Flights from Missoula (MSO) to Portland (PDX) on Alaska Airlines

Lowest fares from Missoula to Portland

Nov 2026
From$269*
Seen: 18 hours ago
Flight Type One Way|Saver
Dec 2026
From$139*
Seen: 18 hours ago
Flight Type One Way|Saver
Jan 2027
From$139*
Seen: 18 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 $454
Displaying fares for November-2026
  • MSO–PDX, Nov 11, 2026: From $454
    11

    We

    NOV

  • MSO–PDX, Nov 12, 2026: From $444
    12

    Th

  • MSO–PDX, Nov 13, 2026: From $444
    13

    Fr

  • MSO–PDX, Nov 14, 2026: From $444
    14

    Sa

  • MSO–PDX, Nov 15, 2026: From $444
    15

    Su

  • MSO–PDX, Nov 16, 2026: From $369
    16

    Mo

  • MSO–PDX, Nov 17, 2026: From $359
    17

    Tu

  • MSO–PDX, Nov 18, 2026: From $359
    18

    We

  • MSO–PDX, Nov 19, 2026: From $359
    19

    Th

  • MSO–PDX, Nov 20, 2026: From $359
    20

    Fr

  • MSO–PDX, Nov 21, 2026: From $359
    21

    Sa

  • MSO–PDX, Nov 22, 2026: From $359
    22

    Su

  • MSO–PDX, Nov 23, 2026: From $269
    23

    Mo

  • MSO–PDX, Nov 24, 2026: From $369
    24

    Tu

  • MSO–PDX, Nov 25, 2026: From $359
    25

    We

  • MSO–PDX, Nov 26, 2026: From $269
    26

    Th

  • MSO–PDX, Nov 27, 2026: From $269
    27

    Fr

  • MSO–PDX, Nov 28, 2026: From $309
    28

    Sa

  • MSO–PDX, Nov 29, 2026: From $454
    29

    Su

  • MSO–PDX, Nov 30, 2026: From $299
    30

    Mo

  • MSO–PDX, Dec 1, 2026: From $244
    01

    Tu

    DEC

  • MSO–PDX, Dec 2, 2026: From $244
    02

    We

  • MSO–PDX, Dec 3, 2026: From $244
    03

    Th

  • MSO–PDX, Dec 4, 2026: From $234
    04

    Fr

  • MSO–PDX, Dec 5, 2026: From $234
    05

    Sa

  • MSO–PDX, Dec 6, 2026: From $234
    06

    Su

  • MSO–PDX, Dec 7, 2026: From $234
    07

    Mo

  • MSO–PDX, Dec 8, 2026: From $234
    08

    Tu

  • MSO–PDX, Dec 9, 2026: From $139
    09

    We

  • MSO–PDX, Dec 10, 2026: From $154
    10

    Th

    • Range$139-$454

    *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.*

    $
    keyboard_arrow_down
    One-way low-fare flights Missoula to Portland.*
    From
    To
    Fare Type
    Dates
    Price
    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Feb 9, 2027

    From

    $139

    Seen: 18 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Feb 20, 2027

    From

    $139

    Seen: 18 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Feb 23, 2027

    From

    $139

    Seen: 18 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Feb 24, 2027

    From

    $139

    Seen: 18 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Mar 3, 2027

    From

    $139

    Seen: 18 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Mar 9, 2027

    From

    $139

    Seen: 18 hours ago

    Missoula (MSO)Portland (PDX)One-way
    |
    Saver    		Depart: Mar 10, 2027

    From

    $139

    Seen: 18 hours ago

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

    From

    $139

    Seen: 18 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 Missoula (MSO) to Portland (PDX)

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

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

    Can I earn points on my flight to Portland?

    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 Portland International Airport?

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

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

    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 Portland?

    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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