Alaska Airlines Flights from Missoula to Portland

Lowest fares from Missoula to Portland

Aug 2026
From$244*
Seen: 16 hours ago
Flight Type One Way|Saver
Sep 2026
From$139*
Seen: 16 hours ago
Flight Type One Way|Saver
Oct 2026
From$139*
Seen: 16 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $139
cmp-daily-histogram-bars-legend-max-price-aria-label $484
Displaying fares for August-2026
  • MSO–PDX, Aug 13, 2026: From $419
    13

    Th

    AUG

  • MSO–PDX, Aug 14, 2026: From $419
    14

    Fr

  • MSO–PDX, Aug 15, 2026: From $409
    15

    Sa

  • MSO–PDX, Aug 16, 2026: From $419
    16

    Su

  • MSO–PDX, Aug 17, 2026: From $409
    17

    Mo

  • MSO–PDX, Aug 18, 2026: From $409
    18

    Tu

  • MSO–PDX, Aug 19, 2026: From $324
    19

    We

  • MSO–PDX, Aug 20, 2026: From $324
    20

    Th

  • MSO–PDX, Aug 21, 2026: From $324
    21

    Fr

  • MSO–PDX, Aug 22, 2026: From $324
    22

    Sa

  • MSO–PDX, Aug 23, 2026: From $324
    23

    Su

  • MSO–PDX, Aug 24, 2026: From $334
    24

    Mo

  • MSO–PDX, Aug 25, 2026: From $324
    25

    Tu

  • MSO–PDX, Aug 26, 2026: From $244
    26

    We

  • MSO–PDX, Aug 27, 2026: From $244
    27

    Th

  • MSO–PDX, Aug 28, 2026: From $244
    28

    Fr

  • MSO–PDX, Aug 29, 2026: From $244
    29

    Sa

  • MSO–PDX, Aug 30, 2026: From $334
    30

    Su

  • MSO–PDX, Aug 31, 2026: From $244
    31

    Mo

  • MSO–PDX, Sep 1, 2026: From $209
    01

    Tu

    SEP

  • MSO–PDX, Sep 2, 2026: From $209
    02

    We

  • MSO–PDX, Sep 3, 2026: From $209
    03

    Th

  • MSO–PDX, Sep 4, 2026: From $209
    04

    Fr

  • MSO–PDX, Sep 5, 2026: From $209
    05

    Sa

  • MSO–PDX, Sep 6, 2026: From $244
    06

    Su

  • MSO–PDX, Sep 7, 2026: From $484
    07

    Mo

  • MSO–PDX, Sep 8, 2026: From $289
    08

    Tu

  • MSO–PDX, Sep 9, 2026: From $209
    09

    We

  • MSO–PDX, Sep 10, 2026: From $144
    10

    Th

  • MSO–PDX, Sep 11, 2026: From $209
    11

    Fr

  • MSO–PDX, Sep 12, 2026: From $139
    12

    Sa

    • Range$139-$484

    *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 Missoula to Portland.*

    $
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    One-way low-fare flights Missoula to Portland.*
    From
    To
    Fare Type
    Dates
    Price
    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Nov 17, 2026

    From

    $139

    Seen: 16 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $139

    Seen: 16 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 15, 2026

    From

    $139

    Seen: 16 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 16, 2026

    From

    $139

    Seen: 16 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Oct 27, 2026

    From

    $139

    Seen: 16 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Nov 3, 2026

    From

    $139

    Seen: 16 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Nov 18, 2026

    From

    $139

    Seen: 16 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Sep 30, 2026

    From

    $139

    Seen: 16 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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