Southwest® flights from Phoenix to Boise from $115

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Low fares from Phoenix to Boise

$

Phoenix (PHX)to

Boise (BOI)
Depart: 12/12/2026

One-way

Basic

From
$115
Seen: 3 hrs ago

Phoenix (PHX)to

Boise (BOI)
Depart: 12/15/2026

One-way

Basic

From
$115
Seen: 5 hrs ago

Phoenix (PHX)to

Boise (BOI)
Depart: 02/03/2027

One-way

Basic

From
$134
Seen: 21 hrs ago

Phoenix (PHX)to

Boise (BOI)
Depart: 12/30/2026

One-way

Basic

From
$134
Seen: 9 hrs ago

Phoenix (PHX)to

Boise (BOI)
Depart: 02/02/2027

One-way

Basic

From
$134
Seen: 7 hrs ago

Phoenix (PHX)to

Boise (BOI)
Depart: 01/06/2027

One-way

Basic

From
$134
Seen: 3 hrs ago

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Explore flights from Phoenix to Boise

Nov 2026
From$209*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$115*
Seen: 3 hrs ago
One Way/Basic
Jan 2027
From$134*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $170
cmp-daily-histogram-bars-legend-max-price-aria-label $448
Displaying fares for November-2026
  • PHX–BOI: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

    NOV

  • PHX–BOI, 11/12/2026: From $249
    12

    Thu

  • PHX–BOI, 11/13/2026: From $249
    13

    Fri

  • PHX–BOI, 11/14/2026: From $249
    14

    Sat

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

    Sun

  • PHX–BOI, 11/16/2026: From $259
    16

    Mon

  • PHX–BOI, 11/17/2026: From $249
    17

    Tue

  • PHX–BOI, 11/18/2026: From $249
    18

    Wed

  • PHX–BOI, 11/19/2026: From $249
    19

    Thu

  • PHX–BOI, 11/20/2026: From $249
    20

    Fri

  • PHX–BOI, 11/21/2026: From $249
    21

    Sat

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

    Sun

  • PHX–BOI, 11/23/2026: From $249
    23

    Mon

  • PHX–BOI, 11/24/2026: From $249
    24

    Tue

  • PHX–BOI, 11/25/2026: From $209
    25

    Wed

  • PHX–BOI, 11/26/2026: From $209
    26

    Thu

  • PHX–BOI, 11/27/2026: From $269
    27

    Fri

  • PHX–BOI, 11/28/2026: From $448
    28

    Sat

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

    Sun

  • PHX–BOI, 11/30/2026: From $249
    30

    Mon

  • PHX–BOI, 12/01/2026: From $239
    01

    Tue

    DEC

  • PHX–BOI, 12/02/2026: From $170
    02

    Wed

  • PHX–BOI, 12/03/2026: From $184
    03

    Thu

  • PHX–BOI, 12/04/2026: From $184
    04

    Fri

  • PHX–BOI, 12/05/2026: From $170
    05

    Sat

  • PHX–BOI, 12/06/2026: From $184
    06

    Sun

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

    Mon

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

    Tue

  • PHX–BOI, 12/09/2026: From $170
    09

    Wed

  • PHX–BOI, 12/10/2026: From $184
    10

    Thu

    • Range$170-$448

    *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:
    Sky Harbor International Airport
    Arriving at:
    Boise Airport
    Average flight time:
    2 hours 7 minutes
    Distance:
    735 miles

    Questions we hear the most

    The average flight time from Phoenix to Boise is 2 hours 7 minutes.
    There are 134 weekly flights from Phoenix to Boise on Southwest Airlines.
    Yes, Southwest flies nonstop from Phoenix to Boise 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Phoenix to Boise once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Phoenix 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 Phoenix 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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