Alaska Airlines Flights from Boise to Phoenix

Lowest fares from Boise to Phoenix

Aug 2026
From$159*
Seen: 5 hours ago
Flight Type One Way|Saver
Sep 2026
From$129*
Seen: 5 hours ago
Flight Type One Way|Saver
Oct 2026
From$129*
Seen: 5 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $132
cmp-daily-histogram-bars-legend-max-price-aria-label $264
Displaying fares for August-2026
  • BOI–PHX, Aug 8, 2026: From $214
    08

    Sa

    AUG

  • BOI–PHX, Aug 9, 2026: From $264
    09

    Su

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

    Mo

  • BOI–PHX, Aug 11, 2026: From $214
    11

    Tu

  • BOI–PHX, Aug 12, 2026: From $214
    12

    We

  • BOI–PHX, Aug 13, 2026: From $224
    13

    Th

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

    Fr

  • BOI–PHX, Aug 15, 2026: From $214
    15

    Sa

  • BOI–PHX, Aug 16, 2026: From $234
    16

    Su

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

    Mo

  • BOI–PHX, Aug 18, 2026: From $214
    18

    Tu

  • BOI–PHX, Aug 19, 2026: From $214
    19

    We

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

    Th

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

    Fr

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

    Sa

  • BOI–PHX, Aug 23, 2026: From $194
    23

    Su

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

    Mo

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

    Tu

  • BOI–PHX, Aug 26, 2026: From $184
    26

    We

  • BOI–PHX, Aug 27, 2026: From $184
    27

    Th

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

    Fr

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

    Sa

  • BOI–PHX, Aug 30, 2026: From $169
    30

    Su

  • BOI–PHX, Aug 31, 2026: From $159
    31

    Mo

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

    Tu

    SEP

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

    We

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

    Th

  • BOI–PHX, Sep 4, 2026: From $189
    04

    Fr

  • BOI–PHX, Sep 5, 2026: From $132
    05

    Sa

  • BOI–PHX, Sep 6, 2026: From $132
    06

    Su

  • BOI–PHX, Sep 7, 2026: From $189
    07

    Mo

    • Range$132-$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: Nov 17, 2026

    From

    $129

    Seen: 5 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Dec 12, 2026

    From

    $129

    Seen: 5 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Sep 16, 2026

    From

    $129

    Seen: 5 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Sep 19, 2026

    From

    $129

    Seen: 5 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Sep 29, 2026

    From

    $129

    Seen: 5 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Oct 6, 2026

    From

    $129

    Seen: 5 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Oct 13, 2026

    From

    $129

    Seen: 5 hours ago

    Boise (BOI)Phoenix (PHX)One-way
    |
    Saver    		Depart: Oct 17, 2026

    From

    $129

    Seen: 5 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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