American Airlines flights from Houston to San Diego

Recent searches for flights from Houston to San Diego

Aug 2026
From$685*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$237*
Updated: 15 hours ago
Round tripIEconomy
Oct 2026
From$237*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $237
cmp-daily-histogram-bars-legend-max-price-aria-label $835
Displaying fares for August-2026
  • IAH–SAN, 08/23/26 – 08/30/26: From $831
    23

    Su

    AUG

  • IAH–SAN, 08/24/26 – 08/31/26: From $835
    24

    Mo

  • IAH–SAN, 08/25/26 – 09/01/26: From $800
    25

    Tu

  • IAH–SAN, 08/26/26 – 09/02/26: From $729
    26

    We

  • IAH–SAN, 08/27/26 – 09/03/26: From $835
    27

    Th

  • IAH–SAN, 08/28/26 – 09/04/26: From $831
    28

    Fr

  • IAH–SAN, 08/29/26 – 09/05/26: From $729
    29

    Sa

  • IAH–SAN, 08/30/26 – 09/06/26: From $685
    30

    Su

  • IAH–SAN, 08/31/26 – 09/07/26: From $794
    31

    Mo

  • IAH–SAN, 09/01/26 – 09/08/26: From $685
    01

    Tu

    SEP

  • IAH–SAN, 09/02/26 – 09/09/26: From $664
    02

    We

  • IAH–SAN, 09/03/26 – 09/10/26: From $685
    03

    Th

  • IAH–SAN, 09/04/26 – 09/11/26: From $685
    04

    Fr

  • IAH–SAN, 09/05/26 – 09/12/26: From $648
    05

    Sa

  • IAH–SAN, 09/06/26 – 09/13/26: From $518
    06

    Su

  • IAH–SAN, 09/07/26 – 09/14/26: From $468
    07

    Mo

  • IAH–SAN, 09/08/26 – 09/15/26: From $418
    08

    Tu

  • IAH–SAN, 09/09/26 – 09/16/26: From $418
    09

    We

  • IAH–SAN, 09/10/26 – 09/17/26: From $428
    10

    Th

  • IAH–SAN, 09/11/26 – 09/18/26: From $498
    11

    Fr

  • IAH–SAN, 09/12/26 – 09/19/26: From $474
    12

    Sa

  • IAH–SAN, 09/13/26 – 09/20/26: From $500
    13

    Su

  • IAH–SAN, 09/14/26 – 09/21/26: From $386
    14

    Mo

  • IAH–SAN, 09/15/26 – 09/22/26: From $237
    15

    Tu

  • IAH–SAN, 09/16/26 – 09/23/26: From $237
    16

    We

  • IAH–SAN, 09/17/26 – 09/24/26: From $303
    17

    Th

  • IAH–SAN, 09/18/26 – 09/25/26: From $349
    18

    Fr

  • IAH–SAN, 09/19/26 – 09/26/26: From $237
    19

    Sa

  • IAH–SAN, 09/20/26 – 09/24/26: From $347
    20

    Su

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

    Mo

  • IAH–SAN, 09/22/26 – 09/29/26: From $237
    22

    Tu

    • range$237-$835

    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 Houston to San Diego flights

    $
    keyboard_arrow_down

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 5 hours ago

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 5 hours ago

    Houston (IAH)to

    San Diego (SAN)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 5 hours ago

    Houston (IAH)to

    San Diego (SAN)
    09/30/26 - 10/07/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 5 hours ago

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 5 hours ago

    Houston (IAH)to

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

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 5 hours ago

    Houston (IAH)to

    San Diego (SAN)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 5 hours ago

    Houston (IAH)to

    San Diego (SAN)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 5 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 Houston to San Diego

    Looking for lower fares on your trip from Houston 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 Houston to San Diego