Southwest® flights from Boise to San Antonio from $187

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Low fares from Boise to San Antonio

$

Boise (BOI)to

San Antonio (SAT)
Depart: 12/22/2026

One-way

Basic

From
$187
Seen: 21 hrs ago

Boise (BOI)to

San Antonio (SAT)
Depart: 12/12/2026

One-way

Basic

From
$187
Seen: 21 hrs ago

Boise (BOI)to

San Antonio (SAT)
Depart: 12/07/2026

One-way

Basic

From
$202
Seen: 12 hrs ago

Boise (BOI)to

San Antonio (SAT)
Depart: 12/14/2026

One-way

Basic

From
$202
Seen: 2 hrs ago

Boise (BOI)to

San Antonio (SAT)
Depart: 12/12/2026

One-way

Choice

From
$232
Seen: 21 hrs ago

Boise (BOI)to

San Antonio (SAT)
Depart: 12/22/2026

One-way

Choice

From
$232
Seen: 21 hrs ago

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Explore flights from Boise to San Antonio

Nov 2026
From$297*
Seen: 8 hrs ago
One Way/Basic
Dec 2026
From$187*
Seen: 21 hrs ago
One Way/Basic
Jan 2027
From$247*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $202
Displaying fares for November-2026
  • BOI–SAT, 11/11/2026: From $297
    11

    Wed

    NOV

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

    Thu

  • BOI–SAT, 11/13/2026: From $380
    13

    Fri

  • BOI–SAT, 11/14/2026: From $297
    14

    Sat

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

    Sun

  • BOI–SAT, 11/16/2026: From $380
    16

    Mon

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    17

    Tue

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    18

    Wed

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    19

    Thu

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    20

    Fri

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

    Sat

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

    Sun

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

    Mon

  • BOI–SAT, 11/24/2026: From $302
    24

    Tue

  • BOI–SAT, 11/25/2026: From $297
    25

    Wed

  • BOI–SAT, 11/26/2026: From $324
    26

    Thu

  • BOI–SAT: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

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

    Sat

  • BOI–SAT: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • BOI–SAT: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

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

    Tue

    DEC

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    02

    Wed

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    03

    Thu

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

    Fri

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

    Sat

  • BOI–SAT: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • BOI–SAT, 12/07/2026: From $202
    07

    Mon

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

    Tue

  • BOI–SAT: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • BOI–SAT: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

    • Range$202-$380

    *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 Antonio International Airport
    Distance:
    1377 miles

    Questions we hear the most

    There are 114 weekly flights from Boise to San Antonio on Southwest Airlines.
    To find the lowest fares by day and time to fly Boise to San Antonio with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Antonio International Airport book yours with your flight.
    Yes! Flights from Boise to San Antonio—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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