Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Hannover. Flights to Hannover from Manchester, New Hampshire in March are about $957 on average during March, but can be found for as low as $562.
When flying from Manchester, New Hampshire to Hannover, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.