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: 12/01/2026

One-way

Basic

From
$119
Seen: 23 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 10/23/2026

One-way

Basic

From
$119
Seen: 18 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 10/16/2026

One-way

Basic

From
$119
Seen: 15 hrs ago

San Jose, CA (SJC)to

Boise (BOI)
Depart: 12/07/2026

One-way

Basic

From
$119
Seen: 9 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: 11/13/2026

One-way

Basic

From
$119
Seen: 5 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from San Jose, CA to Boise

Sep 2026
From$172*
Seen: 18 hrs ago
One Way/Basic
Oct 2026
From$119*
Seen: 18 hrs ago
One Way/Basic
Nov 2026
From$119*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $389
Displaying fares for September-2026
  • SJC–BOI, 09/10/2026: From $389
    10

    Thu

    SEP

  • SJC–BOI, 09/11/2026: From $389
    11

    Fri

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

    Sat

  • SJC–BOI, 09/13/2026: From $389
    13

    Sun

  • SJC–BOI, 09/14/2026: From $389
    14

    Mon

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • SJC–BOI, 09/16/2026: From $299
    16

    Wed

  • SJC–BOI, 09/17/2026: From $299
    17

    Thu

  • SJC–BOI, 09/18/2026: From $299
    18

    Fri

  • SJC–BOI, 09/19/2026: From $299
    19

    Sat

  • SJC–BOI, 09/20/2026: From $299
    20

    Sun

  • SJC–BOI, 09/21/2026: From $299
    21

    Mon

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • SJC–BOI, 09/23/2026: From $219
    23

    Wed

  • SJC–BOI, 09/24/2026: From $219
    24

    Thu

  • SJC–BOI, 09/25/2026: From $229
    25

    Fri

  • SJC–BOI, 09/26/2026: From $219
    26

    Sat

  • SJC–BOI, 09/27/2026: From $219
    27

    Sun

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

    Mon

  • SJC–BOI, 09/29/2026: From $219
    29

    Tue

  • SJC–BOI, 09/30/2026: From $172
    30

    Wed

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

    Thu

    OCT

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

    Fri

  • SJC–BOI, 10/03/2026: From $172
    03

    Sat

  • SJC–BOI, 10/04/2026: From $174
    04

    Sun

  • SJC–BOI: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • SJC–BOI, 10/06/2026: From $172
    06

    Tue

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

    Wed

  • SJC–BOI, 10/08/2026: From $172
    08

    Thu

  • SJC–BOI, 10/09/2026: From $159
    09

    Fri

    • Range$159-$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.

    Explore Flights from Other Popular Origins

    Popular Flights from San Jose, CA