How far in advance should I book train tickets from Edinburgh to St Andrews?

The best time to book your train from Edinburgh to St Andrews is <b>4 days before departure</b>. See how prices for trains change on the Edinburgh to St Andrews route.预订爱丁堡至圣安德鲁斯火车的最佳时机为出发前 <b>四天</b>。请观察爱丁堡至圣安德鲁斯线路火车票价的变化情况。