Originally Posted by
17cc
There is no such SQ/*A routing as JFK-NRT-SIN-CHC. Since you are essentially trying to book JFK-CHC, you'll have to make 2 separate award bookings if you want to stop in both NRT/HND and SIN on the way.
Or reposition to LAX and do LAX - NRT - SIN - CHC on SQ F/J.