If you are travelling by Singapore Airlines, suggest tickets for two to fly would be alot cheaper.
http://www.singaporeair.com/saa/en_UK/content/krisflyer/index.jsp
Click "Change location" from Singapore to Country where you were from to check your airfares
You can ride a our most efficient SMRT from Airport to Hotels in Orchard Road (Approx US$1.00). cheap & fast!
Let me know if you are joining bcos I am organising a Hospital Visit for the Hongkong delegates and
botanic garden trip for delegates from Japan.