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

Landing cheap one-way Alaska Airlines flights from MSO to PDX on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares for your next getaway.**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 Portland are often cheaper in the off-peak months of January and December. Whether you’re searching for a one-way or round-trip ticket, you could land a better deal then.

Start searching one to three months before your departure to score cheap fares on Alaska Airlines flights from Missoula Intl. Airport (MSO) to Portland Intl. Airport (PDX). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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.

Yes, you can travel from Missoula Intl. Airport (MSO) to Portland Intl. Airport (PDX) on one of Alaska Airlines’s 4 weekly direct flights. Make use of our “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll get you to PDX at a time that suits you.

On average, it takes 1h 38m to travel nonstop from Missoula Intl. Airport (MSO) to Portland Intl. Airport (PDX) with Alaska Airlines.

Departing MSO at 4:12PM UTC-7, the earliest Alaska Airlines flight to PDX lands at 4:50PM UTC-8. Traveling earlier in the day means you’re less likely to encounter delays.* Not a morning person? The last Alaska Airlines flight from MSO to PDX departs at 4:12PM UTC-7 and touches down at 4:50PM UTC-8.*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.

Alaska Airlines flights from Missoula Intl. Airport (MSO) to Portland come in to Portland Intl. Airport (PDX). This is the main entry point to this destination.

Alaska Airlines makes flying from MSO to PDX more enjoyable with a rewarding loyalty program and top-tier customer service. You also have the chance to earn points with Mileage Plan. Don’t forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Alaska Airlines generally operates Embraer 175 planes for flights from Missoula Intl. Airport (MSO) to Portland Intl. Airport (PDX). Bear in mind that aircraft type can change depending on operational demands, so the plane you board might be different on the day.

Changes are usually free within 24 hours of booking, but your airline may charge you after that time. For further information about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your plans without extra charges, check the “No cancel fee” or “Changes included” filter when planning your next adventure.