Flavio Ortega was a Brazilian footballer who started playing in 1962 and moved abroad to play in El Salvador. He came to Honduras in 1968. He played for Real España and Marathón of San Pedro Sula, rising to become an important player for both clubs.
Ortega was the Honduran league's leading goal-scorer with 18 goals for Marathón in the 1969–70 season. He scored 45 goals in the Honduran league in 110 matches.
Ortega was married to Honduran Ligia Hernández de Ortega and the couple had three children: Flavio and twins Lilian and Liniani. He became a Honduran citizen in 1992. In 2005, when with Platense, he suffered multiple injuries sustained in a car accident.