Southwest® flights from San Jose, CA to Boise from $123

Promo Code

Low fares from San Jose, CA to Boise

$

San Jose, CA (SJC)to

Boise (BOI)
Depart: 12/03/2026

One-way

Basic

From
$123
Seen: 20 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 11/19/2026

One-way

Basic

From
$123
Seen: 23 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 12/08/2026

One-way

Basic

From
$123
Seen: 14 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 11/12/2026

One-way

Basic

From
$123
Seen: 12 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 12/09/2026

One-way

Basic

From
$123
Seen: 1 hour ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 12/15/2026

One-way

Basic

From
$123
Seen: 19 hrs ago

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Explore flights from San Jose, CA to Boise

Oct 2026
From$319*
Seen: 4 hrs ago
One Way/Basic
Nov 2026
From$123*
Seen: 12 hrs ago
One Way/Basic
Dec 2026
From$123*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $123
cmp-daily-histogram-bars-legend-max-price-aria-label $409
Displaying fares for October-2026
  • SJC–BOI, 10/23/2026: From $409
    23

    Fri

    OCT

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • SJC–BOI, 10/26/2026: From $409
    26

    Mon

  • SJC–BOI, 10/27/2026: From $409
    27

    Tue

  • SJC–BOI, 10/28/2026: From $409
    28

    Wed

  • SJC–BOI, 10/29/2026: From $319
    29

    Thu

  • SJC–BOI, 10/30/2026: From $319
    30

    Fri

  • SJC–BOI, 10/31/2026: From $329
    31

    Sat

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    01

    Sun

    NOV

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    03

    Tue

  • SJC–BOI, 11/04/2026: From $319
    04

    Wed

  • SJC–BOI, 11/05/2026: From $319
    05

    Thu

  • SJC–BOI, 11/06/2026: From $239
    06

    Fri

  • SJC–BOI, 11/07/2026: From $239
    07

    Sat

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

    Sun

  • SJC–BOI, 11/09/2026: From $159
    09

    Mon

  • SJC–BOI, 11/10/2026: From $150
    10

    Tue

  • SJC–BOI, 11/11/2026: From $159
    11

    Wed

  • SJC–BOI, 11/12/2026: From $123
    12

    Thu

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

    Fri

  • SJC–BOI, 11/14/2026: From $123
    14

    Sat

  • SJC–BOI, 11/15/2026: From $158
    15

    Sun

  • SJC–BOI, 11/16/2026: From $194
    16

    Mon

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • SJC–BOI, 11/19/2026: From $123
    19

    Thu

  • SJC–BOI, 11/20/2026: From $158
    20

    Fri

  • SJC–BOI, 11/21/2026: From $204
    21

    Sat

  • SJC–BOI, 11/22/2026: From $158
    22

    Sun

    • Range$123-$409

    *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

    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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