Available directly from their own website: http://www.aireuropa.com/en/default.html

LGW (via Madrid) to JFK or MIA from €226 (Miami) or €235 (JFK). Best availability in October/November. Note that after you select the dates, the prices seem to drop further.



(See example dates above)

I can't use this, so can't see what fare code these book in - but it's a great fare and presumably will earn miles in Flying Blue (if not other ST programs).