Quick summary of JetStar’s 10-50% off sale:  Nov-Dec ‘09, Feb-Mar & Apr-Jun ‘10 fare deals.

Jetstar’s International & Domestic Sale! – From 10-50% off!

Beware – JetStar often drops routes or flights at whim and you are risking major flight changes, flight cancellations, route cancellations and wasted time. Travel insurance might be worthwhile peace of mind, especially [...]

Starting off with a less exciting one… but OK if you’re not fussy and don’t mind zero service if things go wrong (and believe me they can go very wrong):

MEL-BKK looks like the best deal, in terms of convenience and connections to further destinations, or for a nice resort holiday.

JetStar International sale:

JetStar’s JetMail included a number of Japan 2-for-1 offers.
Just beware that any route which is operated by JetStar is subject to that airlines’ whims and peculiar restrictions.

If the route is so empty of Japanese customers that these sales become commonplace, beware that Jetstar could be keen to close or reduce services.

Then you will be [...]