There is a Jetstar Sale ending on 24 February 2015.
Sale fares to Bali include:
DRW to DPS $99
PER to DPS $129
ADL to DPS $169
BNE to DPS $239
CNS to DPS $169
MEL to DPS $249
SYD to DPS $249
The above fares exclude checked in luggage, food, drinks, entertainment and credir card fees.
The dates for these flights are on the Jetatar website.