R9.354 - R17.268
In general when looking for the cheapest flight to Boston, try to book your flight during the month of February for the best deal.
On average, from most locations, when planning your trip to Boston, try to book your flight in the region of 21 days in advance for the cheapest prices.
In general, booking your departure to Boston for a Wednesday represents the best deal on airfare. Try to avoid a Saturday departure to stay away from the highest prices.
On average you can find the best deals on plane tickets to Boston when looking for flights with midday departure times.