<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by FF:
Yes, saw the other stuff, but still couldn't believe it was return. Went to the www site to book it and it gave me Euro ~5k for JFK. What's the booking class?</font>
Read the (many) other threads a little more closely, there are exhaustive instructions on how to get the special fares.
In short you need availability in 'A' on the longhaul and 'I' on the LIS segments.