Southwest® flights from San Antonio to San Diego from $141

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Low fares from San Antonio to San Diego

$

San Antonio (SAT)to

San Diego (SAN)
Depart: 12/24/2026

One-way

Basic

From
$141
Seen: 15 minutes ago

San Antonio (SAT)to

San Diego (SAN)
Depart: 12/12/2026

One-way

Basic

From
$144
Seen: 5 hrs ago

San Antonio (SAT)to

San Diego (SAN)
Depart: 11/25/2026

One-way

Basic

From
$144
Seen: 21 minutes ago

San Antonio (SAT)to

San Diego (SAN)
Depart: 11/21/2026

One-way

Basic

From
$144
Seen: 2 hrs ago

San Antonio (SAT)to

San Diego (SAN)
Depart: 01/04/2027

One-way

Basic

From
$144
Seen: 2 hrs ago

San Antonio (SAT)to

San Diego (SAN)
Depart: 11/09/2026

One-way

Basic

From
$174
Seen: 5 hrs ago

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Explore flights from San Antonio to San Diego

Oct 2026
From$480*
Seen: 4 hrs ago
One Way/Basic
Nov 2026
From$144*
Seen: 21 minutes ago
One Way/Basic
Dec 2026
From$141*
Seen: 15 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $174
cmp-daily-histogram-bars-legend-max-price-aria-label $594
Displaying fares for October-2026
  • SAT–SAN, 10/19/2026: From $594
    19

    Mon

    OCT

  • SAT–SAN, 10/20/2026: From $594
    20

    Tue

  • SAT–SAN, 10/21/2026: From $594
    21

    Wed

  • SAT–SAN, 10/22/2026: From $594
    22

    Thu

  • SAT–SAN, 10/23/2026: From $594
    23

    Fri

  • SAT–SAN, 10/24/2026: From $594
    24

    Sat

  • SAT–SAN: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • SAT–SAN, 10/26/2026: From $480
    26

    Mon

  • SAT–SAN, 10/27/2026: From $480
    27

    Tue

  • SAT–SAN, 10/28/2026: From $480
    28

    Wed

  • SAT–SAN, 10/29/2026: From $480
    29

    Thu

  • SAT–SAN, 10/30/2026: From $480
    30

    Fri

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

    Sat

  • SAT–SAN, 11/01/2026: From $326
    01

    Sun

    NOV

  • SAT–SAN, 11/02/2026: From $326
    02

    Mon

  • SAT–SAN, 11/03/2026: From $326
    03

    Tue

  • SAT–SAN, 11/04/2026: From $326
    04

    Wed

  • SAT–SAN, 11/05/2026: From $326
    05

    Thu

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

    Fri

  • SAT–SAN, 11/07/2026: From $326
    07

    Sat

  • SAT–SAN, 11/08/2026: From $280
    08

    Sun

  • SAT–SAN, 11/09/2026: From $174
    09

    Mon

  • SAT–SAN, 11/10/2026: From $280
    10

    Tue

  • SAT–SAN: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

  • SAT–SAN, 11/12/2026: From $280
    12

    Thu

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

    Fri

  • SAT–SAN, 11/14/2026: From $280
    14

    Sat

  • SAT–SAN, 11/15/2026: From $280
    15

    Sun

  • SAT–SAN, 11/16/2026: From $280
    16

    Mon

  • SAT–SAN, 11/17/2026: From $224
    17

    Tue

  • SAT–SAN, 11/18/2026: From $224
    18

    Wed

    • Range$174-$594

    *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:
    San Diego International Airport
    Average flight time:
    2 hours 55 minutes
    Distance:
    1129 miles

    Questions we hear the most

    The average flight time from San Antonio to San Diego is 2 hours 55 minutes.
    There are 156 weekly flights from San Antonio to San Diego on Southwest Airlines.
    Yes, Southwest flies nonstop from San Antonio to San Diego 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Antonio to San Diego once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly San Antonio to San Diego with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Diego International Airport book yours with your flight.
    Yes! Flights from San Antonio to San Diego—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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