The KrisFlyer frequent flyer program has three different rate categories: Saver, Standard, and Full. All rates are in the system and they are valid as of March 23, 2017. The latest rate updates includes increases in first class, but they the first class rates apply to the Singapore Airline Suites as well.
The regular KrisFlyer rates include Singapore Airlines and SilkAir destinations.
NOTE: Not all flights have all seat classes available. SilkAir flights can only be redeemed with Saver awards.
Singapore Airlines: Online Bookings Are Cheaper
KrisFlyer members who book their award flights online save 15% compared to the regular award rate. The promotion applies to flights on Singapore Airlines and Silk Air.
Singapore - Honk Kong can be redeemed for 25,500 miles instead of 30,000 miles.
Reward Seat Availability
Air Transport World (ATW) has published a report on global reward seat availability. The report is based on over 6,700 bookings made with 24 frequent flyer programs during March and April 2011 for travel in June-October 2011. The report can be purchased here: http://store.atwonline.com/Product.aspx?pid
The top five programs for seat availability were: