Southwest® flights from San Jose, CA to Boise from $119

Promo Code

Low fares from San Jose, CA to Boise

$

San Jose, CA (SJC)to

Boise (BOI)
Depart: 10/10/2026

One-way

Basic

From
$119
Seen: 19 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 10/23/2026

One-way

Basic

From
$119
Seen: 23 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 10/24/2026

One-way

Basic

From
$119
Seen: 9 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 10/05/2026

One-way

Basic

From
$119
Seen: 16 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 09/29/2026

One-way

Basic

From
$119
Seen: 11 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 09/26/2026

One-way

Basic

From
$119
Seen: 17 hrs ago

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Explore flights from San Jose, CA to Boise

Aug 2026
From$299*
Seen: 4 hrs ago
One Way/Basic
Sep 2026
From$119*
Seen: 17 hrs ago
One Way/Basic
Oct 2026
From$119*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $389
Displaying fares for August-2026
  • SJC–BOI, 08/21/2026: From $389
    21

    Fri

    AUG

  • SJC–BOI, 08/22/2026: From $389
    22

    Sat

  • SJC–BOI, 08/23/2026: From $389
    23

    Sun

  • SJC–BOI, 08/24/2026: From $389
    24

    Mon

  • SJC–BOI, 08/25/2026: From $389
    25

    Tue

  • SJC–BOI, 08/26/2026: From $389
    26

    Wed

  • SJC–BOI, 08/27/2026: From $299
    27

    Thu

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • SJC–BOI, 08/29/2026: From $299
    29

    Sat

  • SJC–BOI, 08/30/2026: From $299
    30

    Sun

  • SJC–BOI, 08/31/2026: From $299
    31

    Mon

  • SJC–BOI, 09/01/2026: From $299
    01

    Tue

    SEP

  • SJC–BOI, 09/02/2026: From $299
    02

    Wed

  • SJC–BOI, 09/03/2026: From $219
    03

    Thu

  • SJC–BOI, 09/04/2026: From $240
    04

    Fri

  • SJC–BOI, 09/05/2026: From $219
    05

    Sat

  • SJC–BOI, 09/06/2026: From $219
    06

    Sun

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • SJC–BOI, 09/11/2026: From $173
    11

    Fri

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

    Sat

  • SJC–BOI, 09/13/2026: From $174
    13

    Sun

  • SJC–BOI, 09/14/2026: From $165
    14

    Mon

  • SJC–BOI, 09/15/2026: From $165
    15

    Tue

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • SJC–BOI, 09/17/2026: From $165
    17

    Thu

  • SJC–BOI, 09/18/2026: From $173
    18

    Fri

  • SJC–BOI, 09/19/2026: From $119
    19

    Sat

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

    • Range$119-$389

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Norman Y. Mineta San José International Airport
    Arriving at:
    Boise Airport
    Average flight time:
    1 hour 36 minutes
    Distance:
    523 miles

    Route Information

    130† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from San Jose, CA to Boise is 1 hour 36 minutes.
    There are 130 weekly flights from San Jose, CA to Boise on Southwest Airlines.
    Yes, Southwest flies nonstop from San Jose, CA to Boise once per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Jose, CA to Boise once per day on Sundays.
    To find the lowest fares by day and time to fly San Jose, CA to Boise with Southwest, check out our Low Fare Calendar.
    You can rent a car at Boise Airport book yours with your flight.
    Yes! Flights from San Jose, CA to Boise—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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