User blog comment:RoyallyBella/Official Season 6 discussion blog/@comment-24864085-20140706200739

As I looked WAY back from Michael's Winx Club blog, it currently states the following information about Season 6 and stuff

Fall 2013- Season 6 Premieres

Spring 2014 - Season 6 continues

Fall 2014 - Season 7 Premieres (TBD)

Currently it didn't go on, SO pretty much it will air soon as it seem like they currently following of the programming & marketing schedule or calendar.