Originally Posted by Rafft
I would add if you flew F/J/(Y) and your BA account showed you're based in Barcelona, then BA Ex.Club would be the easiest.
Just remember that BAEC
does enforce the 4 flights on BA rule, also that you cannot even join BAEC now until you fly a full-fare flight (non-discount Y, or any J or F). BAEC offers status at half price for non-UK European addresses (addresses outside Europe do not qualify for this offer).