Southwest® flights from San Diego to San Antonio from $122

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Low fares from San Diego to San Antonio

$

San Diego (SAN)to

San Antonio (SAT)
Depart: 12/03/2026

One-way

Basic

From
$122
Seen: 7 hrs ago

San Diego (SAN)to

San Antonio (SAT)
Depart: 12/16/2026

One-way

Basic

From
$122
Seen: 40 minutes ago

San Diego (SAN)to

San Antonio (SAT)
Depart: 12/17/2026

One-way

Basic

From
$122
Seen: 1 hour ago

San Diego (SAN)to

San Antonio (SAT)
Depart: 11/21/2026

One-way

Basic

From
$122
Seen: 6 hrs ago

San Diego (SAN)to

San Antonio (SAT)
Depart: 12/07/2026

One-way

Basic

From
$122
Seen: 2 hrs ago

San Diego (SAN)to

San Antonio (SAT)
Depart: 12/18/2026

One-way

Basic

From
$129
Seen: 1 hour ago

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Explore flights from San Diego to San Antonio

Oct 2026
From$239*
Seen: 5 hrs ago
One Way/Basic
Nov 2026
From$122*
Seen: 6 hrs ago
One Way/Basic
Dec 2026
From$122*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $122
cmp-daily-histogram-bars-legend-max-price-aria-label $480
Displaying fares for October-2026
  • SAN–SAT, 10/24/2026: From $319
    24

    Sat

    OCT

  • SAN–SAT, 10/25/2026: From $309
    25

    Sun

  • SAN–SAT, 10/26/2026: From $309
    26

    Mon

  • SAN–SAT, 10/27/2026: From $309
    27

    Tue

  • SAN–SAT, 10/28/2026: From $309
    28

    Wed

  • SAN–SAT, 10/29/2026: From $309
    29

    Thu

  • SAN–SAT, 10/30/2026: From $239
    30

    Fri

  • SAN–SAT, 10/31/2026: From $480
    31

    Sat

  • SAN–SAT, 11/01/2026: From $239
    01

    Sun

    NOV

  • SAN–SAT, 11/02/2026: From $480
    02

    Mon

  • SAN–SAT, 11/03/2026: From $239
    03

    Tue

  • SAN–SAT, 11/04/2026: From $475
    04

    Wed

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    05

    Thu

  • SAN–SAT, 11/06/2026: From $326
    06

    Fri

  • SAN–SAT, 11/07/2026: From $179
    07

    Sat

  • SAN–SAT, 11/08/2026: From $326
    08

    Sun

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    09

    Mon

  • SAN–SAT, 11/10/2026: From $135
    10

    Tue

  • SAN–SAT, 11/11/2026: From $135
    11

    Wed

  • SAN–SAT, 11/12/2026: From $135
    12

    Thu

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

    Fri

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • SAN–SAT, 11/15/2026: From $259
    15

    Sun

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • SAN–SAT, 11/17/2026: From $135
    17

    Tue

  • SAN–SAT, 11/18/2026: From $135
    18

    Wed

  • SAN–SAT, 11/19/2026: From $189
    19

    Thu

  • SAN–SAT, 11/20/2026: From $227
    20

    Fri

  • SAN–SAT, 11/21/2026: From $122
    21

    Sat

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

  • SAN–SAT, 11/23/2026: From $144
    23

    Mon

    • Range$122-$480

    *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 Diego International Airport
    Arriving at:
    San Antonio International Airport
    Average flight time:
    2 hours 48 minutes
    Distance:
    1129 miles

    Questions we hear the most

    The average flight time from San Diego to San Antonio is 2 hours 48 minutes.
    There are 154 weekly flights from San Diego to San Antonio on Southwest Airlines.
    Yes, Southwest flies nonstop from San Diego to San Antonio 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Diego to San Antonio once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly San Diego to San Antonio with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Antonio International Airport book yours with your flight.
    Yes! Flights from San Diego to San Antonio—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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