American Airlines flights from San Antonio to San Diego

Recent searches for flights from San Antonio to San Diego

Sep 2026
From$427*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$387*
Updated: 2 hours ago
Round tripIEconomy
Nov 2026
From$387*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $407
cmp-daily-histogram-bars-legend-max-price-aria-label $608
Displaying fares for September-2026
  • SAT–SAN, 09/14/26 – 09/19/26: From $512
    14

    Mo

    SEP

  • SAT–SAN, 09/15/26 – 09/22/26: From $427
    15

    Tu

  • SAT–SAN, 09/16/26 – 09/23/26: From $427
    16

    We

  • SAT–SAN, 09/17/26 – 09/24/26: From $503
    17

    Th

  • SAT–SAN, 09/18/26 – 09/25/26: From $577
    18

    Fr

  • SAT–SAN, 09/19/26 – 09/26/26: From $427
    19

    Sa

  • SAT–SAN, 09/20/26 – 09/27/26: From $503
    20

    Su

  • SAT–SAN, 09/21/26 – 09/28/26: From $577
    21

    Mo

  • SAT–SAN, 09/22/26 – 09/29/26: From $427
    22

    Tu

  • SAT–SAN, 09/23/26 – 09/30/26: From $427
    23

    We

  • SAT–SAN, 09/24/26 – 10/01/26: From $503
    24

    Th

  • SAT–SAN, 09/25/26 – 10/02/26: From $577
    25

    Fr

  • SAT–SAN, 09/26/26 – 10/03/26: From $427
    26

    Sa

  • SAT–SAN, 09/27/26 – 10/04/26: From $525
    27

    Su

  • SAT–SAN, 09/28/26 – 10/05/26: From $503
    28

    Mo

  • SAT–SAN, 09/29/26 – 10/06/26: From $427
    29

    Tu

  • SAT–SAN, 09/30/26 – 10/07/26: From $427
    30

    We

  • SAT–SAN, 10/01/26 – 10/08/26: From $545
    01

    Th

    OCT

  • SAT–SAN, 10/02/26 – 10/09/26: From $545
    02

    Fr

  • SAT–SAN, 10/03/26 – 10/10/26: From $427
    03

    Sa

  • SAT–SAN, 10/04/26 – 10/11/26: From $525
    04

    Su

  • SAT–SAN, 10/05/26 – 10/12/26: From $608
    05

    Mo

  • SAT–SAN, 10/06/26 – 10/13/26: From $427
    06

    Tu

  • SAT–SAN, 10/07/26 – 10/14/26: From $407
    07

    We

  • SAT–SAN, 10/08/26 – 10/15/26: From $587
    08

    Th

  • SAT–SAN, 10/09/26 – 10/16/26: From $459
    09

    Fr

  • SAT–SAN, 10/10/26 – 10/17/26: From $407
    10

    Sa

  • SAT–SAN, 10/11/26 – 10/18/26: From $608
    11

    Su

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

    Mo

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

    Tu

    • range$407-$608

    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 San Antonio to San Diego flights

    $
    keyboard_arrow_down

    San Antonio (SAT)to

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

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 21 hours ago

    San Antonio (SAT)to

    San Diego (SAN)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    San Diego (SAN)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    San Diego (SAN)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    San Diego (SAN)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    San Diego (SAN)
    11/14/26 - 11/21/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    San Diego (SAN)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    San Diego (SAN)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $387Fare subject to changes
    Updated: 2 hours 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 San Antonio to San Diego

    Looking for lower fares on your trip from San Antonio 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

    Citi / AAdvantage credit card offer.

    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 San Antonio to San Diego