Southwest® flights from Austin to Boise from $119

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Low fares from Austin to Boise

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Austin (AUS)to

Boise (BOI)
Depart: 08/28/2026

One-way

Basic

From
$119
Seen: 3 hrs ago

Austin (AUS)to

Boise (BOI)
Depart: 08/24/2026

One-way

Basic

From
$119
Seen: 6 hrs ago

Austin (AUS)to

Boise (BOI)
Depart: 08/30/2026

One-way

Basic

From
$119
Seen: 42 minutes ago

Austin (AUS)to

Boise (BOI)
Depart: 08/25/2026

One-way

Basic

From
$119
Seen: 5 hrs ago

Austin (AUS)to

Boise (BOI)
Depart: 08/14/2026

One-way

Basic

From
$129
Seen: 23 hrs ago

Austin (AUS)to

Boise (BOI)
Depart: 09/05/2026

One-way

Basic

From
$150
Seen: 2 hrs ago

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Explore flights from Austin to Boise

Aug 2026
From$119*
Seen: 3 hrs ago
One Way/Basic
Sep 2026
From$150*
Seen: 2 hrs ago
One Way/Basic
Oct 2026
From$175*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $384
Displaying fares for August-2026
  • AUS–BOI, 08/01/2026: From $290
    01

    Sat

    AUG

  • AUS–BOI, 08/02/2026: From $384
    02

    Sun

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

    Mon

  • AUS–BOI, 08/04/2026: From $290
    04

    Tue

  • AUS–BOI, 08/05/2026: From $290
    05

    Wed

  • AUS–BOI, 08/06/2026: From $366
    06

    Thu

  • AUS–BOI, 08/07/2026: From $366
    07

    Fri

  • AUS–BOI, 08/08/2026: From $290
    08

    Sat

  • AUS–BOI, 08/09/2026: From $366
    09

    Sun

  • AUS–BOI, 08/10/2026: From $366
    10

    Mon

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

    Tue

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

    Wed

  • AUS–BOI, 08/13/2026: From $366
    13

    Thu

  • AUS–BOI, 08/14/2026: From $129
    14

    Fri

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

    Sat

  • AUS–BOI, 08/16/2026: From $243
    16

    Sun

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

    Mon

  • AUS–BOI: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

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    19

    Wed

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

    Thu

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

    Fri

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    22

    Sat

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

    Sun

  • AUS–BOI, 08/24/2026: From $119
    24

    Mon

  • AUS–BOI, 08/25/2026: From $119
    25

    Tue

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

    Wed

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

    Thu

  • AUS–BOI, 08/28/2026: From $119
    28

    Fri

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

    Sat

  • AUS–BOI, 08/30/2026: From $119
    30

    Sun

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

    Mon

    • Range$119-$384

    *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:
    Austin-Bergstrom International Airport
    Arriving at:
    Boise Airport
    Distance:
    1375 miles

    Route Information

    124† 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 124 weekly flights from Austin to Boise on Southwest Airlines.
    To find the lowest fares by day and time to fly Austin 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 Austin 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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