- The Bonthe Airport is a small domestic airport located in the town of Bonthe in Sierra Leone. It serves as a gateway for travelers visiting the Bonthe District and the nearby Banana Islands. The airport has a single asphalt runway and limited facilities. It primarily handles domestic flights to and from other major cities in Sierra Leone, such as Freetown and Bo. The airport is small and infrequently used, so it may not have many amenities or services commonly found in larger international airports.