Southwest® flights from Boise to Phoenix from $115

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Low fares from Boise to Phoenix

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Boise (BOI)to

Phoenix (PHX)
Depart: 12/16/2026

One-way

Basic

From
$115
Seen: 16 hrs ago

Boise (BOI)to

Phoenix (PHX)
Depart: 12/15/2026

One-way

Basic

From
$115
Seen: 11 hrs ago

Boise (BOI)to

Phoenix (PHX)
Depart: 01/06/2027

One-way

Basic

From
$134
Seen: 9 hrs ago

Boise (BOI)to

Phoenix (PHX)
Depart: 01/12/2027

One-way

Basic

From
$134
Seen: 20 hrs ago

Boise (BOI)to

Phoenix (PHX)
Depart: 01/26/2027

One-way

Basic

From
$134
Seen: 18 hrs ago

Boise (BOI)to

Phoenix (PHX)
Depart: 01/30/2027

One-way

Basic

From
$134
Seen: 4 hrs ago

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Explore flights from Boise to Phoenix

Nov 2026
From$209*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$115*
Seen: 16 hrs ago
One Way/Basic
Jan 2027
From$134*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $144
cmp-daily-histogram-bars-legend-max-price-aria-label $299
Displaying fares for November-2026
  • BOI–PHX: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

    NOV

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

    Fri

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

    Sat

  • BOI–PHX, 11/15/2026: From $249
    15

    Sun

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

    Mon

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

    Tue

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

    Wed

  • BOI–PHX, 11/19/2026: From $299
    19

    Thu

  • BOI–PHX, 11/20/2026: From $299
    20

    Fri

  • BOI–PHX, 11/21/2026: From $259
    21

    Sat

  • BOI–PHX, 11/22/2026: From $249
    22

    Sun

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

    Mon

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

    Tue

  • BOI–PHX, 11/25/2026: From $249
    25

    Wed

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

    Thu

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

    Fri

  • BOI–PHX, 11/28/2026: From $209
    28

    Sat

  • BOI–PHX, 11/29/2026: From $299
    29

    Sun

  • BOI–PHX, 11/30/2026: From $209
    30

    Mon

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

    Tue

    DEC

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

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

  • BOI–PHX, 12/08/2026: From $170
    08

    Tue

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

    Wed

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

    Thu

  • BOI–PHX, 12/11/2026: From $144
    11

    Fri

    • Range$144-$299

    *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:
    Sky Harbor International Airport
    Average flight time:
    2 hours 3 minutes
    Distance:
    735 miles

    Questions we hear the most

    The average flight time from Boise to Phoenix is 2 hours 3 minutes.
    There are 153 weekly flights from Boise to Phoenix on Southwest Airlines.
    Yes, Southwest flies nonstop from Boise to Phoenix 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Boise to Phoenix once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Boise to Phoenix with Southwest, check out our Low Fare Calendar.
    You can rent a car at Sky Harbor International Airport book yours with your flight.
    Yes! Flights from Boise to Phoenix—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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