theatre tickets, how to find offers please?

[triplets]

Hi,
Does anyone know how I might get good theatre tickets during half-term, would like to see Phantom of the Opera.

The website for the Society of London Theatres is
officiallondontheatre.co.uk and they always have special offers or alternatively you can try whatsonstage.com, they tend to do more offers in conjunction with food. Unfortunately, Phantom is still one of the most popular musicals so the offers don't tend to be numerous or particularly great. Sorry, don't have time to do the proper links - at work!

Transport for London are also doing offers at the mo BUT they are Mon-Thurs evening and Tues matinees until 22 Oct only - pretty typical! However if it is of interest, their website is tfl.gov.uk and there is an offer panel on the left hand side.