- Dubois Airport refers to several airports around the world that are named after the American Civil Rights activist W.E.B. Du Bois. One of the most well-known Dubois Airports is the Du Bois Regional Airport (DUJ) located in Clearfield County, Pennsylvania, United States. It serves the city of DuBois and the surrounding region, providing commercial flights and general aviation services. Other airports with variations of the name "Dubois" can be found in Mali, Senegal, and Côte d'Ivoire.