American Airlines flights from Boise to San Jose, CR

Recent searches for flights from Boise to San Jose, CR

Aug 2026
From$525*
Updated: 7 hours ago
Round tripIEconomy
Sep 2026
From$525*
Updated: 7 hours ago
Round tripIEconomy
Oct 2026
From$499*
Updated: 18 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $525
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for August-2026
  • BOI–SJO, 08/15/26 – 08/22/26: From $1,051
    15

    Sa

    AUG

  • BOI–SJO, 08/16/26 – 08/23/26: From $1,115
    16

    Su

  • BOI–SJO, 08/17/26 – 08/24/26: From $895
    17

    Mo

  • BOI–SJO, 08/18/26 – 08/25/26: From $1,085
    18

    Tu

  • BOI–SJO, 08/19/26 – 08/26/26: From $846
    19

    We

  • BOI–SJO, 08/20/26 – 08/27/26: From $846
    20

    Th

  • BOI–SJO, 08/21/26 – 08/28/26: From $796
    21

    Fr

  • BOI–SJO, 08/22/26 – 08/29/26: From $866
    22

    Sa

  • BOI–SJO, 08/23/26 – 08/30/26: From $1,065
    23

    Su

  • BOI–SJO, 08/24/26 – 08/31/26: From $866
    24

    Mo

  • BOI–SJO, 08/25/26 – 09/01/26: From $796
    25

    Tu

  • BOI–SJO, 08/26/26 – 09/02/26: From $575
    26

    We

  • BOI–SJO, 08/27/26 – 09/03/26: From $643
    27

    Th

  • BOI–SJO, 08/28/26 – 09/04/26: From $525
    28

    Fr

  • BOI–SJO, 08/29/26 – 09/05/26: From $575
    29

    Sa

  • BOI–SJO, 08/30/26 – 09/06/26: From $757
    30

    Su

  • BOI–SJO, 08/31/26 – 09/07/26: From $819
    31

    Mo

  • BOI–SJO, 09/01/26 – 09/08/26: From $600
    01

    Tu

    SEP

  • BOI–SJO, 09/02/26 – 09/09/26: From $643
    02

    We

  • BOI–SJO, 09/03/26 – 09/10/26: From $718
    03

    Th

  • BOI–SJO, 09/04/26 – 09/11/26: From $873
    04

    Fr

  • BOI–SJO, 09/05/26 – 09/12/26: From $759
    05

    Sa

  • BOI–SJO, 09/06/26 – 09/13/26: From $799
    06

    Su

  • BOI–SJO, 09/07/26 – 09/14/26: From $708
    07

    Mo

  • BOI–SJO, 09/08/26 – 09/15/26: From $625
    08

    Tu

  • BOI–SJO, 09/09/26 – 09/16/26: From $625
    09

    We

  • BOI–SJO, 09/10/26 – 09/17/26: From $625
    10

    Th

  • BOI–SJO, 09/11/26 – 09/18/26: From $525
    11

    Fr

  • BOI–SJO, 09/12/26 – 09/19/26: From $525
    12

    Sa

  • BOI–SJO, 09/13/26 – 09/20/26: From $802
    13

    Su

  • BOI–SJO, 09/14/26 – 09/21/26: From $729
    14

    Mo

    • range$525-$1,115

    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 Jose, CR flights

    $
    keyboard_arrow_down

    Boise (BOI)to

    San Jose, CR (SJO)
    10/03/26 - 10/09/26

    Round trip

    Economy

    from
    $499Fare subject to changes
    Updated: 18 minutes ago

    Boise (BOI)to

    San Jose, CR (SJO)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $525Fare subject to changes
    Updated: 7 hours ago

    Boise (BOI)to

    San Jose, CR (SJO)
    10/16/26 - 10/23/26

    Round trip

    Economy

    from
    $525Fare subject to changes
    Updated: 7 hours ago

    Boise (BOI)to

    San Jose, CR (SJO)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $525Fare subject to changes
    Updated: 7 hours ago

    Boise (BOI)to

    San Jose, CR (SJO)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $525Fare subject to changes
    Updated: 7 hours ago

    Boise (BOI)to

    San Jose, CR (SJO)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $525Fare subject to changes
    Updated: 7 hours ago

    Boise (BOI)to

    San Jose, CR (SJO)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $525Fare subject to changes
    Updated: 7 hours ago

    Boise (BOI)to

    San Jose, CR (SJO)
    09/12/26 - 09/19/26

    Round trip

    Economy

    from
    $525Fare subject to changes
    Updated: 7 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 Jose, CR

    Looking for lower fares on your trip from Boise to San Jose, CR? 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 Jose, CR