How far in advance should I book train tickets from New York, NY to New London, CT?

The best time to book your train from New York, NY to New London, CT is <b>21 days before departure</b>. See how prices for trains change on the New York, NY to New London, CT route.预订从纽约，纽约至新伦敦，康涅狄格的最佳时机为出发前21天。请查看纽约，纽约至新伦敦，康涅狄格线路的火车票价如何随时间变化。