The ticket for the concert will start selling on June 18 for platinum and combo tickets. And individual ticket start on June 21.
Concert will be at Staple Center in Los Angeles. And the convention will be in LA Convention Center.
To know how to get the tickets, go on www.kconusa.com and then go to attend tab and then LA. You'll see what you need to know :)

idk about the tickets but i think it's in the staples centre in los angeles. :) hope you enjoy it if you can go, i'm not allowed :'(