Alaska Airlines Flights from Billings to Boise

Lowest fares from Billings to Boise

Sep 2026
From$293*
Seen: 4 hours ago
Flight Type One Way|Saver
Oct 2026
From$243*
Seen: 25 minutes ago
Flight Type One Way|Saver
Nov 2026
Try another month to see offers
cmp-daily-histogram-bars-legend-min-price-aria-label $243
Displaying fares for September-2026
  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    10

    Th

    SEP

  • BIL–BOI, Sep 11, 2026: From $443
    11

    Fr

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    12

    Sa

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    13

    Su

  • BIL–BOI, Sep 14, 2026: From $438
    14

    Mo

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    15

    Tu

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

    We

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    17

    Th

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    18

    Fr

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    19

    Sa

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    20

    Su

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

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

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

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  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    24

    Th

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    25

    Fr

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    26

    Sa

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

    Su

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    28

    Mo

  • BIL–BOI, Sep 29, 2026: From $293
    29

    Tu

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    30

    We

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

    Th

    OCT

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    02

    Fr

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

    Sa

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    04

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  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    05

    Mo

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    06

    Tu

  • BIL–BOI, Oct 7, 2026: From $243
    07

    We

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

    Th

  • BIL–BOI: cmp-view-offers-disclaimer. Find Offers
    09

    Fr

    • Range$243-$443

    *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 Billings to Boise.*

    $
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    One-way low-fare flights Billings to Boise.*
    From
    To
    Fare Type
    Dates
    Price
    Billings (BIL)Boise (BOI)One-way
    |
    Saver    		Depart: Oct 7, 2026

    From

    $243

    Seen: 25 minutes ago

    Billings (BIL)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 29, 2026

    From

    $293

    Seen: 4 hours ago

    Billings (BIL)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 14, 2026

    From

    $438

    Seen: 2 hours ago

    Billings (BIL)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 11, 2026

    From

    $443

    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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