$59 Cheap Frontier Airlines flights Raleigh (RDU) to Boston (BOS)

Use the "Price (lowest to highest)" filter on Expedia to look for cheap Frontier Airlines return flights from $88 from RDU to BOS. Affordable one-way tickets from $59 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.

Begin your search one to three months before your departure to get cheap fares on Frontier Airlines flights from Raleigh - Durham Intl. Airport (RDU) to Logan Intl. Airport (BOS). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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.

The earliest Frontier Airlines flight from RDU to BOS takes off at 8:46AM UTC-5, landing at 10:49AM UTC-5. If you prefer to jet off later, the last Frontier Airlines flight leaves RDU at 9:34AM UTC-5 and touches down at BOS at 11:37AM UTC-5. Flying earlier is often a smart option as 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.

Travel from RDU to BOS with Frontier Airlines and you can look forward to a host of benefits including a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.