For flights between Singapore and Sydney, Jetstar operates the following airport routes:
For flights between Singapore and Sydney, Jetstar operates from the following airport routes: Singapore Changi Airport (SIN) to Sydney Airport (Kingsford Smith Airport) (SYD)
One of Jetstar cheapest prices for a Singapore to Sydney flight we have right now is 543$.
The price for a Jetstar flight between Singapore to Sydney will vary according to some factors, like seasonality and anticipation.