QR definitely would be best if you can snag them.
UL still had similar fares ex-BKK, unless that has changed too.
Cathay still have some fares going from the sub-continent you can break up well with stops. Really depends where in Asia you're going.. or just trying to get back to Aus?
Also check out RJ from various ports, a couple times we found them around $1k each way, more EU ports and they had fares for onward flying to *O hubs on other carriers.. could basically re-qualify for QF SG EU-Asia r/t even post simplification.