Avianca Flight 203 was a Colombian domestic passenger flight from El Dorado International Airport in Bogotá to Alfonso Bonilla Aragón International Airport in Cali, Colombia. It was destroyed by a bomb over the municipality of Soacha on November 27, 1989. All 107 people on board as well as three people on the ground were killed. The bombing had been ordered by the Medellín drug cartel.

Soacha is an autonomous municipality of the department of Cundinamarca in Colombia, and part of the Metropolitan Area of Bogotá. It has an important industrial zone and is home to mostly working-class families. Soacha borders Bojacá and Mosquera to the north, Sibaté and Pasca to the south, to the east the capital Bogotá and to the west Granada and San Antonio del Tequendama.