To save up to 54% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Cambridge to Boston from £377 1-2 weeks out and tickets from £482 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to Boston. Flights to Boston from Cambridge in November are about £315 on average during November, but can be found for as low as £227.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cambridge to Boston as you normally would.