Southwest® flights from Boise to San Diego from $114

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Low fares from Boise to San Diego

$

Boise (BOI)to

San Diego (SAN)
Depart: 12/19/2026

One-way

Basic

From
$114
Seen: 12 hrs ago

Boise (BOI)to

San Diego (SAN)
Depart: 01/09/2027

One-way

Basic

From
$114
Seen: 5 hrs ago

Boise (BOI)to

San Diego (SAN)
Depart: 01/06/2027

One-way

Basic

From
$114
Seen: 4 hrs ago

Boise (BOI)to

San Diego (SAN)
Depart: 01/23/2027

One-way

Basic

From
$114
Seen: 5 hrs ago

Boise (BOI)to

San Diego (SAN)
Depart: 12/08/2026

One-way

Basic

From
$114
Seen: 58 minutes ago

Boise (BOI)to

San Diego (SAN)
Depart: 12/09/2026

One-way

Basic

From
$114
Seen: 20 hrs ago

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Explore flights from Boise to San Diego

Nov 2026
From$204*
Seen: 9 hrs ago
One Way/Basic
Dec 2026
From$114*
Seen: 1 hour ago
One Way/Basic
Jan 2027
From$114*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $114
cmp-daily-histogram-bars-legend-max-price-aria-label $394
Displaying fares for November-2026
  • BOI–SAN, 11/09/2026: From $288
    09

    Mon

    NOV

  • BOI–SAN, 11/10/2026: From $288
    10

    Tue

  • BOI–SAN, 11/11/2026: From $288
    11

    Wed

  • BOI–SAN, 11/12/2026: From $288
    12

    Thu

  • BOI–SAN, 11/13/2026: From $394
    13

    Fri

  • BOI–SAN, 11/14/2026: From $394
    14

    Sat

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

    Sun

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

    Mon

  • BOI–SAN, 11/17/2026: From $242
    17

    Tue

  • BOI–SAN, 11/18/2026: From $242
    18

    Wed

  • BOI–SAN, 11/19/2026: From $242
    19

    Thu

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

    Fri

  • BOI–SAN: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • BOI–SAN, 11/22/2026: From $211
    22

    Sun

  • BOI–SAN: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

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

    Tue

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

    Wed

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

    Thu

  • BOI–SAN, 11/27/2026: From $211
    27

    Fri

  • BOI–SAN, 11/28/2026: From $241
    28

    Sat

  • BOI–SAN, 11/29/2026: From $329
    29

    Sun

  • BOI–SAN, 11/30/2026: From $204
    30

    Mon

  • BOI–SAN, 12/01/2026: From $174
    01

    Tue

    DEC

  • BOI–SAN, 12/02/2026: From $174
    02

    Wed

  • BOI–SAN, 12/03/2026: From $174
    03

    Thu

  • BOI–SAN, 12/04/2026: From $174
    04

    Fri

  • BOI–SAN, 12/05/2026: From $174
    05

    Sat

  • BOI–SAN, 12/06/2026: From $174
    06

    Sun

  • BOI–SAN, 12/07/2026: From $174
    07

    Mon

  • BOI–SAN, 12/08/2026: From $114
    08

    Tue

    • Range$114-$394

    *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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