American Airlines flights from Boise to San Diego

Recent searches for flights from Boise to San Diego

Aug 2026
From$312*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$177*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$177*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $217
cmp-daily-histogram-bars-legend-max-price-aria-label $662
Displaying fares for August-2026
  • BOI–SAN, 08/15/26 – 08/22/26: From $625
    15

    Sa

    AUG

  • BOI–SAN, 08/16/26 – 08/23/26: From $662
    16

    Su

  • BOI–SAN, 08/17/26 – 08/24/26: From $506
    17

    Mo

  • BOI–SAN, 08/18/26 – 08/25/26: From $351
    18

    Tu

  • BOI–SAN, 08/19/26 – 08/26/26: From $351
    19

    We

  • BOI–SAN, 08/20/26 – 08/27/26: From $351
    20

    Th

  • BOI–SAN, 08/21/26 – 08/28/26: From $351
    21

    Fr

  • BOI–SAN, 08/22/26 – 08/29/26: From $351
    22

    Sa

  • BOI–SAN, 08/23/26 – 08/30/26: From $469
    23

    Su

  • BOI–SAN, 08/24/26 – 08/31/26: From $351
    24

    Mo

  • BOI–SAN, 08/25/26 – 09/01/26: From $351
    25

    Tu

  • BOI–SAN, 08/26/26 – 09/02/26: From $351
    26

    We

  • BOI–SAN, 08/27/26 – 09/03/26: From $351
    27

    Th

  • BOI–SAN, 08/28/26 – 09/04/26: From $449
    28

    Fr

  • BOI–SAN, 08/29/26 – 09/05/26: From $312
    29

    Sa

  • BOI–SAN, 08/30/26 – 09/06/26: From $457
    30

    Su

  • BOI–SAN, 08/31/26 – 09/07/26: From $594
    31

    Mo

  • BOI–SAN, 09/01/26 – 09/08/26: From $304
    01

    Tu

    SEP

  • BOI–SAN, 09/02/26 – 09/09/26: From $304
    02

    We

  • BOI–SAN, 09/03/26 – 09/10/26: From $351
    03

    Th

  • BOI–SAN, 09/04/26 – 09/11/26: From $498
    04

    Fr

  • BOI–SAN, 09/05/26 – 09/12/26: From $217
    05

    Sa

  • BOI–SAN, 09/06/26 – 09/13/26: From $459
    06

    Su

  • BOI–SAN, 09/07/26 – 09/14/26: From $437
    07

    Mo

  • BOI–SAN, 09/08/26 – 09/15/26: From $322
    08

    Tu

  • BOI–SAN, 09/09/26 – 09/16/26: From $298
    09

    We

  • BOI–SAN, 09/10/26 – 09/17/26: From $363
    10

    Th

  • BOI–SAN: cmp-view-offers-disclaimer. Find Offers
    11

    Fr

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

    Sa

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

    Su

  • BOI–SAN, 09/14/26 – 09/21/26: From $387
    14

    Mo

    • range$217-$662

    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 Boise to San Diego flights

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    keyboard_arrow_down

    Boise (BOI)to

    San Diego (SAN)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $177Fare subject to changes
    Updated: 3 hours ago

    Boise (BOI)to

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

    Round trip

    Economy

    from
    $177Fare subject to changes
    Updated: 3 hours ago

    Boise (BOI)to

    San Diego (SAN)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $177Fare subject to changes
    Updated: 3 hours ago

    Boise (BOI)to

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

    Round trip

    Economy

    from
    $177Fare subject to changes
    Updated: 3 hours ago

    Boise (BOI)to

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

    Round trip

    Economy

    from
    $177Fare subject to changes
    Updated: 3 hours ago

    Boise (BOI)to

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

    Round trip

    Economy

    from
    $177Fare subject to changes
    Updated: 3 hours ago

    Boise (BOI)to

    San Diego (SAN)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $177Fare subject to changes
    Updated: 3 hours ago

    Boise (BOI)to

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

    Round trip

    Economy

    from
    $177Fare subject to changes
    Updated: 3 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 Boise to San Diego

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