LACSA (Lineas Aéreas Costarricenses S.A.) is the national airline of Costa Rica. Founded in 1945, LACSA is now a subsidiary of the Avianca Holdings group, a Latin American airline conglomerate. LACSA operates both domestic and international flights. The airline has its main hub at Juan Santamaría International Airport in San José, Costa Rica. LACSA's fleet primarily consists of Airbus A320 and A319 aircraft, and it serves various destinations in Central, North, and South America.