Dates are from 03/04/2013 - 18/07/2013 depending on where you're flying out from

Very cheap fares from most cities, via Gold Coast or Cairns.

For example:
Gold Coast > Tokyo
3rd September $209
+
Tokyo > Gold Coast $188
10th of September

Return price = $397

Jetstar have dropped the Godzilla on their fares to Japan, offering direct flights between the Gold Coast and Tokyo for an amazing $393 return, including tax!

Adioso has detected a bunch of sales from Jetstar japan. These can be used as cheap return legs for flights from australia. This has not been announced by Jetstar Australia, as far as I know, but the flights are available and bookable.

Details as follows:
Narita to Sydney $193
Osaka to Sydney $203
Narita to Melbourne $204
Osaka to Melbourne $214