Originally Posted by
LY777
I want to use SQ miles on a UA flight. How to do?
Because your miles are in the KrisFlyer program you need to adhere to their rules. You'll be dealing with SQ to make this booking, not United.
Originally Posted by
mduell
You have to call. UA no longer supports online award bookings for SQ as of a couple months ago.
Irrelevant in this case. The OP wants to book UA metal with SQ points, not the other way around.