Answer
Yes. (but not until summer 2007).
from the bristol international website:
http://www.bristolairport.co.uk/press/press_releases/article.aspx?newsid={62e3707e-541b-4980-adc1-449f23bfdab4}
"bristol international and first choice holidays have today announced three long haul charter destinations with weekly flights to sanford, florida and fortnightly flights to puerto plata in the dominican republic and varadero in cuba."
i hope this helps!