Some decent fares in Qantas' current international sale, running from today until Monday 5 February, 2024.
https://www.qantas.com/au/en/flight-deals.html/syd/int/economy/international-red-tail-sale/lowest
A few examples include:
SYD/MEL-LAX $1,119 return in Y
BNE-SYD-SCL $1,499 return in Y...