Southwest® flights from Boise to Salt Lake City from $231

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Low fares from Boise to Salt Lake City

$

Boise (BOI)to

Salt Lake City (SLC)
Depart: 09/30/2026

One-way

Basic

From
$231
Seen: 21 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 09/13/2026

One-way

Basic

From
$231
Seen: 13 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 09/24/2026

One-way

Basic

From
$231
Seen: 15 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 09/11/2026

One-way

Basic

From
$231
Seen: 9 hrs ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 09/04/2026

One-way

Basic

From
$231
Seen: 1 hour ago

Boise (BOI)to

Salt Lake City (SLC)
Depart: 10/08/2026

One-way

Basic

From
$231
Seen: 9 hrs ago

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Explore flights from Boise to Salt Lake City

Aug 2026
From$242*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$231*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$231*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $242
cmp-daily-histogram-bars-legend-max-price-aria-label $421
Displaying fares for August-2026
  • BOI–SLC, 08/02/2026: From $421
    02

    Sun

    AUG

  • BOI–SLC, 08/03/2026: From $421
    03

    Mon

  • BOI–SLC, 08/04/2026: From $421
    04

    Tue

  • BOI–SLC, 08/05/2026: From $421
    05

    Wed

  • BOI–SLC, 08/06/2026: From $421
    06

    Thu

  • BOI–SLC, 08/07/2026: From $352
    07

    Fri

  • BOI–SLC, 08/08/2026: From $352
    08

    Sat

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

    Sun

  • BOI–SLC, 08/10/2026: From $352
    10

    Mon

  • BOI–SLC, 08/11/2026: From $352
    11

    Tue

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

    Wed

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

    Thu

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

    Fri

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    15

    Sat

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

    Sun

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    17

    Mon

  • BOI–SLC, 08/18/2026: From $264
    18

    Tue

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

    Wed

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

    Thu

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    21

    Fri

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

    Sat

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

    Sun

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    24

    Mon

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

    Tue

  • BOI–SLC, 08/26/2026: From $242
    26

    Wed

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

    Thu

  • BOI–SLC, 08/28/2026: From $242
    28

    Fri

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    29

    Sat

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

    Sun

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

    Mon

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

    Tue

    SEP

    • Range$242-$421

    *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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