Hi, Ms, Sherin. The cheapest way is: Take night train from Beijing West Railway Station to Xian. Get out of the railway Station and turn left to the east side of the square. There are tourist bus 306 （游5）. It has luxury bus like tourism bus. The luxury bus is comfortable. The bus fare is only 7RMB.

Hi, Ms, Sherin. I'm a Chinese boy and living in xi'an. I'm a student in a University.I like english and want to make a oral english with foreigner. I will give you some advice for the folling trip xi'an.
1.there are many tourist bus for people to get, you can visit the bell tower and oldest city wall, Dayan Tower and so on.
2.There are many travelling company for the tourist. It's also a good way to enjoy your xi'an trip
3.another way such as personal guide.