Bullpitt From Spain, joined Mar 2004, 871 posts, RR: 8
Reply 4, posted (10 years 10 months 1 week 5 days 9 hours ago) and read 3844 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