$155 Cheap Delta flights Missoula (MSO) to Boston (BOS)

You’ll find affordable return Delta Air Lines flights from $309 from MSO to BOS by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $155 for a one-way trip.**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.

January is one of the least expensive months to fly to Boston with Delta Air Lines. You could also find excellent prices on one-way and return tickets in February.

To find cheap Delta Air Lines fares from Missoula Intl. Airport (MSO) to Logan Intl. Airport (BOS), start searching one to three months before your intended 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 how much 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 your flight 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.

To see if there’s a direct journey from MSO to BOS with Delta Air Lines or another carrier, use our “Nonstop” filter when browsing for tickets.

Browse Delta Air Lines’s earliest flights from MSO to BOS by using our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be 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.

Delta Air Lines flights from Missoula Intl. Airport (MSO) to Boston land at Logan Intl. Airport (BOS). This is the main gateway to this destination.

Jetting off from MSO to BOS with Delta Air Lines means enjoying a variety of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your fare type, a fee typically applies if you change or cancel your booking more than 24 hours after it has been confirmed. To secure plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes while looking for flights. For more information on modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”