How far in advance should I book train tickets from London to Wrexham?

The best time to book your train from London to Wrexham is <b>49 days before departure</b>. See how prices for trains change on the London to Wrexham route.预订从伦敦至雷克斯汉姆的火车，最佳时机为启程前 <b>49天</b>。观察伦敦至雷克斯汉姆线路火车票价的变化情况。