Southwest® flights from Austin to San Diego from $135

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Low fares from Austin to San Diego

$

Austin (AUS)to

San Diego (SAN)
Depart: 12/08/2026

One-way

Basic

From
$135
Seen: 16 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 12/15/2026

One-way

Basic

From
$135
Seen: 13 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 12/09/2026

One-way

Basic

From
$135
Seen: 13 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 12/16/2026

One-way

Basic

From
$135
Seen: 13 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 02/10/2027

One-way

Basic

From
$135
Seen: 14 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 12/22/2026

One-way

Basic

From
$135
Seen: 12 hrs ago

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Explore flights from Austin to San Diego

Nov 2026
From$139*
Seen: 12 hrs ago
One Way/Basic
Dec 2026
From$135*
Seen: 16 hrs ago
One Way/Basic
Jan 2027
From$135*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $135
cmp-daily-histogram-bars-legend-max-price-aria-label $460
Displaying fares for November-2026
  • AUS–SAN, 11/11/2026: From $460
    11

    Wed

    NOV

  • AUS–SAN, 11/12/2026: From $460
    12

    Thu

  • AUS–SAN, 11/13/2026: From $460
    13

    Fri

  • AUS–SAN, 11/14/2026: From $460
    14

    Sat

  • AUS–SAN, 11/15/2026: From $460
    15

    Sun

  • AUS–SAN, 11/16/2026: From $460
    16

    Mon

  • AUS–SAN, 11/17/2026: From $325
    17

    Tue

  • AUS–SAN, 11/18/2026: From $325
    18

    Wed

  • AUS–SAN, 11/19/2026: From $325
    19

    Thu

  • AUS–SAN, 11/20/2026: From $325
    20

    Fri

  • AUS–SAN: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • AUS–SAN, 11/22/2026: From $325
    22

    Sun

  • AUS–SAN, 11/23/2026: From $325
    23

    Mon

  • AUS–SAN, 11/24/2026: From $325
    24

    Tue

  • AUS–SAN, 11/25/2026: From $139
    25

    Wed

  • AUS–SAN, 11/26/2026: From $139
    26

    Thu

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

    Fri

  • AUS–SAN, 11/28/2026: From $280
    28

    Sat

  • AUS–SAN, 11/29/2026: From $342
    29

    Sun

  • AUS–SAN, 11/30/2026: From $244
    30

    Mon

  • AUS–SAN, 12/01/2026: From $155
    01

    Tue

    DEC

  • AUS–SAN, 12/02/2026: From $135
    02

    Wed

  • AUS–SAN, 12/03/2026: From $139
    03

    Thu

  • AUS–SAN, 12/04/2026: From $170
    04

    Fri

  • AUS–SAN, 12/05/2026: From $135
    05

    Sat

  • AUS–SAN, 12/06/2026: From $194
    06

    Sun

  • AUS–SAN, 12/07/2026: From $139
    07

    Mon

  • AUS–SAN, 12/08/2026: From $135
    08

    Tue

  • AUS–SAN, 12/09/2026: From $135
    09

    Wed

  • AUS–SAN, 12/10/2026: From $139
    10

    Thu

    • Range$135-$460

    *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:
    Austin-Bergstrom International Airport
    Arriving at:
    San Diego International Airport
    Average flight time:
    3 hours
    Distance:
    1164 miles

    Questions we hear the most

    The average flight time from Austin to San Diego is 3 hours.
    There are 156 weekly flights from Austin to San Diego on Southwest Airlines.
    Yes, Southwest flies nonstop from Austin to San Diego 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Austin to San Diego 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly Austin 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 Austin 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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