Alaska Airlines Flights from Boise to San Jose

Lowest fares from Boise to San Jose

Sep 2026
From$174*
Seen: 6 hours ago
Flight Type One Way|Saver
Oct 2026
From$119*
Seen: 6 hours ago
Flight Type One Way|Saver
Nov 2026
From$119*
Seen: 6 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $399
Displaying fares for September-2026
  • BOI–SJC, Sep 7, 2026: From $389
    07

    Mo

    SEP

  • BOI–SJC, Sep 8, 2026: From $399
    08

    Tu

  • BOI–SJC, Sep 9, 2026: From $389
    09

    We

  • BOI–SJC, Sep 10, 2026: From $399
    10

    Th

  • BOI–SJC, Sep 11, 2026: From $389
    11

    Fr

  • BOI–SJC, Sep 12, 2026: From $389
    12

    Sa

  • BOI–SJC, Sep 13, 2026: From $299
    13

    Su

  • BOI–SJC, Sep 14, 2026: From $299
    14

    Mo

  • BOI–SJC, Sep 15, 2026: From $299
    15

    Tu

  • BOI–SJC, Sep 16, 2026: From $299
    16

    We

  • BOI–SJC, Sep 17, 2026: From $299
    17

    Th

  • BOI–SJC, Sep 18, 2026: From $299
    18

    Fr

  • BOI–SJC, Sep 19, 2026: From $299
    19

    Sa

  • BOI–SJC, Sep 20, 2026: From $229
    20

    Su

  • BOI–SJC, Sep 21, 2026: From $219
    21

    Mo

  • BOI–SJC, Sep 22, 2026: From $219
    22

    Tu

  • BOI–SJC, Sep 23, 2026: From $219
    23

    We

  • BOI–SJC, Sep 24, 2026: From $219
    24

    Th

  • BOI–SJC, Sep 25, 2026: From $219
    25

    Fr

  • BOI–SJC, Sep 26, 2026: From $219
    26

    Sa

  • BOI–SJC, Sep 27, 2026: From $174
    27

    Su

  • BOI–SJC, Sep 28, 2026: From $174
    28

    Mo

  • BOI–SJC, Sep 29, 2026: From $174
    29

    Tu

  • BOI–SJC, Sep 30, 2026: From $174
    30

    We

  • BOI–SJC, Oct 1, 2026: From $174
    01

    Th

    OCT

  • BOI–SJC, Oct 2, 2026: From $174
    02

    Fr

  • BOI–SJC, Oct 3, 2026: From $174
    03

    Sa

  • BOI–SJC, Oct 4, 2026: From $199
    04

    Su

  • BOI–SJC, Oct 5, 2026: From $184
    05

    Mo

  • BOI–SJC, Oct 6, 2026: From $119
    06

    Tu

    • Range$119-$399

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Boise to San Jose.*

    $
    keyboard_arrow_down
    One-way low-fare flights Boise to San Jose.*
    From
    To
    Fare Type
    Dates
    Price
    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Dec 8, 2026

    From

    $119

    Seen: 6 hours ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Dec 11, 2026

    From

    $119

    Seen: 6 hours ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Jan 9, 2027

    From

    $119

    Seen: 6 hours ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Jan 13, 2027

    From

    $119

    Seen: 6 hours ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Jan 14, 2027

    From

    $119

    Seen: 6 hours ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Jan 15, 2027

    From

    $119

    Seen: 6 hours ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Jan 17, 2027

    From

    $119

    Seen: 6 hours ago

    Boise (BOI)San Jose (SJC)One-way
    |
    Saver    		Depart: Feb 2, 2027

    From

    $119

    Seen: 6 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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