To save up to 97% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Boston to New Haven from $215 1-2 weeks out and tickets from $306 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in September. For low rates, March can be a great choice for travel to New Haven. Flights to New Haven from Boston in March are about $154 on average during March, but can be found for as low as $112.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to New Haven as you normally would.