From 6 August 2014, Philippine Airlines will remove its modern Boeing 777-300ER (370 seats) from its five weekly Manila - London (Heathrow) and return flights, substiuting an older Airbus A340-300 (264 seats). The Boeing planes have close to lie flat business class seats so unfortunately this is a downgrade in aircraft quality on this long route, while one traveller posted on another forum I booked with Emirates LHR-Manila flight time 17.5hrs (1 hr in Dubai) £590.
PAL same route 15.5hrs (rtn one day after due to no flights on Friday) was £780.