$155 Cheap Delta flights Tri-Cities (TRI) to Boston (BOS)

Scoring cheap one-way Delta Air Lines flights from TRI to BOS from $155 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $314 for your next break.**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 jet off to Boston with Delta Air Lines. You could also find excellent prices on one-way and return fares in February.

To find cheap Delta Air Lines fares from Tri-Cities Regional Airport (TRI) to Logan Intl. Airport (BOS), start searching one to three months before your intended departure. Securing 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 influence what you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book 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.

Select our “Nonstop” filter when browsing for direct Delta Air Lines flights from TRI to BOS. It’s also a good way to compare other airlines offering the same direct trip.

Find Delta Air Lines’s earliest flights from TRI to BOS by using our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer 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.

Delta Air Lines flights from Tri-Cities Regional Airport (TRI) to Boston come in to Logan Intl. Airport (BOS). This is the main entry point to this destination.

Delta Air Lines makes traveling from TRI to BOS enjoyable with a rewarding loyalty program and an excellent in-flight experience. You could even start collecting points with Delta SkyMiles. Remember to join Expedia’s 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.

In most cases, you can cancel or modify your flight, although there may be additional fees if you made your booking more than 24 hours ago. Prefer to keep your options open? Make use of our “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you need to revise your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for further information.