Cheap Bus tickets to Rio Grande, AR

What are the most popular routes to Rio Grande?

Ushuaia - Rio GrandeAverage price$42Average duration3h 5mDaily departures2
Río Gallegos - Rio GrandeAverage price$84Average duration8hDaily departures2
Punta Arenas - Rio GrandeAverage price$54Average duration7hDaily departures1
Tolhuin - Rio GrandeAverage price$37Average duration1h 40mDaily departures2