Bus Tickets from Porto Alegre, RS to Buenos Aires, AR

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TodayAug 11
TomorrowAug 12
from US$66
WedAug 13
from US$67
ThuAug 14
from US$161
FriAug 15
from US$75
SatAug 16
from US$161
SunAug 17
from US$101
MonAug 18
from US$67

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is the: Cheapest
    Departure time: August 12 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 13 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Flecha Bus + Rapido Tata
    Flecha Bus + Rapido Tata
    Vehicle: BusDuration:
  • This trip is recommended because it is the: Fastest
    Departure time: August 12 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 13 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Flecha BusFlecha Bus
    Vehicle: BusDuration:
  • Departure time: August 12 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 13 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Flecha BusFlecha Bus
    Vehicle: BusDuration:
  • Departure time: August 12 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 14 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: EGA + Cauvi
    EGA + Cauvi
    Vehicle: BusDuration:
  • Departure time: August 12 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 14 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Flecha Bus + Rio Uruguay
    Flecha Bus + Rio Uruguay
    Vehicle: BusDuration:

Last refresh of the prices: Yesterday at 11:40 PM -03.

Prices and availability are subject to change.

Accepted payments

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Bus Porto Alegre, RS to Buenos Aires, AR: Trip Overview

Average Ticket PriceUS$122
Average Bus Trip Duration20h
Number of daily buses1
Earliest bus departure5:15pm
Distance842 km
Latest bus departure11:55pm

Porto Alegre to Buenos Aires Bus

With Busbud, comparing and booking tickets for a bus from Porto Alegre to Buenos Aires is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

Bus service from Porto Alegre to Buenos Aires will be provided by the most trusted bus companies.

Discover how much the bus trip from Porto Alegre to Buenos Aires will cost you. Use our filters and sorting features to find the cheapest bus tickets or luxury buses.

Frequently asked questions on the trip Porto Alegre, RS - Buenos Aires, AR

  1. What is the distance between Porto Alegre and Buenos Aires?

    Porto Alegre and Buenos Aires are 844 km (523 miles) apart.

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

    Buses departing from Largo Vespasiano Júlio Veppo in Porto Alegre will take you to Terminal de Retiro in Buenos Aires.

Find cheapest prices for buses

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

Best price found
08-09
No data
08-10
US$90
Today
US$62
08-12
US$62
08-13
US$62
08-14
No data
08-15
US$70
08-16
No data
busbud logoThe cheapest trip from Porto Alegre, RS to Buenos Aires, AR was searched and found on Aug 11, 2025 with a price of US$62

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Porto Alegre, RS to Buenos Aires, AR, as early as possible.

You can expect to pay from US$62 to US$122 for a bus ticket from Porto Alegre, RS to Buenos Aires, AR based on the last 2 days. You can expect to find the cheapest price for the trip at US$62 which is on 2025-08-12.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while travelling from Porto Alegre to Buenos Aires.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

Much more than a mere vehicle taking you from Porto Alegre to Buenos Aires, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.

Buses have one of the smallest carbon footprints of motorized transport modes. A bus going from Porto Alegre to Buenos Aires will emit less CO2 than a car or an airplane.

Create your own real life musical score by curating a personalized bus travel playlist - the perfect accompaniment to your bus ride from Porto Alegre to Buenos Aires.

Did you know?

One of the longest bus route in the world goes all the way from Ontario to Alberta in Canada (with the same bus). This trip is 3,435 km or 2,135 miles long and the price is a bit under $100.

9.2% of ground transportation in Europe is done by bus versus 7.4% by train.

Did you know there are on average 4,400 intercity bus departures every day in the US only? This number has been growing for 9 years in a row, yay!

Will you be returning to Porto Alegre, RS by bus?

Bus from Porto Alegre, RS to Buenos Aires, AR

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