Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Terminal de Retiro | San Martin - Terminal (Mendoza - ARG) (Mendoza - ARG) | CheapestFastest | ||||
 | Bus | Terminal de Retiro | Terminal Omnibus San Martin | No tags | ||||
 | Bus | Terminal de Retiro | Terminal Omnibus San Martin | No tags | ||||
 | Bus | Terminal de Retiro | Terminal Omnibus San Martin | No tags | ||||
 | Bus | Terminal de Retiro | San Martin (MZA) | No tags |
Last refresh of the prices: Yesterday at 8:38 PM -03.
Get from Buenos Aires to San Martín
The journey takes about 14 hours, and with fares starting at just R 650, it presents an excellent value for a comfortable ride.
Where are the popular stops in Buenos Aires and San Martín?
Stops in Buenos Aires
- ATerminal de Ómnibus de Buenos Aires, Av. Antártida y Calle 10. Argentina, Calle 10 &, CABA, Argentina
- BAeroparque Jorge Newbery
- CAv. Hipólito Yrigoyen 4600, B1824ABO Lanús Oeste, Cdad. Autónoma de Buenos Aires, Argentina
- DL. Caputo, Remedios de Escalada, Buenos Aires, Argentina
- E
Terminal Puente La Noria
Corrientes 434, B1832ELJ Lomas de Zamora, Buenos Aires, Argentina - F
Parada de Autobus Valentin Alsina
Itapiru 831, B1822DIN Valentín Alsina, Buenos Aires, Argentina
Stops in San Martín
- ATerminal, Alem, 5570 San Martín, Mendoza, Argentina
- B
Parada de Autobuses de San Martin
RP50 479, M5570 San Martín, Mendoza, Argentina
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Frequently asked questions about travelling from Buenos Aires, AR to San Martín, Mendoza, AR by bus
Please note that timetables, routes, or operator details shown here may be updated or differ at the time of your trip.
How much is the bus ticket from Buenos Aires to San Martín?
The cheapest bus tickets from Buenos Aires to San Martín start at R 650. The average price for this route is around R 1 105. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from Buenos Aires to San Martín?
The average bus journey time from Buenos Aires to San Martín is 14h, covering a distance of 947 km. The fastest bus gets you there in 12h 45m and is operated by Andesmar.
Which bus companies service the Buenos Aires to San Martín route?
Several major bus companies operate on this route with 15 buses available per day, including services from Via Tac, CATA Internacional, Andesmar, Chevallier, Central Argentino, Autotransportes San Juan, 20 de Junio, San Juan Mar del Plata, Via Bariloche, Acuerdo de Cuyo.
What is the earliest and latest departure time for the bus from Buenos Aires to San Martín?
The earliest bus departs from Buenos Aires to San Martín at 06:30. And the latest bus departs at 22:01.
What are the CO₂ emissions for the bus trip from Buenos Aires to San Martín?
A bus trip from Buenos Aires to San Martín produces an estimated 24 kg of CO₂, making it a highly eco-friendly travel option and Busbud’s recommended way to travel.
What is the best bus company from Buenos Aires to San Martín?
According to Busbud customers, the highest-rated bus company on this route is 20 de Junio, with an average rating of 4.0 out of 5 stars based on 602 reviews.
Which bus company has the best Wi-Fi from Buenos Aires to San Martín?
Based on reviews on Busbud, the bus company 20 de Junio has the best Wi-Fi rating with a score of 2.3.
Which bus company offers the most punctual service from Buenos Aires to San Martín?
According to Busbud traveller reviews, the most punctual bus company on this route is CATA Internacional, with a punctuality rating of 4.1 out of 5 stars.
Which bus company has the cleanest buses from Buenos Aires to San Martín?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is 20 de Junio, with a cleanliness rating of 4.5 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Buenos Aires, AR to San Martín, Mendoza, AR was searched and found on 12 Feb 2026 with a price of R 696To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Buenos Aires, AR to San Martín, Mendoza, AR as early as possible.
You can expect to pay from R 696 to R 1 533 for a bus ticket from Buenos Aires, AR to San Martín, Mendoza, AR based on the last 2 days. You can expect to find the cheapest price for the trip at R 796, which is on 2026-02-13.
Usually Via Tac will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.
