Cheap Alaska Airlines flights Portland (PDX) to Missoula (MSO)

Grab affordable round-trip Alaska Airlines flights from PDX to MSO by filtering your results from “Price (lowest to highest)” on Expedia. Or look for options for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines flights to Missoula are usually more affordable in the off-peak months of January and February. Whether you’re after a round-trip or one-way ticket, you could find a better deal then.

Search for cheap Alaska Airlines flights from Portland Intl. Airport (PDX) to Missoula Intl. Airport (MSO) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Choose from one of Alaska Airlines’s 4 direct weekly flights from Portland Intl. Airport (PDX) to Missoula Intl. Airport (MSO). To see what’s available, enter your travel dates, origin and destination and hit search. Then use the “Nonstop” and “Airline” filters.

Leave Portland Intl. Airport (PDX) for Missoula Intl. Airport (MSO) on a direct Alaska Airlines flight, and you’ll be in the skies for around 1h 15m.

Departing PDX at 1:17PM UTC-8, the earliest Alaska Airlines flight to MSO lands at 3:32PM UTC-7. Traveling earlier in the day means you’re less likely to encounter cancellations or delays.* Prefer a later start? The last Alaska Airlines flight from PDX to MSO departs at 1:17PM UTC-8 and touches down at 3:32PM UTC-7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Get on an Alaska Airlines flight from Portland Intl. Airport (PDX) to Missoula, and you’re most likely to touch down at Missoula Intl. Airport (MSO). This is the airline’s main hub in this city.

With a rewarding loyalty program and top-tier customer service, Alaska Airlines is a popular option for many passengers heading from PDX to MSO. Plus, if you’re a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Catch an Alaska Airlines flight from Portland Intl. Airport (PDX) to Missoula Intl. Airport (MSO), and you’ll likely be seated on an Embraer 175. Bear in mind though, that the aircraft type can change due to operational demands.

Depending on the type of ticket you purchased, a fee generally applies if you cancel or change your flight more than 24 hours after it’s confirmed. To find plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when you search for flights. For more information on canceling or changing your reservation, go to “Trips,” select your flight and click on “Manage Booking.”