- Bislig Airport, also known as Bancasi Airport or Butuan Airport, is the main airport serving the city of Butuan in the Philippines. It is located in Bancasi, Butuan City, Agusan del Norte. The airport is operated by the Civil Aviation Authority of the Philippines and serves as a gateway to the Caraga Region. It offers domestic flights to various destinations in the Philippines, including Manila, Cebu, Davao, and Clark. Bislig Airport has a single terminal building and can accommodate both commercial and general aviation aircraft.