Connects in AUH so gives you plenty of time to enjoy the Apartment
. Do note that some flights are on 777.
https://goo.gl/flights/913v
Etihad Airways (EY)
DRTLK RRTLK CMB to MEL
However, I'm confused because fare code is D. Isn't D use for business class? Anyway, have fun with this fare, I checked and there are plenty of dates available through next year. If you can't see the link, check the dates on ITA.
Also available CMB-MEL as one-way for 1,700usd on A380 operated by EK.
https://goo.gl/flights/roNa
Edit: Fare code is indeed F, although it reprices to 4k, still a good price. For some reason, google flights is showing the price for D.