Melbourne to Hong Kong Return for $742.80 with Virgin Atlantic (Phone Order)

Similar to the 'Melbourne to Hong Kong Return for $768 with Virgin Atlantic' http://www.ozbargain.com.au/node/57117
deal.

It isn't advertised on Virgin, so I don't know the valid dates or when the deal ends. I suspect its around 28th Nov, since they told me I have to pay by then.

Only stumbled across this when the website would give me errors when trying to book a flight between MEL - Hong Kong. Tried to do it on different computers but all give errors.

This is the one I booked for:
11 MAR - VS5837 - 11:00 MEL
11 MAR - VS201 - 15:45 SYD

07 APR - VS200 - 19:20 HKG
08 APR - VS5824 - 9:00 SYD

Only shows $786.08 but over the phone they quoted me $742.80.

So before you book, call them up and get them to make a quote over the phone to see if it is cheaper!