Just checked the following options for you:

QF506
07:35
Sydney 09:00
Brisbane 20hr 10mn
1 stop A330-200
Business

QF025
11:25
Brisbane 10:45
Los Angeles 747-400
Business

OR


QF043
11:40
Sydney 16:45
Auckland 16hr 05mn
747-300
Business

QF025
17:55
Auckland 10:45
Los Angeles 747-400
Business