Previously seen journeys
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Parada de AUtobus Union | Terminal de Retiro | No tags | ||||
| Bus | Parada de AUtobus Union | Terminal de Retiro | No tags | ||||
| Bus | Parada de AUtobus Union | Terminal de Retiro | No tags | ||||
| Bus | Parada de AUtobus Union | Terminal de Retiro | No tags | ||||
| Bus | Parada de AUtobus Union | Terminal de Retiro | No tags |
Get from Unión to Buenos Aires
The journey takes about 10 hours 30 minutes, and with fares starting at just R 780, it presents an excellent value for a comfortable ride.
Where are the popular stops in Unión and Buenos Aires?
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
Based on 2378 reviews, the company was rated 3.8 stars on Busbud. Travellers were especially satisfied with the ticket access and the staff but often complained with the Wi-Fi. Chevallier ticket prices on this trip start at R 780
Frequently asked questions about travelling from Unión 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 Unión to Buenos Aires?
The cheapest bus tickets from Unión to Buenos Aires start at R 780. The average price for this route is around R 783. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from Unión to Buenos Aires?
The average bus journey time from Unión to Buenos Aires is 10h 30m, covering a distance of 694 km. The fastest bus gets you there in 10h 30m and is operated by Chevallier.
Which bus companies service the Unión to Buenos Aires route?
Several major bus companies operate on this route with 1 buses available per day.
What is the earliest and latest departure time for the bus from Unión to Buenos Aires?
The earliest bus departs from Unión to Buenos Aires at 23:45. And the latest bus departs at 23:45.
What are the CO₂ emissions for the bus trip from Unión to Buenos Aires?
A bus trip from Unión to Buenos Aires produces an estimated 17 kg of CO₂, making it a highly eco-friendly travel option and Busbud’s recommended way to travel.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Unión to Buenos Aires, AR was searched and found on 20 Dec 2025 with a price of R 781To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Unión to Buenos Aires, AR as early as possible.
You can expect to pay from R 781 to R 914 for a bus ticket from Unión to Buenos Aires, AR based on the last 2 days. You can expect to find the cheapest price for the trip at R 781, which is on 2025-12-20.
