Flights from Boise, ID to Phoenix, AZ

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Best Deals on Flights From Boise, ID (BOI) to Phoenix, AZ (PHX)

Nov 2026
from$86*
Last seen: 14 hours ago
One-way/Economy
Dec 2026
from$86*
Last seen: 13 hours ago
One-way/Economy
Jan 2027
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cmp-daily-histogram-bars-legend-min-price-aria-label $86
Displaying fares for November-2026
  • BOI–PHX: cmp-view-offers-disclaimer. Find Offers
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    NOV

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  • BOI–PHX, Nov 8, 2026: from $184
    08

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  • BOI–PHX, Nov 12, 2026: from $184
    12

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    13

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

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  • BOI–PHX, Nov 15, 2026: from $178
    15

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  • BOI–PHX, Nov 19, 2026: from $143
    19

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    20

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    21

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  • BOI–PHX, Nov 22, 2026: from $143
    22

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    23

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  • BOI–PHX, Nov 24, 2026: from $86
    24

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    25

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    27

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    28

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  • BOI–PHX, Nov 29, 2026: from $185
    29

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    30

    Mon

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    01

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    DEC

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    • Range$86-$185

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Boise, ID to Phoenix, AZ on Frontier

    $
    Flights Deals from Boise, ID to Phoenix, AZ on Frontier
    From
    To
    Boise, ID (BOI)Phoenix, AZ (PHX)One-way
    /
    Discount Den Basic Fare    		Departing Mar 14, 2027

    From

    $219

    Last seen: 1 hour ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Boise, ID Phoenix, AZ

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