Originally Posted by NM
I think you may be best to book this as multiple return journeys, such as BNE-HKG with a stopover in MEL. Then BNE-AKL-BNE and BNE-CNS-BNE.
I have not seen such a fare.
Simplest would be 3 tickets. One on
*A circle asia. And separately two one-ways BNE-MEL and CNS-BNE.
MEL-SIN/BKK-HKG-AKL-CNS.