Alaska Airlines Flights from Boise to Phoenix

Lowest fares from Boise to Phoenix

Sep 2026
From$159*
Seen: 19 hours ago
Flight Type One Way|Saver
Oct 2026
From$129*
Seen: 19 hours ago
Flight Type One Way|Saver
Nov 2026
From$129*
Seen: 19 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $264
Displaying fares for September-2026
  • BOI–PHX, Sep 7, 2026: From $264
    07

    Mo

    SEP

  • BOI–PHX, Sep 8, 2026: From $234
    08

    Tu

  • BOI–PHX, Sep 9, 2026: From $224
    09

    We

  • BOI–PHX, Sep 10, 2026: From $224
    10

    Th

  • BOI–PHX, Sep 11, 2026: From $224
    11

    Fr

  • BOI–PHX, Sep 12, 2026: From $224
    12

    Sa

  • BOI–PHX, Sep 13, 2026: From $234
    13

    Su

  • BOI–PHX, Sep 14, 2026: From $224
    14

    Mo

  • BOI–PHX, Sep 15, 2026: From $224
    15

    Tu

  • BOI–PHX, Sep 16, 2026: From $224
    16

    We

  • BOI–PHX, Sep 17, 2026: From $224
    17

    Th

  • BOI–PHX, Sep 18, 2026: From $224
    18

    Fr

  • BOI–PHX, Sep 19, 2026: From $184
    19

    Sa

  • BOI–PHX, Sep 20, 2026: From $224
    20

    Su

  • BOI–PHX, Sep 21, 2026: From $184
    21

    Mo

  • BOI–PHX, Sep 22, 2026: From $184
    22

    Tu

  • BOI–PHX, Sep 23, 2026: From $184
    23

    We

  • BOI–PHX, Sep 24, 2026: From $184
    24

    Th

  • BOI–PHX, Sep 25, 2026: From $184
    25

    Fr

  • BOI–PHX, Sep 26, 2026: From $159
    26

    Sa

  • BOI–PHX, Sep 27, 2026: From $244
    27

    Su

  • BOI–PHX, Sep 28, 2026: From $159
    28

    Mo

  • BOI–PHX, Sep 29, 2026: From $159
    29

    Tu

  • BOI–PHX, Sep 30, 2026: From $159
    30

    We

  • BOI–PHX, Oct 1, 2026: From $159
    01

    Th

    OCT

  • BOI–PHX, Oct 2, 2026: From $159
    02

    Fr

  • BOI–PHX, Oct 3, 2026: From $159
    03

    Sa

  • BOI–PHX, Oct 4, 2026: From $159
    04

    Su

  • BOI–PHX, Oct 5, 2026: From $139
    05

    Mo

  • BOI–PHX, Oct 6, 2026: From $129
    06

    Tu

    • Range$129-$264

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Boise to Phoenix.*

    $
    keyboard_arrow_down
    One-way low-fare flights Boise to Phoenix.*
    From
    To
    Fare Type
    Dates
    Price
    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Dec 12, 2026

    From

    $129

    Seen: 19 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Jan 5, 2027

    From

    $129

    Seen: 19 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Jan 6, 2027

    From

    $129

    Seen: 19 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Jan 9, 2027

    From

    $129

    Seen: 19 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Jan 13, 2027

    From

    $129

    Seen: 19 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Jan 23, 2027

    From

    $129

    Seen: 19 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Jan 26, 2027

    From

    $129

    Seen: 19 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Jan 30, 2027

    From

    $129

    Seen: 19 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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