Flying with Saudi from LHR - MNL on April 8th to 25th, £507 booked with Netflights.com last July.

Flying from LHR it is still possible to get flights for £500 - £550, but if you want a regional airport, such as Birmingham, the choice of airlines is limited (KLM or Emirates in BHX's case) and £600 - £700 is the norm.

I get e-mail alerts from tripadviser.com and cheapflights.co.uk and yesterday there was a flight from BHX - MNL in March for £570