Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | San Martin (MZA) | Terminal de Retiro | Cheapest | ||||
 | Bus | San Martin - Terminal (Mendoza - ARG) (Mendoza - ARG) | Terminal de Retiro | Fastest | ||||
 | Bus | Terminal Omnibus San Martin | Terminal de Retiro | No tags | ||||
 | Bus | Terminal Omnibus San Martin | Terminal de Retiro | No tags | ||||
 | Bus | Terminal Omnibus San Martin | Terminal de Retiro | No tags |
Last refresh of the prices: Today at 9:41 AM -03.
Get from San Martín to Buenos Aires
The journey takes about 14 hours 5 minutes, and with fares starting at just R 924, it presents an excellent value for a comfortable ride.
Where are the popular stops in San Martín and Buenos Aires?
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
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
Compare bus companies
Frequently asked questions about travelling from San Martín, Mendoza, AR to Buenos Aires, 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 San Martín to Buenos Aires?
The cheapest bus tickets from San Martín to Buenos Aires start at R 924. The average price for this route is around R 1 248. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from San Martín to Buenos Aires?
The average bus journey time from San Martín to Buenos Aires is 14h 5m, covering a distance of 947 km. The fastest bus gets you there in 13h 5m and is operated by Andesmar.
Which bus companies service the San Martín to Buenos Aires route?
Several major bus companies operate on this route with 15 buses available per day, including services from Via Tac, CATA Internacional, Via Bariloche, Chevallier, Andesmar, 20 de Junio, Central Argentino, Autotransportes San Juan, San Juan Mar del Plata, Acuerdo de Cuyo, El Rápido Internacional.
What is the earliest and latest departure time for the bus from San Martín to Buenos Aires?
The earliest bus departs from San Martín to Buenos Aires at 07:10. And the latest bus departs at 22:10.
What are the CO₂ emissions for the bus trip from San Martín to Buenos Aires?
A bus trip from San Martín to Buenos Aires 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 San Martín to Buenos Aires?
According to Busbud customers, the highest-rated bus company on this route is Via Bariloche, with an average rating of 4.0 out of 5 stars based on 3131 reviews.
Which bus company has the best Wi-Fi from San Martín to Buenos Aires?
Based on reviews on Busbud, the bus company Autotransportes San Juan has the best Wi-Fi rating with a score of 2.3.
Which bus company offers the most punctual service from San Martín to Buenos Aires?
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 San Martín to Buenos Aires?
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 San Martín, Mendoza, AR to Buenos Aires, AR was searched and found on 10 Jan 2026 with a price of R 937To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from San Martín, Mendoza, AR to Buenos Aires, AR as early as possible.
You can expect to pay from R 937 to R 1 564 for a bus ticket from San Martín, Mendoza, AR to Buenos Aires, AR based on the last 2 days. You can expect to find the cheapest price for the trip at R 937, which is on 2026-01-10.
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.
