Flights from Seattle (SEA) to Missoula (MSO) on Alaska Airlines

Lowest fares from Seattle to Missoula

Oct 2026
From$244*
Seen: 14 hours ago
Flight Type One Way|Saver
Nov 2026
From$139*
Seen: 14 hours ago
Flight Type One Way|Saver
Dec 2026
From$139*
Seen: 14 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 $414
Displaying fares for October-2026
  • SEA–MSO, Oct 15, 2026: From $414
    15

    Th

    OCT

  • SEA–MSO, Oct 16, 2026: From $414
    16

    Fr

  • SEA–MSO, Oct 17, 2026: From $414
    17

    Sa

  • SEA–MSO, Oct 18, 2026: From $414
    18

    Su

  • SEA–MSO, Oct 19, 2026: From $414
    19

    Mo

  • SEA–MSO, Oct 20, 2026: From $414
    20

    Tu

  • SEA–MSO, Oct 21, 2026: From $329
    21

    We

  • SEA–MSO, Oct 22, 2026: From $329
    22

    Th

  • SEA–MSO, Oct 23, 2026: From $329
    23

    Fr

  • SEA–MSO, Oct 24, 2026: From $329
    24

    Sa

  • SEA–MSO, Oct 25, 2026: From $329
    25

    Su

  • SEA–MSO, Oct 26, 2026: From $329
    26

    Mo

  • SEA–MSO, Oct 27, 2026: From $329
    27

    Tu

  • SEA–MSO, Oct 28, 2026: From $244
    28

    We

  • SEA–MSO, Oct 29, 2026: From $244
    29

    Th

  • SEA–MSO, Oct 30, 2026: From $244
    30

    Fr

  • SEA–MSO, Oct 31, 2026: From $244
    31

    Sa

  • SEA–MSO, Nov 1, 2026: From $244
    01

    Su

    NOV

  • SEA–MSO, Nov 2, 2026: From $244
    02

    Mo

  • SEA–MSO, Nov 3, 2026: From $244
    03

    Tu

  • SEA–MSO, Nov 4, 2026: From $214
    04

    We

  • SEA–MSO, Nov 5, 2026: From $214
    05

    Th

  • SEA–MSO, Nov 6, 2026: From $214
    06

    Fr

  • SEA–MSO, Nov 7, 2026: From $214
    07

    Sa

  • SEA–MSO, Nov 8, 2026: From $214
    08

    Su

  • SEA–MSO, Nov 9, 2026: From $214
    09

    Mo

  • SEA–MSO, Nov 10, 2026: From $214
    10

    Tu

  • SEA–MSO, Nov 11, 2026: From $214
    11

    We

  • SEA–MSO, Nov 12, 2026: From $214
    12

    Th

  • SEA–MSO, Nov 13, 2026: From $164
    13

    Fr

  • SEA–MSO, Nov 14, 2026: From $139
    14

    Sa

    • Range$139-$414

    *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: Nov 17, 2026

    From

    $139

    Seen: 14 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Dec 9, 2026

    From

    $139

    Seen: 14 hours ago

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

    From

    $139

    Seen: 14 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Jan 20, 2027

    From

    $139

    Seen: 14 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Jan 27, 2027

    From

    $139

    Seen: 14 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Feb 10, 2027

    From

    $139

    Seen: 14 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Dec 5, 2026

    From

    $139

    Seen: 14 hours ago

    Seattle (SEA)Missoula (MSO)One-way
    |
    Saver    		Depart: Jan 9, 2027

    From

    $139

    Seen: 14 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.

    Frequently Asked Questions on flights from Seattle (SEA) to Missoula (MSO)

    When is the best time to book a flight from Seattle to Missoula?

    Want to find the lowest fares by day and time flying from Seattle to Missoula on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to Missoula?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at Missoula International Airport?

    Yes, you can rent a car at Missoula International Airport. Check availability and book now

    Where can I find the status of my flight to Missoula?

    You can check the status of your upcoming Alaska Airlines flight on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to Missoula?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

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