Southwest® flights from Boise to Austin from $120

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Low fares from Boise to Austin

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Boise (BOI)to

Austin (AUS)
Depart: 01/05/2027

One-way

Basic

From
$120
Seen: 18 hrs ago

Boise (BOI)to

Austin (AUS)
Depart: 12/09/2026

One-way

Basic

From
$120
Seen: 18 hrs ago

Boise (BOI)to

Austin (AUS)
Depart: 12/05/2026

One-way

Basic

From
$120
Seen: 9 hrs ago

Boise (BOI)to

Austin (AUS)
Depart: 01/28/2027

One-way

Basic

From
$120
Seen: 13 hrs ago

Boise (BOI)to

Austin (AUS)
Depart: 11/18/2026

One-way

Basic

From
$120
Seen: 20 hrs ago

Boise (BOI)to

Austin (AUS)
Depart: 01/13/2027

One-way

Basic

From
$120
Seen: 12 hrs ago

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Explore flights from Boise to Austin

Oct 2026
From$310*
Seen: 10 hrs ago
One Way/Basic
Nov 2026
From$120*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$120*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $120
cmp-daily-histogram-bars-legend-max-price-aria-label $386
Displaying fares for October-2026
  • BOI–AUS, 10/21/2026: From $310
    21

    Wed

    OCT

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

    Thu

  • BOI–AUS, 10/23/2026: From $386
    23

    Fri

  • BOI–AUS, 10/24/2026: From $310
    24

    Sat

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    25

    Sun

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

    Mon

  • BOI–AUS, 10/27/2026: From $310
    27

    Tue

  • BOI–AUS, 10/28/2026: From $310
    28

    Wed

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    29

    Thu

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

    Fri

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

    Sat

  • BOI–AUS, 11/01/2026: From $386
    01

    Sun

    NOV

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

    Mon

  • BOI–AUS, 11/03/2026: From $310
    03

    Tue

  • BOI–AUS, 11/04/2026: From $183
    04

    Wed

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    05

    Thu

  • BOI–AUS, 11/06/2026: From $290
    06

    Fri

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    07

    Sat

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    08

    Sun

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    09

    Mon

  • BOI–AUS, 11/10/2026: From $120
    10

    Tue

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

    Wed

  • BOI–AUS, 11/12/2026: From $167
    12

    Thu

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    13

    Fri

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

    Sat

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    15

    Sun

  • BOI–AUS, 11/16/2026: From $222
    16

    Mon

  • BOI–AUS, 11/17/2026: From $120
    17

    Tue

  • BOI–AUS, 11/18/2026: From $120
    18

    Wed

  • BOI–AUS, 11/19/2026: From $257
    19

    Thu

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

    Fri

    • Range$120-$386

    *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:
    Austin-Bergstrom International Airport
    Distance:
    1375 miles

    Questions we hear the most

    There are 134 weekly flights from Boise to Austin on Southwest Airlines.
    To find the lowest fares by day and time to fly Boise to Austin with Southwest, check out our Low Fare Calendar.
    You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
    Yes! Flights from Boise to Austin—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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