Originally Posted by
Gagravarr
I've used a 2-for-1 for a LHR-SIN, just over a day in SIN, SIN-SYD, CNS-HKG (paying full avios), just over a day in HKG, HKG-LHR. Other than the large number of avios needed for the CNS-HKG sector compared to the others, it was all fine!
i think you were very lucky, we did try to do out via SIN and back via either HKG or TYO to get to SYD but they would not allow this as they said they were different areas.
or most probably , someone dont know all the facts at BA