Previously seen trips
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Terminal de Retiro | Parada de AUtobus Union | No tags | ||||
| Bus | Terminal de Retiro | Parada de AUtobus Union | No tags | ||||
| Bus | Terminal de Retiro | Parada de AUtobus Union | No tags | ||||
| Bus | Terminal de Retiro | Parada de AUtobus Union | No tags | ||||
| Bus | Terminal de Retiro | Parada de AUtobus Union | No tags |
Get from Buenos Aires to Unión
The journey takes about 10 hours 10 minutes and with fares starting at just $45, it presents an excellent value for a comfortable ride.
Where are the popular stops in Buenos Aires and Unión?
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 2367 reviews, the company was rated 3.8 stars on Busbud. Travelers were especially satisfied with the ticket access and the staff but often complained with the wifi. Chevallier ticket prices on this trip start at $45
Frequently asked questions about traveling from Buenos Aires, AR to Unión by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Buenos Aires to Unión?
The cheapest bus tickets from Buenos Aires to Unión start from $45. The average price for this route is around $45. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Buenos Aires to Unión?
The average bus trip duration from Buenos Aires to Unión is 10h 10m, covering a distance of 430 miles (694 km). The quickest bus can get you there in 10h 10m and is operated by Chevallier.
Which bus companies service the Buenos Aires to Unión route?
Several major train operators operate on this route with 1 trains available per day.
What is the earliest and latest departure time for the bus from Buenos Aires to Unión?
The earliest bus departs from Buenos Aires to Unión at 5:30pm. And the latest bus departs at 5:30pm.
What are the CO₂ emissions for the bus trip from Buenos Aires to Unión?
A bus trip from Buenos Aires to Unión generates an estimated 17 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
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 Unión was searched and found on Nov 26, 2025 with a price of $43To 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 Unión, as early as possible.
