Originally Posted by rwoman

You can upgrade on AF from a premium voyageur fare (can be cheaper than DL YBM) to J (Affaires) -- just look for "O" availability on ExpertFlyer or airfrance.us. Be sure to look for the TATL leg separately from the CDG-ATH leg -- IME (LHR-CDG-USA), I can find the "O" availability on the TATL leg, but not intra-Europe....while I'd like J the whole way, the flight across the Pond is my primary concern.