There is a AA Sale to DPS from MEL and SYD. The sale ends on 8 May 2016.
MEL to DPS AU$ 169.00 26 April 2016 - 24 November 2016
SYD to DPS AU$ 169.00 26 April 2016 - 24 November 2016
The above prices are for a one way flights and exclude entertainment, food, drinks, credit card charges and checked in luggage etc.