Southwest® flights from Boise to San Diego from $102

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Low fares from Boise to San Diego

$

Boise (BOI)to

San Diego (SAN)
Depart: 01/11/2027

One-way

Basic

From
$102
Seen: 17 hrs ago

Boise (BOI)to

San Diego (SAN)
Depart: 01/12/2027

One-way

Basic

From
$102
Seen: 9 hrs ago

Boise (BOI)to

San Diego (SAN)
Depart: 12/02/2026

One-way

Basic

From
$102
Seen: 28 minutes ago

Boise (BOI)to

San Diego (SAN)
Depart: 01/13/2027

One-way

Basic

From
$102
Seen: 4 hrs ago

Boise (BOI)to

San Diego (SAN)
Depart: 01/25/2027

One-way

Basic

From
$102
Seen: 18 hrs ago

Boise (BOI)to

San Diego (SAN)
Depart: 01/04/2027

One-way

Basic

From
$102
Seen: 8 hrs ago

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Explore flights from Boise to San Diego

Oct 2026
From$237*
Seen: 20 hrs ago
One Way/Basic
Nov 2026
From$104*
Seen: 17 hrs ago
One Way/Basic
Dec 2026
From$102*
Seen: 55 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $108
cmp-daily-histogram-bars-legend-max-price-aria-label $389
Displaying fares for October-2026
  • BOI–SAN, 10/21/2026: From $283
    21

    Wed

    OCT

  • BOI–SAN, 10/22/2026: From $283
    22

    Thu

  • BOI–SAN, 10/23/2026: From $389
    23

    Fri

  • BOI–SAN, 10/24/2026: From $389
    24

    Sat

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

    Sun

  • BOI–SAN, 10/26/2026: From $283
    26

    Mon

  • BOI–SAN, 10/27/2026: From $237
    27

    Tue

  • BOI–SAN, 10/28/2026: From $237
    28

    Wed

  • BOI–SAN, 10/29/2026: From $237
    29

    Thu

  • BOI–SAN, 10/30/2026: From $237
    30

    Fri

  • BOI–SAN, 10/31/2026: From $237
    31

    Sat

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

    Sun

    NOV

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

    Mon

  • BOI–SAN, 11/03/2026: From $206
    03

    Tue

  • BOI–SAN: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

  • BOI–SAN, 11/05/2026: From $206
    05

    Thu

  • BOI–SAN, 11/06/2026: From $206
    06

    Fri

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

    Sat

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

    Sun

  • BOI–SAN, 11/09/2026: From $114
    09

    Mon

  • BOI–SAN, 11/10/2026: From $108
    10

    Tue

  • BOI–SAN, 11/11/2026: From $108
    11

    Wed

  • BOI–SAN, 11/12/2026: From $108
    12

    Thu

  • BOI–SAN, 11/13/2026: From $114
    13

    Fri

  • BOI–SAN, 11/14/2026: From $108
    14

    Sat

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

    Sun

  • BOI–SAN, 11/16/2026: From $108
    16

    Mon

  • BOI–SAN, 11/17/2026: From $108
    17

    Tue

  • BOI–SAN, 11/18/2026: From $108
    18

    Wed

  • BOI–SAN, 11/19/2026: From $159
    19

    Thu

  • BOI–SAN, 11/20/2026: From $237
    20

    Fri

    • Range$108-$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:
    Boise Airport
    Arriving at:
    San Diego International Airport
    Average flight time:
    2 hours 14 minutes
    Distance:
    749 miles

    Questions we hear the most

    The average flight time from Boise to San Diego is 2 hours 14 minutes.
    There are 146 weekly flights from Boise to San Diego on Southwest Airlines.
    Yes, Southwest flies nonstop from Boise to San Diego once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Boise to San Diego once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Boise to San Diego with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Diego International Airport book yours with your flight.
    Yes! Flights from Boise to San Diego—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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