Southwest® flights from San Francisco to Boise from $149

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Low fares from San Francisco to Boise

$

San Francisco (SFO)to

Boise (BOI)
Depart: 11/19/2026

One-way

Basic

From
$149
Seen: 8 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 10/30/2026

One-way

Basic

From
$154
Seen: 2 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 10/19/2026

One-way

Basic

From
$162
Seen: 20 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 12/16/2026

One-way

Basic

From
$162
Seen: 10 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 10/17/2026

One-way

Basic

From
$162
Seen: 7 hrs ago

San Francisco (SFO)to

Boise (BOI)
Depart: 11/19/2026

One-way

Choice

From
$189
Seen: 8 hrs ago

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Explore flights from San Francisco to Boise

Sep 2026
From$409*
Seen: 14 hrs ago
One Way/Basic
Oct 2026
From$154*
Seen: 2 hrs ago
One Way/Basic
Nov 2026
From$149*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $162
cmp-daily-histogram-bars-legend-max-price-aria-label $409
Displaying fares for September-2026
  • SFO–BOI, 09/24/2026: From $409
    24

    Thu

    SEP

  • SFO–BOI, 09/25/2026: From $409
    25

    Fri

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

    Sat

  • SFO–BOI, 09/27/2026: From $409
    27

    Sun

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

    Mon

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

    Tue

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

    Wed

  • SFO–BOI, 10/01/2026: From $319
    01

    Thu

    OCT

  • SFO–BOI, 10/02/2026: From $319
    02

    Fri

  • SFO–BOI, 10/03/2026: From $319
    03

    Sat

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

    Sun

  • SFO–BOI, 10/05/2026: From $319
    05

    Mon

  • SFO–BOI, 10/06/2026: From $319
    06

    Tue

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

    Wed

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

    Thu

  • SFO–BOI, 10/09/2026: From $239
    09

    Fri

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

    Sat

  • SFO–BOI, 10/11/2026: From $239
    11

    Sun

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

    Mon

  • SFO–BOI: cmp-view-offers-disclaimer. Find Offers
    13

    Tue

  • SFO–BOI: cmp-view-offers-disclaimer. Find Offers
    14

    Wed

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

    Thu

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

    Fri

  • SFO–BOI, 10/17/2026: From $162
    17

    Sat

  • SFO–BOI, 10/18/2026: From $194
    18

    Sun

  • SFO–BOI, 10/19/2026: From $162
    19

    Mon

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

    Tue

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

    Wed

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

    Thu

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

    Fri

    • Range$162-$409

    *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

    Route Information

    105† Weekly flights

    † 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

    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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