Southwest® flights from Boise to Salt Lake City from $266

Promo Code

Low fares from Boise to Salt Lake City

$

Boise (BOI)to

Salt Lake City (SLC)
Depart: 12/17/2026

One-way

Basic

From
$266
Seen: 18 hrs ago

Boise (BOI)to

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

One-way

Basic

From
$266
Seen: 19 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 01/22/2027

One-way

Basic

From
$266
Seen: 3 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 01/25/2027

One-way

Basic

From
$266
Seen: 21 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 12/29/2026

One-way

Basic

From
$266
Seen: 21 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 12/30/2026

One-way

Basic

From
$266
Seen: 3 hrs ago
Two happy travelers riding a scooter at sunset, promoting low-fare flights.

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Boise to Salt Lake City

cmp-daily-histogram-bars-legend-min-price-aria-label $277
Displaying fares for November-2026
  • BOI–SLC, 11/11/2026: From $456
    11

    Wed

    NOV

  • BOI–SLC, 11/12/2026: From $456
    12

    Thu

  • BOI–SLC, 11/13/2026: From $456
    13

    Fri

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

    Sat

  • BOI–SLC, 11/15/2026: From $456
    15

    Sun

  • BOI–SLC, 11/16/2026: From $387
    16

    Mon

  • BOI–SLC, 11/17/2026: From $387
    17

    Tue

  • BOI–SLC, 11/18/2026: From $387
    18

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

  • BOI–SLC, 11/25/2026: From $299
    25

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

    DEC

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

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

  • BOI–SLC, 12/08/2026: From $277
    08

    Tue

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

    Wed

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

    Thu

  • Range$277-$456

    Flight Details

    Departing from:
    Boise Airport
    Arriving at:
    Salt Lake City International Airport
    Distance:
    290 miles

    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.

    Popular Flights from Boise