$153 Cheap Alaska Airlines flights Boston (BOS) to Boise (BOI)

Grab cheap return Alaska Airlines flights from BOS to BOI by sorting your results from “Price (lowest to highest)” on Expedia. Or look for options from $153 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 Boise are usually more affordable in the off-peak months of January and December. Whether you need a one-way or a return ticket, you could score a better deal then.

Start searching one to three months ahead of your departure date to find cheap fares on Alaska Airlines flights from Logan Intl. Airport (BOS) to Boise Airport (BOI). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to 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 right, and you can enjoy significant savings on domestic journeys.*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.

Click on our “Nonstop” filter when browsing for direct Alaska Airlines flights from BOS to BOI. You’ll also be able to compare other airlines offering the same direct trip.

Find Alaska Airlines’s earliest flights from BOS to BOI by checking our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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.

Boise Airport (BOI) is the main Boise hub for Alaska Airlines flights from Logan Intl. Airport (BOS).

Alaska Airlines makes traveling from BOS to BOI more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Mileage Plan. Remember to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of making a booking, but your airline may charge you after that time. For more details about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your itinerary without being charged, check the “Changes included” and “No cancel fee” filters when planning your next getaway.