As far as I know TAP air portugal, TAAG (Angolan) and Air France are the only airliners with routes from Europe (Paris and Lisboa) direct to Luanda. Another way to get there, is by South African Airways from Johannesburg.
TAAG Angola Airlines (Linhas Aéreas de Angola) is the national flag carrier of Angola. Based in Luanda, the airline has a large domestic network and flights to other parts of Africa, Europe and South America. Like South African Airways, TAAG has been one of the few profitable sub-Saharan African carriers and one of the few to recently purchase newly built aircraft as opposed to second-hand aircraft. It is 100% state owned by the Angolan government [....] (Click here for more).