Southwest® flights from Nashville to Boise from $104

Promo Code

Low fares from Nashville to Boise

$

Nashville (BNA)to

Boise (BOI)
Depart: 09/12/2026

One-way

Basic

From
$104
Seen: 3 hrs ago

Nashville (BNA)to

Boise (BOI)
Depart: 10/28/2026

One-way

Basic

From
$104
Seen: 1 hour ago

Nashville (BNA)to

Boise (BOI)
Depart: 10/26/2026

One-way

Basic

From
$105
Seen: 16 hrs ago

Nashville (BNA)to

Boise (BOI)
Depart: 10/05/2026

One-way

Basic

From
$105
Seen: 4 hrs ago

Nashville (BNA)to

Boise (BOI)
Depart: 10/29/2026

One-way

Basic

From
$105
Seen: 4 minutes ago

Nashville (BNA)to

Boise (BOI)
Depart: 10/15/2026

One-way

Basic

From
$105
Seen: 10 hrs ago

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 Nashville to Boise

Aug 2026
From$304*
Seen: 7 hrs ago
One Way/Basic
Sep 2026
From$104*
Seen: 3 hrs ago
One Way/Basic
Oct 2026
From$104*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $104
cmp-daily-histogram-bars-legend-max-price-aria-label $359
Displaying fares for August-2026
  • BNA–BOI, 08/14/2026: From $359
    14

    Fri

    AUG

  • BNA–BOI, 08/15/2026: From $359
    15

    Sat

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

    Sun

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

    Mon

  • BNA–BOI, 08/18/2026: From $359
    18

    Tue

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

    Wed

  • BNA–BOI, 08/20/2026: From $346
    20

    Thu

  • BNA–BOI, 08/21/2026: From $346
    21

    Fri

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

    Sat

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

    Sun

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

    Mon

  • BNA–BOI, 08/25/2026: From $329
    25

    Tue

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

    Wed

  • BNA–BOI, 08/27/2026: From $304
    27

    Thu

  • BNA–BOI, 08/28/2026: From $304
    28

    Fri

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

    Sat

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

    Sun

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

    Mon

  • BNA–BOI, 09/01/2026: From $192
    01

    Tue

    SEP

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

    Wed

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

    Thu

  • BNA–BOI, 09/04/2026: From $265
    04

    Fri

  • BNA–BOI, 09/05/2026: From $190
    05

    Sat

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

    Sun

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

    Mon

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

    Tue

  • BNA–BOI, 09/09/2026: From $180
    09

    Wed

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

    Thu

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

    Fri

  • BNA–BOI, 09/12/2026: From $104
    12

    Sat

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

    Sun

    • Range$104-$359

    *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:
    Nashville Metropolitan Airport
    Arriving at:
    Boise Airport
    Distance:
    1643 miles

    Route Information

    141† 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 141 weekly flights from Nashville to Boise on Southwest Airlines.
    To find the lowest fares by day and time to fly Nashville 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 Nashville 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.

    Explore Flights from Other Popular Origins

    Popular Flights from Nashville