$81 Cheap Spirit Airlines flights Raleigh (RDU) to Boston (BOS)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Spirit Airlines round-trip flights from $166 from RDU to BOS. Affordable one-way tickets 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.

Look for one-way or round-trip flights to Boston in January or February. You could find an affordable fare with Spirit Airlines during these off-peak travel months.

Look for affordable Spirit Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Logan Intl. Airport (BOS) one to three months ahead of your departure day. 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. Regardless of fare type and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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.

Enter your dates, click search and check “Nonstop” on Expedia to find any direct flights from RDU to BOS with Spirit Airlines or other airlines.

To find the earliest departure from RDU to BOS with Spirit Airlines, filter your results by “Morning” and “Early Morning.” Choosing an early flight usually means you’re less likely to experience 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.

Logan Intl. Airport (BOS) is the primary Boston hub for Spirit Airlines flights from Raleigh - Durham Intl. Airport (RDU).

A rewarding loyalty program and the ability to rack up points through Free Spirit are the start of the reasons to fly from RDU to BOS with Spirit Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to reschedule or cancel your flight, although additional fees may apply if your booking was made more than 24 hours ago. Want to keep your options open? Apply the “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you need to alter your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for further information.