Scoot, the new player on the low cost airline scene, has some extremely cheap flights from 09 Jul, 2012 - 31 Aug, 2012.
From GOLD COAST
Bangkok (Fly Fare) AUD 169
Singapore (Fly Fare) AUD 111
From SYDNEY
Bangkok (Fly Fare) AUD 179
Singapore (Fly Fare) AUD 121
15kg Luggage $22 extra.
20kg luggage $33 extra. (Select Fly fare If you book FlyBag fare and then select the 20kg option you will be charged 10 bucks extra)
From Singapore one can fly to anywhere in asia fairly cheaply using Tiger, Jetstar and Airasia. They seem to be beating Airasia X in pricing if not in inflight comfort.
Wow thats cheap