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 | Rodoviária de Porto Alegre | Cheapest | ||||
 | Bus
| Terminal de Retiro | Rodoviária de Porto Alegre | Fastest | ||||
| Bus
| Terminal de Retiro | Rodoviária de Porto Alegre | No tags |
Last refresh of the prices: Today at 1:03 AM -03.
Get from Buenos Aires to Porto Alegre
The journey takes about 20 hours 10 minutes and with fares starting at just $102, it presents an excellent value for a comfortable ride.
Bus stations and stops in Buenos Aires and Porto Alegre
Stops in Buenos Aires
- A
Terminal de Retiro
Terminal de Ómnibus de Buenos Aires, Av. Antártida y Calle 10. Argentina, Calle 10 &, CABA, Argentina - B
Aeroparque AEP
Aeroparque Jorge Newbery - C
Terminal de Omnibus de Lanus
Av. Hipólito Yrigoyen 4600, B1824ABO Lanús Oeste, Cdad. Autónoma de Buenos Aires, Argentina - D
Terminal de Omnibus La Noria Puente
La Noria, Buenos Aires, Argentina - E
Parada de Autobus Tapiales
Av. de Circunvalacion, Tapiales, Buenos Aires, Argentina - F
Callao
Av. Callao 401, C1022AAE CABA, Argentina
Stops in Porto Alegre
- A
Rodoviária de Porto Alegre
Largo Vespasiano Júlio Veppo, 3080 - Centro Histórico, Porto Alegre - RS, 90035-040, Brazil
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Frequently asked questions about traveling from Buenos Aires, AR to Porto Alegre, RS 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 Porto Alegre?
The cheapest bus tickets from Buenos Aires to Porto Alegre start from $102. The average price for this route is around $173. 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 Porto Alegre?
The average bus trip duration from Buenos Aires to Porto Alegre is 20h 10m, covering a distance of 523 miles (843 km). The quickest bus can get you there in 19h 30m and is operated by JBL Turismo.
Which bus companies service the Buenos Aires to Porto Alegre route?
Several major bus companies operate on this route with 1 buses available per day, including services from JBL Turismo, Flechabus.
What is the earliest and latest departure time for the bus from Buenos Aires to Porto Alegre?
The earliest bus departs from Buenos Aires to Porto Alegre at 9:00am. And the latest bus departs at 12:30pm.
What are the CO₂ emissions for the bus trip from Buenos Aires to Porto Alegre?
A bus trip from Buenos Aires to Porto Alegre generates an estimated 21.051475 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
What is the best bus company from Buenos Aires to Porto Alegre?
According to Busbud customers, the highest-rated bus company on this route is Flechabus, with an average rating of 3.8 out of 5 stars based on 2356 reviews.
Which bus company has the best Wi-Fi from Buenos Aires to Porto Alegre?
Based on reviews on Busbud, the bus company Flechabus has the best Wi-Fi rating with a score of 2.3.
Which bus company has the most timely service from Buenos Aires to Porto Alegre?
According to Busbud traveler reviews, the most timely bus company on this route is Flechabus, with a punctuality rating of 3.3 out of 5 stars.
Which bus company has the cleanest buses from Buenos Aires to Porto Alegre?
According to Busbud traveler reviews, the bus company with the cleanest buses on this route is Flechabus, with a cleanliness rating of 4.2 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 Porto Alegre, RS was searched and found on Oct 10, 2026 with a price of $156To 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 Porto Alegre, RS, as early as possible.
You can expect to pay from $156 to $217 for a bus ticket from Buenos Aires, AR to Porto Alegre, RS based on the last 2 days. You can expect to find the cheapest price for the trip at $156 which is on 2026-10-11.
