Regular bus connections from Buenos Aires (Retiro) to Santa Cruz
("Santa Cruz de la Sierra" in Bolivia)The company Ormeño offers a service starting in terminal Liniers:
Every Monday and Saturday, Departure 18:00, Arrival 17:00 (+2 days), Semi-Cama, 220 Pesos
Every Monday and Saturday, Departure 18:00, Arrival 17:00 (+2 days), Semi-Cama, 220 Pesos
This page in spanish: Buses de Buenos Aires a Santa Cruz



