What is the good and cheap way to travel from Kunming to lijiang?

I searched online that trains goes to Dali and from dali i need to take a bus to lijiang but your information shows me otherwise. How should i do it? My flight will reach Kun ming airport and depart from there as well but i'm going to lijiang for tour. How much are the train rides? Where should i get train tickets in advance for rides from kun ming to lijiang and lijiang to kunming. Thanks!