In the wake of the 1973 Chilean coup d'état, Bunster fled Chile in 1974 and would never return. She would continue her career as an actress even as she lived in multiple different countries. The most notable of these was the Academy Awards nominated "Alsino and the Condor", directed by Miguel Littín. She finally settled in Costa Rica, where she was recognized on 16 December 2003 with the Union of Independent Theaters's Prize. She would reside in Costa Rica until her death on 23 April 2012 of natural causes.