Southwest® flights from San Diego to Austin from $119

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Low fares from San Diego to Austin

$

San Diego (SAN)to

Austin (AUS)
Depart: 09/22/2026

One-way

Basic

From
$119
Seen: 19 hrs ago

San Diego (SAN)to

Austin (AUS)
Depart: 12/03/2026

One-way

Basic

From
$119
Seen: 17 hrs ago

San Diego (SAN)to

Austin (AUS)
Depart: 10/26/2026

One-way

Basic

From
$119
Seen: 16 hrs ago

San Diego (SAN)to

Austin (AUS)
Depart: 11/11/2026

One-way

Basic

From
$119
Seen: 11 hrs ago

San Diego (SAN)to

Austin (AUS)
Depart: 10/24/2026

One-way

Basic

From
$119
Seen: 9 hrs ago

San Diego (SAN)to

Austin (AUS)
Depart: 12/05/2026

One-way

Basic

From
$119
Seen: 5 hrs ago

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Explore flights from San Diego to Austin

Sep 2026
From$119*
Seen: 4 hrs ago
One Way/Basic
Oct 2026
From$119*
Seen: 20 hrs ago
One Way/Basic
Nov 2026
From$119*
Seen: 22 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
  • SAN–AUS, 09/01/2026: From $435
    01

    Tue

    SEP

  • SAN–AUS, 09/02/2026: From $435
    02

    Wed

  • SAN–AUS, 09/03/2026: From $435
    03

    Thu

  • SAN–AUS, 09/04/2026: From $435
    04

    Fri

  • SAN–AUS, 09/05/2026: From $435
    05

    Sat

  • SAN–AUS, 09/06/2026: From $435
    06

    Sun

  • SAN–AUS, 09/07/2026: From $435
    07

    Mon

  • SAN–AUS, 09/08/2026: From $300
    08

    Tue

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

    Wed

  • SAN–AUS, 09/10/2026: From $300
    10

    Thu

  • SAN–AUS, 09/11/2026: From $300
    11

    Fri

  • SAN–AUS: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • SAN–AUS, 09/13/2026: From $300
    13

    Sun

  • SAN–AUS, 09/14/2026: From $189
    14

    Mon

  • SAN–AUS, 09/15/2026: From $189
    15

    Tue

  • SAN–AUS, 09/16/2026: From $189
    16

    Wed

  • SAN–AUS, 09/17/2026: From $189
    17

    Thu

  • SAN–AUS, 09/18/2026: From $189
    18

    Fri

  • SAN–AUS, 09/19/2026: From $189
    19

    Sat

  • SAN–AUS, 09/20/2026: From $247
    20

    Sun

  • SAN–AUS, 09/21/2026: From $119
    21

    Mon

  • SAN–AUS, 09/22/2026: From $119
    22

    Tue

  • SAN–AUS, 09/23/2026: From $119
    23

    Wed

  • SAN–AUS, 09/24/2026: From $119
    24

    Thu

  • SAN–AUS, 09/25/2026: From $129
    25

    Fri

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

    Sat

  • SAN–AUS, 09/27/2026: From $169
    27

    Sun

  • SAN–AUS, 09/28/2026: From $119
    28

    Mon

  • SAN–AUS: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • SAN–AUS, 09/30/2026: From $119
    30

    Wed

    • 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:
    San Diego International Airport
    Arriving at:
    Austin-Bergstrom International Airport
    Average flight time:
    2 hours 53 minutes
    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 San Diego to Austin is 2 hours 53 minutes.
    There are 156 weekly flights from San Diego to Austin on Southwest Airlines.
    Yes, Southwest flies nonstop from San Diego to Austin 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Diego to Austin 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly San Diego to Austin with Southwest, check out our Low Fare Calendar.
    You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
    Yes! Flights from San Diego to Austin—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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