http://www.mtr.com.hk/eng/airport_express/complom_free_bus.html
take the airport express fr the airport --> kowloon station. then shift a free shuttle to ur htl. u can take K5 fr kowloon station.
1 way tix fr the airport to the city = HK$90. round trip wil be a bit cheaper HK$160. n the bus is free back & forth ur htl.