Found these this morning:

British Airways

Business Class – Athens to San Francisco = EUR 1,523.70 and to New York = EUR1383.70

Business Class – Milan to San Francisco = EUR 1,657.85

Lufthansa

Business Class – Athens to San Francisco = £1,277

Delta

Business Class – Athens to San Francisco = £1,313

USAirways

Business Class – Rome to San Francisco = £1,233

 

(Samples based on Out – 29 December / Back 1 January 2012)