Southwest® flights from San Diego to Boise from $79

Promo Code

Low fares from San Diego to Boise

$

San Diego (SAN)to

Boise (BOI)
Depart: 10/17/2026

One-way

Basic

From
$79
Seen: 15 hrs ago

San Diego (SAN)to

Boise (BOI)
Depart: 10/19/2026

One-way

Basic

From
$79
Seen: 16 hrs ago

San Diego (SAN)to

Boise (BOI)
Depart: 09/30/2026

One-way

Basic

From
$79
Seen: 8 hrs ago

San Diego (SAN)to

Boise (BOI)
Depart: 12/17/2026

One-way

Basic

From
$79
Seen: 10 hrs ago

San Diego (SAN)to

Boise (BOI)
Depart: 10/31/2026

One-way

Basic

From
$79
Seen: 2 hrs ago

San Diego (SAN)to

Boise (BOI)
Depart: 11/11/2026

One-way

Basic

From
$79
Seen: 30 minutes ago

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Explore flights from San Diego to Boise

Sep 2026
From$79*
Seen: 8 hrs ago
One Way/Basic
Oct 2026
From$79*
Seen: 23 hrs ago
One Way/Basic
Nov 2026
From$79*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $79
cmp-daily-histogram-bars-legend-max-price-aria-label $374
Displaying fares for September-2026
  • SAN–BOI: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

    SEP

  • SAN–BOI, 09/11/2026: From $374
    11

    Fri

  • SAN–BOI, 09/12/2026: From $374
    12

    Sat

  • SAN–BOI, 09/13/2026: From $374
    13

    Sun

  • SAN–BOI, 09/14/2026: From $263
    14

    Mon

  • SAN–BOI, 09/15/2026: From $263
    15

    Tue

  • SAN–BOI, 09/16/2026: From $244
    16

    Wed

  • SAN–BOI, 09/17/2026: From $244
    17

    Thu

  • SAN–BOI, 09/18/2026: From $284
    18

    Fri

  • SAN–BOI, 09/19/2026: From $284
    19

    Sat

  • SAN–BOI, 09/20/2026: From $284
    20

    Sun

  • SAN–BOI, 09/21/2026: From $244
    21

    Mon

  • SAN–BOI, 09/22/2026: From $244
    22

    Tue

  • SAN–BOI, 09/23/2026: From $214
    23

    Wed

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

    Thu

  • SAN–BOI, 09/25/2026: From $214
    25

    Fri

  • SAN–BOI: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

  • SAN–BOI, 09/27/2026: From $224
    27

    Sun

  • SAN–BOI, 09/28/2026: From $214
    28

    Mon

  • SAN–BOI, 09/29/2026: From $214
    29

    Tue

  • SAN–BOI, 09/30/2026: From $79
    30

    Wed

  • SAN–BOI, 10/01/2026: From $89
    01

    Thu

    OCT

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

    Fri

  • SAN–BOI, 10/03/2026: From $79
    03

    Sat

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

    Sun

  • SAN–BOI, 10/05/2026: From $79
    05

    Mon

  • SAN–BOI, 10/06/2026: From $79
    06

    Tue

  • SAN–BOI, 10/07/2026: From $79
    07

    Wed

  • SAN–BOI, 10/08/2026: From $79
    08

    Thu

  • SAN–BOI, 10/09/2026: From $104
    09

    Fri

    • Range$79-$374

    *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:
    San Diego International Airport
    Arriving at:
    Boise Airport
    Average flight time:
    2 hours 14 minutes
    Distance:
    749 miles

    Route Information

    148† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 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 Diego to Boise is 2 hours 14 minutes.
    There are 148 weekly flights from San Diego to Boise on Southwest Airlines.
    Yes, Southwest flies nonstop from San Diego to Boise once per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Diego to Boise once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly San Diego 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 Diego 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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