How to buy airticket?

Dear friends,

I am in Plexus now, so I can only type English.

I want to go back to Beijing on Christmas, would you please tell me when and where I can buy a cheapest ticket?

Thank you very much!

Post by wangliang_izc;2525752
Dear friends,

I am in Plexus now, so I can only type English.

I want to go back to Beijing on Christmas, would you please tell me when and where I can buy a cheapest ticket?

Thank you very much!

随便找张中文报纸都有很多广告，还是提前1、2个月现看的比较好，现在听人推荐的话也不准。另外，Plexus/Lipsius的电脑都是有中文的。