As recently discussed here: RTW Oneworld fare $6.90 per SC
This J fare is now back
Sale ends: 16/03
Originating cities: BNE/MEL/SYD/CBR/ADL/CNS/HBA are roughly the same price (common rated). PER/DRW/OOL are a little more.
Stopovers: 2 stopovers in each direction + the destination itself for a total of 5 stops.
Cheapest routing: xx_ QF SYD QF/AA SFO AY HEL AY YYY AY HEL AY BKK QF SYD QF xx_
where xx_ is your AU domestic port and YYY is your port in the EU.
Prices at about $5170 AUD.
Can this be booked on their website, or do you need a TA?