAX)
Depart: 11/02/2026

One-way

Basic

From
$170
Seen: 20 hrs ago

San Antonio (SAT)to

Jacksonville (JAX)
Depart: 11/18/2026

One-way

Basic

From
$170
Seen: 19 hrs ago

San Antonio (SAT)to

Jacksonville (JAX)
Depart: 10/07/2026

One-way

Basic

From
$170
Seen: 23 hrs ago

San Antonio (SAT)to

Jacksonville (JAX)
Depart: 09/22/2026

One-way

Basic

From
$170
Seen: 9 hrs ago

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Explore flights from San Antonio to Jacksonville

Aug 2026
From$274*
Seen: 14 hrs ago
One Way/Basic
Sep 2026
From$170*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$170*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $170
cmp-daily-histogram-bars-legend-max-price-aria-label $389
Displaying fares for August-2026
  • SAT–JAX, 08/21/2026: From $357
    21

    Fri

    AUG

  • SAT–JAX, 08/22/2026: From $274
    22

    Sat

  • SAT–JAX: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

  • SAT–JAX, 08/24/2026: From $357
    24

    Mon

  • SAT–JAX, 08/25/2026: From $274
    25

    Tue

  • SAT–JAX, 08/26/2026: From $274
    26

    Wed

  • SAT–JAX, 08/27/2026: From $357
    27

    Thu

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

    Fri

  • SAT–JAX, 08/29/2026: From $274
    29

    Sat

  • SAT–JAX, 08/30/2026: From $389
    30

    Sun

  • SAT–JAX, 08/31/2026: From $357
    31

    Mon

  • SAT–JAX: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

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    02

    Wed

  • SAT–JAX, 09/03/2026: From $312
    03

    Thu

  • SAT–JAX, 09/04/2026: From $347
    04

    Fri

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    05

    Sat

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    06

    Sun

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    07

    Mon

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    08

    Tue

  • SAT–JAX, 09/09/2026: From $181
    09

    Wed

  • SAT–JAX, 09/10/2026: From $170
    10

    Thu

  • SAT–JAX, 09/11/2026: From $186
    11

    Fri

  • SAT–JAX: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • SAT–JAX: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • SAT–JAX, 09/14/2026: From $170
    14

    Mon

  • SAT–JAX: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • SAT–JAX, 09/16/2026: From $170
    16

    Wed

  • SAT–JAX: cmp-view-offers-disclaimer. Find Offers
    17

    Thu

  • SAT–JAX, 09/18/2026: From $289
    18

    Fri

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    19

    Sat

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    20

    Sun

    • Range$170-$389

    *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:
    San Antonio International Airport
    Arriving at:
    Jacksonville International Airport
    Distance:
    1007 miles

    Route Information

    117† 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 117 weekly flights from San Antonio to Jacksonville on Southwest Airlines.
    To find the lowest fares by day and time to fly San Antonio 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 San Antonio 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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