Bus from Buenos Aires, AR to Porto Alegre, RS: Tickets & Schedules

Next bus departures

Next departures for Buenos Aires to Porto Alegre on January 6
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Flecha BusBus
Terminal de Retiro
Rodoviária de Porto AlegreCheapestFastest

Last refresh of the prices: Last Saturday at 10:34 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 $125, it presents an excellent value for a comfortable ride.

2bus per day
20h 10mAverage Duration
523 milesDistance
21kgCO₂ emissions

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.

  1. How much is the bus ticket from Buenos Aires to Porto Alegre?

    The cheapest bus tickets from Buenos Aires to Porto Alegre start from $125. The average price for this route is around $169. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

  2. 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 15m and is operated by JBL Turismo.

  3. Which bus companies service the Buenos Aires to Porto Alegre route?

    Several major bus companies operate on this route with 2 buses available per day, including services from Flechabus, JBL Turismo.

  4. 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 9:30am. And the latest bus departs at 12:30pm.

  5. 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 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.

  6. 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 2149 reviews.

  7. 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 1.9.

  8. Which bus company has the most timely service from Buenos Aires to Porto Alegre?

    According to Busbud traveller reviews, the most timely bus company on this route is Flechabus, with a punctuality rating of 3.3 out of 5 stars.

  9. Which bus company has the cleanest buses from Buenos Aires to Porto Alegre?

    According to Busbud traveller reviews, the bus company with the cleanest buses on this route is Flechabus, with a cleanliness rating of 4.1 out of 5 stars.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
01/03
$178
01/04
$137
Today
$132
01/06
$178
01/07
$114
01/08
$134
01/09
$116
01/10
$124
busbud logoThe cheapest trip from Buenos Aires, AR to Porto Alegre, RS was searched and found on Jan 7, 2026 with a price of $114

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 $114 to $181 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 $114 which is on 2026-01-07.

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