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 |
Last refresh of the prices: Last Friday at 1:15 AM -03.
Get from Buenos Aires to Porto Alegre
This route is served by bus only
The journey takes about 20 hours 10 minutes and with fares starting at just $104, it presents an excellent value for a comfortable ride.
1bus per day
20h 10mAverage Duration
523 milesDistance
21kgCO₂ emissions
Where are the popular stops in Buenos Aires and Porto Alegre?
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 Porto Alegre
- ALargo Vespasiano Júlio Veppo, 3080 - Centro Histórico, Porto Alegre - RS, 90035-040, Brazil
Compare bus companies
4 out of 5 stars4/52,116 reviews
3 out of 5 stars3/5155 reviews
3 out of 5 stars3/5155 reviews
BR bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad
Frequently asked questions about traveling from Buenos Aires, AR to Porto Alegre, RS by bus
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
11/22
$119
11/23
$125
Today
$119
11/25
$126
11/26
$119
11/27
$127
11/28
$119
11/29
$126
The cheapest trip from Buenos Aires, AR to Porto Alegre, RS was searched and found on Nov 28, 2025 with a price of $119To 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 $119 to $171 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 $119 which is on 2025-11-28.
Top traveled bus routes
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