FlyerTalk Evangelist
Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: BA Silver, TK E+, AA PP, Hyatt Globalist, Marriott LT Plat, Hilton Diamond
Posts: 13,033
I know several Spaniards who have multiple first and last names and only use one first name and one surname when travelling. As long as the names used are listed on the passport it's never an issue but YMMV.