Back to China Easter?

Hello, everyone
I want to know who plans to go back to China this Easter holiday? If you do, have you book the air ticket? I am looking for cheap tickets but really don't know which agency is reliable and cheap. I have searched the internet but the average price is above 400pounds,return Beijing, from 25th March to 25th April.
Do you have any good ideas? If you have booked cheaper ticket, please let me know the agency phone numbers or websites.You know the ticket is not easy to find during the Easter holiday, so please help me. You information must be very helpful for all the students who want to go back to China this Easter.Thank you very much...
Best wishes,
Lulu