Alaska Airlines Flights from Seattle to Missoula

Lowest fares from Seattle to Missoula

Aug 2026
From$224*
Seen: 12 hours ago
Flight Type One Way|Saver
Sep 2026
From$139*
Seen: 12 hours ago
Flight Type One Way|Saver
Oct 2026
From$139*
Seen: 12 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $164
cmp-daily-histogram-bars-legend-max-price-aria-label $394
Displaying fares for August-2026
  • SEA–MSO, Aug 12, 2026: From $394
    12

    We

    AUG

  • SEA–MSO, Aug 13, 2026: From $394
    13

    Th

  • SEA–MSO, Aug 14, 2026: From $394
    14

    Fr

  • SEA–MSO, Aug 15, 2026: From $394
    15

    Sa

  • SEA–MSO, Aug 16, 2026: From $394
    16

    Su

  • SEA–MSO, Aug 17, 2026: From $394
    17

    Mo

  • SEA–MSO, Aug 18, 2026: From $309
    18

    Tu

  • SEA–MSO, Aug 19, 2026: From $309
    19

    We

  • SEA–MSO, Aug 20, 2026: From $309
    20

    Th

  • SEA–MSO, Aug 21, 2026: From $309
    21

    Fr

  • SEA–MSO, Aug 22, 2026: From $309
    22

    Sa

  • SEA–MSO, Aug 23, 2026: From $309
    23

    Su

  • SEA–MSO, Aug 24, 2026: From $309
    24

    Mo

  • SEA–MSO, Aug 25, 2026: From $224
    25

    Tu

  • SEA–MSO, Aug 26, 2026: From $224
    26

    We

  • SEA–MSO, Aug 27, 2026: From $224
    27

    Th

  • SEA–MSO, Aug 28, 2026: From $224
    28

    Fr

  • SEA–MSO, Aug 29, 2026: From $224
    29

    Sa

  • SEA–MSO, Aug 30, 2026: From $224
    30

    Su

  • SEA–MSO, Aug 31, 2026: From $224
    31

    Mo

  • SEA–MSO, Sep 1, 2026: From $194
    01

    Tu

    SEP

  • SEA–MSO, Sep 2, 2026: From $194
    02

    We

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

    Th

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

    Fr

  • SEA–MSO, Sep 5, 2026: From $194
    05

    Sa

  • SEA–MSO, Sep 6, 2026: From $194
    06

    Su

  • SEA–MSO, Sep 7, 2026: From $194
    07

    Mo

  • SEA–MSO, Sep 8, 2026: From $194
    08

    Tu

  • SEA–MSO, Sep 9, 2026: From $194
    09

    We

  • SEA–MSO, Sep 10, 2026: From $164
    10

    Th

  • SEA–MSO, Sep 11, 2026: From $164
    11

    Fr

    • Range$164-$394

    *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 Seattle to Missoula.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to Missoula.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Sep 29, 2026

    From

    $139

    Seen: 12 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Oct 24, 2026

    From

    $139

    Seen: 12 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Oct 27, 2026

    From

    $139

    Seen: 12 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Sep 19, 2026

    From

    $139

    Seen: 12 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Oct 20, 2026

    From

    $139

    Seen: 12 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Oct 28, 2026

    From

    $139

    Seen: 12 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Sep 15, 2026

    From

    $159

    Seen: 12 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Sep 23, 2026

    From

    $159

    Seen: 12 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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