Alaska Airlines Flights from Portland to Boise

Lowest fares from Portland to Boise

Aug 2026
From$239*
Seen: 11 hours ago
Flight Type One Way|Saver
Sep 2026
From$124*
Seen: 11 hours ago
Flight Type One Way|Saver
Oct 2026
From$124*
Seen: 11 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $144
cmp-daily-histogram-bars-legend-max-price-aria-label $339
Displaying fares for August-2026
  • PDX–BOI, Aug 12, 2026: From $339
    12

    We

    AUG

  • PDX–BOI, Aug 13, 2026: From $339
    13

    Th

  • PDX–BOI, Aug 14, 2026: From $339
    14

    Fr

  • PDX–BOI, Aug 15, 2026: From $339
    15

    Sa

  • PDX–BOI, Aug 16, 2026: From $339
    16

    Su

  • PDX–BOI, Aug 17, 2026: From $339
    17

    Mo

  • PDX–BOI, Aug 18, 2026: From $294
    18

    Tu

  • PDX–BOI, Aug 19, 2026: From $294
    19

    We

  • PDX–BOI, Aug 20, 2026: From $294
    20

    Th

  • PDX–BOI, Aug 21, 2026: From $294
    21

    Fr

  • PDX–BOI, Aug 22, 2026: From $294
    22

    Sa

  • PDX–BOI, Aug 23, 2026: From $294
    23

    Su

  • PDX–BOI, Aug 24, 2026: From $294
    24

    Mo

  • PDX–BOI, Aug 25, 2026: From $239
    25

    Tu

  • PDX–BOI, Aug 26, 2026: From $239
    26

    We

  • PDX–BOI, Aug 27, 2026: From $239
    27

    Th

  • PDX–BOI, Aug 28, 2026: From $239
    28

    Fr

  • PDX–BOI, Aug 29, 2026: From $239
    29

    Sa

  • PDX–BOI, Aug 30, 2026: From $239
    30

    Su

  • PDX–BOI, Aug 31, 2026: From $239
    31

    Mo

  • PDX–BOI, Sep 1, 2026: From $239
    01

    Tu

    SEP

  • PDX–BOI, Sep 2, 2026: From $189
    02

    We

  • PDX–BOI, Sep 3, 2026: From $189
    03

    Th

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

    Fr

  • PDX–BOI, Sep 5, 2026: From $182
    05

    Sa

  • PDX–BOI, Sep 6, 2026: From $189
    06

    Su

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

    Mo

  • PDX–BOI, Sep 8, 2026: From $189
    08

    Tu

  • PDX–BOI, Sep 9, 2026: From $189
    09

    We

  • PDX–BOI, Sep 10, 2026: From $189
    10

    Th

  • PDX–BOI, Sep 11, 2026: From $144
    11

    Fr

    • Range$144-$339

    *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 Portland to Boise.*

    $
    keyboard_arrow_down
    One-way low-fare flights Portland to Boise.*
    From
    To
    Fare Type
    Dates
    Price
    Portland (PDX)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 30, 2026

    From

    $124

    Seen: 11 hours ago

    Portland (PDX)Boise (BOI)One-way
    |
    Saver    		Depart: Oct 6, 2026

    From

    $124

    Seen: 11 hours ago

    Portland (PDX)Boise (BOI)One-way
    |
    Saver    		Depart: Oct 16, 2026

    From

    $124

    Seen: 11 hours ago

    Portland (PDX)Boise (BOI)One-way
    |
    Saver    		Depart: Oct 29, 2026

    From

    $124

    Seen: 11 hours ago

    Portland (PDX)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 15, 2026

    From

    $124

    Seen: 11 hours ago

    Portland (PDX)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 19, 2026

    From

    $124

    Seen: 11 hours ago

    Portland (PDX)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 22, 2026

    From

    $124

    Seen: 11 hours ago

    Portland (PDX)Boise (BOI)One-way
    |
    Saver    		Depart: Sep 16, 2026

    From

    $124

    Seen: 11 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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