$39 Cheap Spirit Airlines flights Baltimore (BWI) to Boston (BOS)

You can discover affordable return Spirit Airlines flights from $77 from BWI to BOS by sorting your results from “Price (lowest to highest)” on Expedia. Or search for options from $39 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.

Look for return or one-way flights to Boston in January or February. You could find a cheap fare with Spirit Airlines during these off-peak travel months.

Start searching one to three months before your departure to score cheaper fares on Spirit Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS). 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 cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*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.

Spirit Airlines has direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS), with 12 weekly departures. Just choose the “Nonstop” and “Airline” filters during your search on Expedia to find all direct Spirit Airlines flights to BOS.

The travel time for a direct Spirit Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) takes around 1h 28m.

Spirit Airlines operates the most flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS) on Thursday. With up to 2 daily departures, you’ll get the most flexibility on this day.

The earliest flight from BWI to BOS with Spirit Airlines leaves at 8:00AM UTC-5. You’ll land at 9:28AM UTC-5. The final Spirit Airlines flight of the day leaves at 9:54PM UTC-5 and arrives at 11:22PM UTC-5. With approximately 20% fewer cancellations for departures before midday, heading out early is usually the best option.**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.

Logan Intl. Airport (BOS) is the main Boston gateway for Spirit Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI). T.F. Green Airport (PVD) and Manchester-Boston Regional Airport (MHT) are two other options. When planning your vacation with Expedia, check the “All Airports” option for your destination to see all available choices.

A rewarding loyalty program and the ability to collect points through Free Spirit are the start of the reasons to depart from BWI to BOS with Spirit Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Spirit Airlines typically uses Airbus A320neo planes for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Logan Intl. Airport (BOS). This airline also operates the Airbus A321neo on this route. Remember that aircraft type can vary depending on operational demands, so the plane you board could be different when you travel.

You can usually reschedule or cancel your flight, although there may be additional charges if you booked more than 24 hours ago. Prefer to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you have to adjust your plans. To modify your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more information.