Cheap Alaska Airlines flights Boston (BOS) to Missoula (MSO)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Alaska Airlines return flights from $308 from BOS to MSO. Affordable one-way fares are available as well.**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 low-season months of January and February. Whether you’re in search of a one-way or round-trip ticket, you could find a better deal then.

For cheap Alaska Airlines fares from Logan Intl. Airport (BOS) to Missoula Intl. Airport (MSO), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the price you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.

Fill in your dates, press search and check the “Nonstop” filter on Expedia to find any direct flights from BOS to MSO with Alaska Airlines or other airlines.

To find the earliest departures from BOS to MSO with Alaska Airlines, filter your search by “Morning” and “Early Morning.” Choosing an early flight usually means you’re less likely to experience cancellations.**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 Logan Intl. Airport (BOS) to Missoula touch down at Missoula Intl. Airport (MSO). This is the main gateway to this destination.

With an excellent in-flight experience and a rewarding loyalty program, Alaska Airlines is a favorite for many passengers heading from BOS to MSO. Plus, if you’re a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee will generally apply if you cancel or change your booking more than 24 hours after it’s been confirmed. To secure tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while looking for flights. For more details on canceling or modifying your reservation, visit “Trips,” select your flight and tick “Manage Booking.”