Originally Posted by
lost_in_translation
OP could also look to take the CX flight via LHR, meaning the OP can benefit from the range of CX flight times offered out of LHR. This is a reasonable point, however, and the only one that might sway me to consider BA here.
That's unlikely to be a permitted routing on CX for the cheaper fares - it would probably work from GOT, HEL or BUD, for example, and the prices can be similar. Even then, long layovers are not generally possible.