There is a AA Sale to DPS from MEL and SYD. The sale ends on 24 April 2016.
MEL to DPS AU$ 169.00 1 October 2016 - 22 May 2017
SYD to DPS AU$ 169.00 1 October 2016 - 22 May 2017
The above prices are for a one way flights and exclude entertainment, food, drinks, credit card charges and checked in luggage etc.