Zest Air, also known as AirAsia Zest, was a low-cost airline based in the Philippines. It was a joint venture between AirAsia Berhad of Malaysia and Zest Airways Inc. The airline operated domestic and international flights before it rebranded as AirAsia Philippines in 2013. Zest Air had a fleet of Airbus A320 aircraft and served destinations in Philippines, China, Malaysia, Singapore, and South Korea, among others.