There are numerous airlines flying to Ghana. From the USA you have United and Delta starting service in Jun 2010. From Europe you have British Airways, Lufthansa, and KLM. From the Middle East have can choose from Egypt Air, Emirates, or Middle East Airlines. Good Luck and enjoy your trip.
Aero, Afriqiyah Airways, Air Burkina, South African Airways, Middle East Airlines, KLM, Ethiopian Airlines, Emirates, Delta Airlines, British Airways, Alitalia, Arik Air, Kenya Airways, Royal Air Maroc, Virgin Nigeria, CiTylink
The following Airlines fly to Ghana:
South African Airways
Royal Air Maroc