$81 Cheap Delta flights Baltimore (BWI) to Boston (BOS)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines round-trip flights from $161 from BWI to BOS. Affordable one-way fares from $81 are available too.**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 most affordable months to fly to Boston with Delta Air Lines. You could also find excellent prices on return and one-way tickets in February.

Search for affordable Delta Air Lines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Delta Air Lines operates direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS), with 20 departures each week. Simply choose the “Nonstop” and “Airline” filters while searching on Expedia to show all direct Delta Air Lines flights to BOS.

Leave Baltimore Washington Intl. Thurgood Marshall Airport (BWI) for Logan Intl. Airport (BOS) on a direct Delta Air Lines flight, and you’ll be in the air for approximately 1h 35m.

Delta Air Lines has the most flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) on Thursday. With up to 3 daily departures, you’ll get the most options and flexibility on this day.

The earliest Delta Air Lines flight from BWI to BOS takes off at 10:44AM UTC-5, landing at 12:14PM UTC-5. If you’d like to set off later in the day, the last Delta Air Lines flight leaves BWI at 7:58PM UTC-5 and touches down at BOS at 9:37PM UTC-5. Flying before noon is often a smart option as morning and mid-morning flights are 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.

When jetting off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Boston with Delta Air Lines, you’ll probably touch down at Logan Intl. Airport (BOS). This is the airline’s main hub in this destination. Other nearby airports like T.F. Green Airport (PVD) and Manchester-Boston Regional Airport (MHT) may have cheaper tickets, so it’s a smart idea to check out all options on Expedia.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a favorite for many travelers heading from BWI to BOS. Also, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely board an Embraer 170 or an Embraer 175 when flying Delta Air Lines from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS). However, keep in mind that a different aircraft may be assigned depending on operational demands.

Changes are usually free within 24 hours of making your booking, but your airline may charge a fee after that time. For more information about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to update your itinerary without additional charges, check the “Changes included” or “No cancel fee” filter when organizing your next escape.