Southwest® flights from San Francisco to Boise from $139

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Low fares from San Francisco to Boise

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San Francisco (SFO)to

Boise (BOI)
Depart: 12/12/2026

One-way

Basic

From
$139
Seen: 22 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 11/17/2026

One-way

Basic

From
$139
Seen: 14 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 11/11/2026

One-way

Basic

From
$139
Seen: 10 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 12/09/2026

One-way

Basic

From
$139
Seen: 11 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 11/12/2026

One-way

Basic

From
$149
Seen: 19 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 12/11/2026

One-way

Basic

From
$149
Seen: 4 hrs ago

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Explore flights from San Francisco to Boise

Oct 2026
From$249*
Seen: 16 hrs ago
One Way/Basic
Nov 2026
From$139*
Seen: 10 hrs ago
One Way/Basic
Dec 2026
From$139*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $139
cmp-daily-histogram-bars-legend-max-price-aria-label $419
Displaying fares for October-2026
  • SFO–BOI, 10/14/2026: From $419
    14

    Wed

    OCT

  • SFO–BOI, 10/15/2026: From $419
    15

    Thu

  • SFO–BOI, 10/16/2026: From $419
    16

    Fri

  • SFO–BOI, 10/17/2026: From $419
    17

    Sat

  • SFO–BOI, 10/18/2026: From $419
    18

    Sun

  • SFO–BOI: cmp-view-offers-disclaimer. Find Offers
    19

    Mon

  • SFO–BOI, 10/20/2026: From $329
    20

    Tue

  • SFO–BOI, 10/21/2026: From $329
    21

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

  • SFO–BOI, 10/29/2026: From $249
    29

    Thu

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

    Fri

  • SFO–BOI: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

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

    Sun

    NOV

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

    Mon

  • SFO–BOI: cmp-view-offers-disclaimer. Find Offers
    03

    Tue

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

    Wed

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

    Thu

  • SFO–BOI, 11/06/2026: From $160
    06

    Fri

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

    Sat

  • SFO–BOI, 11/08/2026: From $210
    08

    Sun

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

    Mon

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

    Tue

  • SFO–BOI, 11/11/2026: From $139
    11

    Wed

  • SFO–BOI, 11/12/2026: From $149
    12

    Thu

  • SFO–BOI, 11/13/2026: From $149
    13

    Fri

    • Range$139-$419

    *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 Francisco International Airport
    Arriving at:
    Boise Airport
    Distance:
    522 miles

    Questions we hear the most

    There are 105 weekly flights from San Francisco to Boise on Southwest Airlines.
    To find the lowest fares by day and time to fly San Francisco 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 Francisco 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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