Originally Posted by Gardyloo

.....you might also want to consider originating somewhere besides the UK. Depending on currency exchange rates, a DONE4 originating somewhere in the Euro zone won't carry a terribly different base rate than one originating in the UK. However, by originating someplace besides LHR you'll avoid the very high premium-cabin UK Airline Passenger Duty levied on departures from UK airports. In the case of a business class flight from, say, LHR to the USA or Canada, the APD is £120.....