Bullpitt From Spain, joined Mar 2004, 871 posts, RR: 7
Reply 4, posted (12 years 1 month 2 weeks 17 hours ago) and read 4439 times:
FF tkts on Iberia are done in X class non changeable economy fares, T class economy fares that allows changes and U class for business class tkts. But nevertheless I suggest you contact IB to clear any doubts you have.
These are my principles but if you don't like them I have others