- Boulia Airport (IATA: BQL, ICAO: YBOU) is a small regional airport located in Boulia, Queensland, Australia. It serves as the main gateway to the town and the surrounding region. The airport has a single asphalt runway and is primarily used for domestic flights by small regional airlines. It offers limited facilities for passengers, including a terminal building with basic amenities. Boulia Airport provides connections to destinations such as Mount Isa and other regional centers in Queensland.