Southwest® flights from Austin to San Diego from $119

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Low fares from Austin to San Diego

$

Austin (AUS)to

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

One-way

Basic

From
$119
Seen: 16 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 12/10/2026

One-way

Basic

From
$119
Seen: 21 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 10/03/2026

One-way

Basic

From
$119
Seen: 19 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 10/19/2026

One-way

Basic

From
$119
Seen: 20 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 10/27/2026

One-way

Basic

From
$119
Seen: 11 hrs ago

Austin (AUS)to

San Diego (SAN)
Depart: 11/19/2026

One-way

Basic

From
$119
Seen: 1 hour ago

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Explore flights from Austin to San Diego

Sep 2026
From$119*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$119*
Seen: 9 hrs ago
One Way/Basic
Nov 2026
From$119*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $435
Displaying fares for September-2026
  • AUS–SAN, 09/09/2026: From $435
    09

    Wed

    SEP

  • AUS–SAN, 09/10/2026: From $435
    10

    Thu

  • AUS–SAN, 09/11/2026: From $435
    11

    Fri

  • AUS–SAN, 09/12/2026: From $435
    12

    Sat

  • AUS–SAN, 09/13/2026: From $435
    13

    Sun

  • AUS–SAN, 09/14/2026: From $435
    14

    Mon

  • AUS–SAN, 09/15/2026: From $300
    15

    Tue

  • AUS–SAN, 09/16/2026: From $300
    16

    Wed

  • AUS–SAN, 09/17/2026: From $300
    17

    Thu

  • AUS–SAN, 09/18/2026: From $300
    18

    Fri

  • AUS–SAN, 09/19/2026: From $300
    19

    Sat

  • AUS–SAN, 09/20/2026: From $300
    20

    Sun

  • AUS–SAN, 09/21/2026: From $300
    21

    Mon

  • AUS–SAN, 09/22/2026: From $189
    22

    Tue

  • AUS–SAN, 09/23/2026: From $189
    23

    Wed

  • AUS–SAN, 09/24/2026: From $189
    24

    Thu

  • AUS–SAN, 09/25/2026: From $189
    25

    Fri

  • AUS–SAN, 09/26/2026: From $189
    26

    Sat

  • AUS–SAN, 09/27/2026: From $189
    27

    Sun

  • AUS–SAN, 09/28/2026: From $189
    28

    Mon

  • AUS–SAN, 09/29/2026: From $119
    29

    Tue

  • AUS–SAN: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

  • AUS–SAN, 10/01/2026: From $169
    01

    Thu

    OCT

  • AUS–SAN: cmp-view-offers-disclaimer. Find Offers
    02

    Fri

  • AUS–SAN, 10/03/2026: From $119
    03

    Sat

  • AUS–SAN, 10/04/2026: From $169
    04

    Sun

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

    Mon

  • AUS–SAN, 10/06/2026: From $119
    06

    Tue

  • AUS–SAN, 10/07/2026: From $129
    07

    Wed

  • AUS–SAN, 10/08/2026: From $199
    08

    Thu

    • Range$119-$435

    *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

    Route Information

    156† Weekly flights
    • 4‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 3‡ 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 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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