- Aviogenex is an airline based in Belgrade, Serbia. It was established in 1968 and primarily operates charter flights. The airline has a fleet of various aircraft, including Airbus A319, A320, and Boeing 737-300. Aviogenex offers both passenger and cargo services to various destinations worldwide. In addition to charter flights, the airline also provides aircraft maintenance and ground handling services. However, it is worth noting that Aviogenex has faced financial difficulties in recent years and has suspended its operations a few times.