What is the distance between Buenos Aires and Porto Alegre?

It's about 844 km (523 miles) from Buenos Aires to Porto Alegre.

What are the departure and arrival locations for buses traveling from Buenos Aires to Porto Alegre?

Buses traveling this route start their trip at Terminal de Retiro, in Buenos Aires, and end it at Rodoviária de Porto Alegre, in Porto Alegre.

Bus Buenos Aires to Porto Alegre from $165 | Refundable Tickets

Next bus departures

Next departures for Buenos Aires to Porto Alegre on November 25
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	12:30pm	Terminal de Retiro	19h 15m	7:45am	Rodoviária de Porto Alegre	Cheapest
	Bus	12:30pm	Terminal de Retiro	19h 15m	7:45am	Rodoviária de Porto Alegre	Fastest

Next departures for Buenos Aires to Porto Alegre on November 26
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	10:00am	Terminal de Retiro	20h 10m	6:10am	Rodoviária de Porto Alegre	Cheapest
	Bus	10:00am	Terminal de Retiro	20h 10m	6:10am	Rodoviária de Porto Alegre	Fastest

Last refresh of the prices: Today at 3:23 PM -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 $151, it presents an excellent value for a comfortable ride.

1bus per day

20h 10mAverage Duration

842 kmDistance

21kgCO₂ emissions

Where are the popular 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
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B
Aeroparque AEP
Aeroparque Jorge Newbery
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C
Terminal de Omnibus de Lanus
Av. Hipólito Yrigoyen 4600, B1824ABO Lanús Oeste, Cdad. Autónoma de Buenos Aires, Argentina
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D
Estación Remedios de Escalada
L. Caputo, Remedios de Escalada, Buenos Aires, Argentina
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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

A
Rodoviária de Porto Alegre
Largo Vespasiano Júlio Veppo, 3080 - Centro Histórico, Porto Alegre - RS, 90035-040, Brazil
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Compare bus companies

Flechabus

4/52,116 reviews

Staff4.7

Timeliness3.4

Cleanliness4.1

Wifi1.9

According to 33 reviews, Flechabus received a 3.8-star rating for this journey. Travellers were especially satisfied with the staff and the temperature, but some complained about the WiFi. Flechabus ticket prices on this trip start at $151

Flecha Bus Buenos Aires Porto Alegre recent customer reviews

The bus arrived 1 hour and 30 minutes later. The bathroom was dirty since the begining and the paper towel finished in the middle of the trip The bus just did 1 stop in 19 hours, and in a horrible restaurant in the middle of nothing, tbs bus driver was so rude on speaking, the wifi never worked inside the bus.

Fernando S.

October 20, 2019

Very good

Dierles E.

September 19, 2018

JBL Turismo

3/5155 reviews

Staff3.9

Timeliness2.8

Cleanliness3.9

Wifi0.9

BR Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about travelling from Buenos Aires, AR to Porto Alegre, RS by bus

What is the distance between Buenos Aires and Porto Alegre?
It's about 844 km (523 miles) from Buenos Aires to Porto Alegre.
What are the departure and arrival locations for buses traveling from Buenos Aires to Porto Alegre?
Buses traveling this route start their trip at Terminal de Retiro, in Buenos Aires, and end it at Rodoviária de Porto Alegre, in Porto Alegre.

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

$172

11-23

$180

Today

$172

11-25

$181

11-26

$171

11-27

$184

11-28

$172

11-29

$183

The cheapest trip from Buenos Aires, AR to Porto Alegre, RS was searched and found on Nov 26, 2025 with a price of $171

To 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 $171 to $247 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 $171 which is on 2025-11-26.