usa 機票

hi, the date that u mentioned are in summer holiday, it is a peak-season, so it is difficult to find the cheap air-ticket.
u can try to find at http://www.zuji.com.hk/web/content/hk/flights.html
it will list all prices as per your requested. Have a good Study in USA

try
www.hkst.com/statravel/index.asp
they are speciaist for students air fares.

好似聯合般空很平!!!go to 聯合般空網!!!