Southwest® flights from Boise to Salt Lake City from $251

Promo Code

Low fares from Boise to Salt Lake City

$

Boise (BOI)to

Salt Lake City (SLC)
Depart: 11/25/2026

One-way

Basic

From
$251
Seen: 23 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 11/12/2026

One-way

Basic

From
$251
Seen: 10 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 11/13/2026

One-way

Basic

From
$251
Seen: 18 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 11/20/2026

One-way

Basic

From
$251
Seen: 5 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 11/24/2026

One-way

Basic

From
$251
Seen: 22 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 11/01/2026

One-way

Basic

From
$251
Seen: 2 hrs ago

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Explore flights from Boise to Salt Lake City

Oct 2026
From$262*
Seen: 8 hrs ago
One Way/Basic
Nov 2026
From$251*
Seen: 18 hrs ago
One Way/Basic
Dec 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $262
cmp-daily-histogram-bars-legend-max-price-aria-label $441
Displaying fares for October-2026
  • BOI–SLC: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • BOI–SLC, 10/02/2026: From $441
    02

    Fri

  • BOI–SLC, 10/03/2026: From $441
    03

    Sat

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

    Sun

  • BOI–SLC, 10/05/2026: From $441
    05

    Mon

  • BOI–SLC, 10/06/2026: From $372
    06

    Tue

  • BOI–SLC, 10/07/2026: From $372
    07

    Wed

  • BOI–SLC, 10/08/2026: From $372
    08

    Thu

  • BOI–SLC, 10/09/2026: From $372
    09

    Fri

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

    Sat

  • BOI–SLC: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

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

    Mon

  • BOI–SLC, 10/13/2026: From $372
    13

    Tue

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

    Wed

  • BOI–SLC, 10/15/2026: From $284
    15

    Thu

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

    Fri

  • BOI–SLC: cmp-view-offers-disclaimer. Find Offers
    17

    Sat

  • BOI–SLC, 10/18/2026: From $311
    18

    Sun

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

    Mon

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

    Tue

  • BOI–SLC, 10/21/2026: From $262
    21

    Wed

  • BOI–SLC, 10/22/2026: From $262
    22

    Thu

  • BOI–SLC, 10/23/2026: From $262
    23

    Fri

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

    Sat

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

    Sun

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

    Mon

  • BOI–SLC, 10/27/2026: From $262
    27

    Tue

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

    Wed

  • BOI–SLC, 10/29/2026: From $262
    29

    Thu

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

    Fri

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

    Sat

    • Range$262-$441

    *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:
    Salt Lake City International Airport
    Distance:
    290 miles

    Route Information

    128† 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 128 weekly flights from Boise to Salt Lake City on Southwest Airlines.
    To find the lowest fares by day and time to fly Boise to Salt Lake City with Southwest, check out our Low Fare Calendar.
    You can rent a car at Salt Lake City International Airport book yours with your flight.
    Yes! Flights from Boise to Salt Lake City—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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