The Sale banners and prices are showing now mostly, however they definitely weren't there this morning and I was looking at ba.com about 7.30-7.45 am, so must have somehow 'disappeared' and came back again so I can see where you're coming from and I maybe it was a glitch? (There was an IT glitch in the INV APD thread so I wonder if it affected other ba.com items)

It's also worth remembering that even if it wasn't a glitch the T and C's state it's limited availability (clause 2) and they can basically pull the plug when they want (clause 22) and this is common on all airlines sales T and C's.

As mikeyfly says though there are usually better bargains to be had elsewhere and overall DUB is reasonably quite good IME but I appreciate not everyone likes doing an ex-EU.