Are you looking for bus tickets from Buenos Aires to San Martín round-trip? With TicketOnline you can search through the main Argentinian bus companies. You will be able to buy online at the best prices available, your bus tickets to San Martín and to choose the time at the lowest price. The purchase is absolutely secure and reliable, and we guarantee you the best prices on bus tickets from Buenos Aires by bus, to San Martín. You can buy your ticket at the top of this page Thank you for choosing TicketOnline.