Cameroon can be reached via:
Paris Air France
Brussels Brussels Airlines
Lagos Virgin Nigeria and Bellview Airlines
Nairobi Kenya Airways
Amsterdam KLM Royal Dutch Airlines
Casablanca Royal Air Maroc
Addis Ababa Ethiopian Airlines
Sometimes airport staff try to help with the luggage inorder to get extra euros/dollars from travellers.
There is also an official airport tax 10.000 CFA for outgoing flights.