You can get to Libreville by plane with Lufthansa, Air France, Virgin Nigeria from Lagos via Douala, Gabon Airlines and Air Gabon International the brand new -private- Air Gabon. SAA flies direct to/from Johannesburg. On a smaller budget, Royal Air Maroc will do the trick (this includes a change of the aircraft in Casablanca, if you come from Europe or America - this can take up to 8 hrs waiting time, but may save you 300 euros. Cameroon Airlines has ceased to exist.
