DuBois Regional Airport (IATA: DUJ, ICAO: KDUJ, FAA LID: DUJ), formerly DuBois–Jefferson County Airport, is in Jefferson County, Pennsylvania, eight miles northwest of DuBois, a city in Clearfield County. The airport is in Washington Township. It is owned and operated by the Clearfield-Jefferson Counties Regional Airport Authority, based at the airport. It has scheduled service on one airline, Southern Airways Express, subsidized by the Essential Air Service program. The National Plan of Integrated Airport Systems for 2021–2025 categorized it as a non-primary commercial service airport. DuBois Regional is a refueling stop for many aircraft due to its proximity to Interstate 80 and several air routes, as well as its on-field restaurant.