- Soyo airport, officially known as Soyo Airport (IATA: SZA, ICAO: FNSO), is an airport located in Soyo, Angola. It is the closest airport to the city of Soyo and serves as a gateway to the region. The airport has a single runway and serves both domestic and international flights. It is primarily used by oil companies operating in the area, as well as tourists visiting the nearby natural attractions such as the Cabo Ledo beach and the Maiombe Forest. Soyo airport offers limited facilities, including a passenger terminal and a few services such as car rental and cargo handling.