American Airlines flights from Austin to San Diego

Recent searches for flights from Austin to San Diego

Aug 2026
From$288*
Updated: 35 minutes ago
Round tripIEconomy
Sep 2026
From$197*
Updated: 35 minutes ago
Round tripIEconomy
Oct 2026
From$197*
Updated: 35 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $198
cmp-daily-histogram-bars-legend-max-price-aria-label $539
Displaying fares for August-2026
  • AUS–SAN: cmp-view-offers-disclaimer. Find Offers
    12

    We

    AUG

  • AUS–SAN, 08/13/26 – 08/20/26: From $397
    13

    Th

  • AUS–SAN, 08/14/26 – 08/21/26: From $397
    14

    Fr

  • AUS–SAN, 08/15/26 – 08/22/26: From $397
    15

    Sa

  • AUS–SAN, 08/16/26 – 08/23/26: From $397
    16

    Su

  • AUS–SAN, 08/17/26 – 08/24/26: From $397
    17

    Mo

  • AUS–SAN, 08/18/26 – 08/25/26: From $397
    18

    Tu

  • AUS–SAN, 08/19/26 – 08/26/26: From $397
    19

    We

  • AUS–SAN, 08/20/26 – 08/27/26: From $397
    20

    Th

  • AUS–SAN, 08/21/26 – 08/28/26: From $397
    21

    Fr

  • AUS–SAN, 08/22/26 – 08/29/26: From $397
    22

    Sa

  • AUS–SAN, 08/23/26 – 08/30/26: From $397
    23

    Su

  • AUS–SAN, 08/24/26 – 08/31/26: From $366
    24

    Mo

  • AUS–SAN, 08/25/26 – 09/01/26: From $366
    25

    Tu

  • AUS–SAN, 08/26/26 – 09/02/26: From $288
    26

    We

  • AUS–SAN, 08/27/26 – 09/03/26: From $344
    27

    Th

  • AUS–SAN, 08/28/26 – 09/04/26: From $328
    28

    Fr

  • AUS–SAN, 08/29/26 – 09/05/26: From $288
    29

    Sa

  • AUS–SAN, 08/30/26 – 09/06/26: From $351
    30

    Su

  • AUS–SAN, 08/31/26 – 09/07/26: From $539
    31

    Mo

  • AUS–SAN, 09/01/26 – 09/08/26: From $321
    01

    Tu

    SEP

  • AUS–SAN, 09/02/26 – 09/09/26: From $199
    02

    We

  • AUS–SAN, 09/03/26 – 09/10/26: From $255
    03

    Th

  • AUS–SAN, 09/04/26 – 09/11/26: From $351
    04

    Fr

  • AUS–SAN, 09/05/26 – 09/12/26: From $198
    05

    Sa

  • AUS–SAN, 09/06/26 – 09/13/26: From $302
    06

    Su

  • AUS–SAN, 09/07/26 – 09/14/26: From $225
    07

    Mo

  • AUS–SAN, 09/08/26 – 09/15/26: From $198
    08

    Tu

  • AUS–SAN: cmp-view-offers-disclaimer. Find Offers
    09

    We

  • AUS–SAN: cmp-view-offers-disclaimer. Find Offers
    10

    Th

  • AUS–SAN, 09/11/26 – 09/16/26: From $207
    11

    Fr

    • range$198-$539

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Austin to San Diego flights

    $
    keyboard_arrow_down

    Austin (AUS)to

    San Diego (SAN)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 35 minutes ago

    Austin (AUS)to

    San Diego (SAN)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 35 minutes ago

    Austin (AUS)to

    San Diego (SAN)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 35 minutes ago

    Austin (AUS)to

    San Diego (SAN)
    10/03/26 - 10/10/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 35 minutes ago

    Austin (AUS)to

    San Diego (SAN)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 35 minutes ago

    Austin (AUS)to

    San Diego (SAN)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 35 minutes ago

    Austin (AUS)to

    San Diego (SAN)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 35 minutes ago

    Austin (AUS)to

    San Diego (SAN)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $197Fare subject to changes
    Updated: 35 minutes ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from Austin to San Diego

    Looking for lower fares on your trip from Austin to San Diego? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Austin to San Diego