Avianca Group International Limited is a pan-regional Latin American multinational airline holding company with its registered office in St Albans, England, and its global headquarters in Bogotá, Colombia. It was formed in February 2010 after a merger agreement between Avianca and TACA Airlines, the flag carriers of Colombia and El Salvador respectively, when Avianca and TACA became wholly owned subsidiaries of Avianca Holdings. TACA Airlines shareholders were given 29% and Avianca Airlines shareholders were given 71% of the shares in the new company.

Avianca S.A., is the largest airline in Colombia. It has been the flag carrier of Colombia since December 5, 1919, when it was initially registered under the name SCADTA. It is headquartered in Colombia, with its registered office in Barranquilla and its global headquarters in Bogotá and main hub at El Dorado International Airport. Avianca is the flagship of a group of airlines of the Americas airlines, which operates as one airline using a codesharing system. Avianca is the largest airline in Colombia and second largest in South America, after LATAM of Chile. Avianca and its subsidiaries have the most extensive network of destinations in the Americas. Prior to the merger with TACA in 2010, it was wholly owned by Synergy Group, a South American holding company established by Germán Efromovich and specializing in air transport. It is listed on the Colombia Stock Exchange.