Southwest® flights from San Diego to San Antonio from $209

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Low fares from San Diego to San Antonio

$

San Diego (SAN)to

San Antonio (SAT)
Depart: 11/04/2026

One-way

Basic

From
$209
Seen: 21 hrs ago

San Diego (SAN)to

San Antonio (SAT)
Depart: 11/03/2026

One-way

Basic

From
$209
Seen: 10 hrs ago

San Diego (SAN)to

San Antonio (SAT)
Depart: 12/15/2026

One-way

Basic

From
$209
Seen: 15 hrs ago

San Diego (SAN)to

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

One-way

Basic

From
$209
Seen: 23 hrs ago

San Diego (SAN)to

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

One-way

Basic

From
$209
Seen: 13 hrs ago

San Diego (SAN)to

San Antonio (SAT)
Depart: 12/01/2026

One-way

Basic

From
$209
Seen: 11 hrs ago

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Explore flights from San Diego to San Antonio

Sep 2026
From$316*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$210*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$209*
Seen: 18 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $210
cmp-daily-histogram-bars-legend-max-price-aria-label $462
Displaying fares for September-2026
  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

    SEP

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

    Sun

  • SAN–SAT, 09/14/2026: From $462
    14

    Mon

  • SAN–SAT, 09/15/2026: From $462
    15

    Tue

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

    Wed

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

    Thu

  • SAN–SAT, 09/18/2026: From $462
    18

    Fri

  • SAN–SAT, 09/19/2026: From $371
    19

    Sat

  • SAN–SAT, 09/20/2026: From $371
    20

    Sun

  • SAN–SAT, 09/21/2026: From $371
    21

    Mon

  • SAN–SAT, 09/22/2026: From $371
    22

    Tue

  • SAN–SAT, 09/23/2026: From $371
    23

    Wed

  • SAN–SAT, 09/24/2026: From $371
    24

    Thu

  • SAN–SAT, 09/25/2026: From $316
    25

    Fri

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    27

    Sun

  • SAN–SAT, 09/28/2026: From $316
    28

    Mon

  • SAN–SAT, 09/29/2026: From $316
    29

    Tue

  • SAN–SAT, 09/30/2026: From $316
    30

    Wed

  • SAN–SAT, 10/01/2026: From $311
    01

    Thu

    OCT

  • SAN–SAT, 10/02/2026: From $210
    02

    Fri

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • SAN–SAT, 10/05/2026: From $210
    05

    Mon

  • SAN–SAT, 10/06/2026: From $210
    06

    Tue

  • SAN–SAT: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

  • SAN–SAT, 10/08/2026: From $210
    08

    Thu

  • SAN–SAT, 10/09/2026: From $210
    09

    Fri

  • SAN–SAT, 10/10/2026: From $230
    10

    Sat

  • SAN–SAT, 10/11/2026: From $270
    11

    Sun

    • Range$210-$462

    *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

    Route Information

    154† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 2‡ Nonstop flights on Sunday

    † 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

    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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