when do ryanair flights go on sale?

How do you mean ? When you go into the website to book a flight it gives you a list of months till August 2006.
 
I know what you mean. They allow you search on all route up to June/July next year but when you do you end up with this message

Sorry, there are no available flights going out on Mon, 12 Jun 06
This may be because:

- The flight you have chosen is full
- The travel dates requested are for our next schedule period
and the fares/seats are not loaded for this date as yet
- There may not be a flight scheduled for this date

</B> Please check our timetables at
Ryanair.com or click above to check the previous or next day's availability
or call our
reservation centre to check the details of this flight.
I am checking regularly as I want to book flights for next June. I would also love to know when they post their next batch of flights for sale on the net.
 

Chances are there is no scheduled flight on that day for the destination you chosen.

If it a "sun" destination they don't have scheduled flights everyday.

Check the timetable first [broken link removed]
 
They don't have the flights up for ANY DAY after February next year!!I just wondered if anyone knew when they will have the summer flights up.
 
I can see flights up until the end of March, but not beyond.

I'm checking the site almost daily from now on, with a view to grabbing something for during the school Easter hols, April 10th~21st - I'll post again when it changes (after I've booked my own flights, of course...!)