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 [...]

Here are the deals from JetStar. Nothing extraordinary, really. Many attempts to match new and old competitors.

Beware the JetStar ‘Sale and Switch’: Fare rules allow JetStar to cancel your flight and put you on something very, very different in timing or even routing (like 1-2 extra flights than mean lots of extra time and possibly [...]

Jetstar is promising JetMail (Jetstar junkmail) subscribers access to a sale of 5c tickets.  JetSaver light flights usually sell for $89-119 lowest fare (as one example).

If you are up to the challenges of JetStar’s ever-dying website during these sales, make sure you’re subscribed:  http://web.jetmail.com.au/jetmail/AU/index.asp

Flights  – see below (MEL Melbourne Airport, OOL Gold Coast and ADL Adelaide), probably Tues/Wed days, [...]

AU->Japan $199 o/way – JetStar Friday Arvo 4-8PM Sale.

It may be offered again. Perhaps it’s a sign this route is about to be cut or changed.

Beware, Jetstar’s bait & switch (selling you a ticket then making you fly a different routing or much less convenient time).

This has happened to me more than once [...]