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

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TodayAug 2
TomorrowAug 3
from $95
MonAug 4
from $95
TueAug 5
from $65
WedAug 6
from $65
ThuAug 7
from $99
FriAug 8
from $95
SatAug 9

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is: Cheapest
    Departure time: August 3 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 4 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Flecha BusFlecha Bus
    Vehicle: BusDuration:
  • This trip is recommended because it is: Fastest
    Departure time: August 3 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 4 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Flecha BusFlecha Bus
    Vehicle: BusDuration:
  • Departure time: August 3 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 4 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Flecha BusFlecha Bus
    Vehicle: BusDuration:
  • Departure time: August 3 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 5 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: EGA + Cauvi
    EGA + Cauvi
    Vehicle: BusDuration:
  • Departure time: August 3 at
    Departure city: Porto Alegre
    Departure location: Largo Vespasiano Júlio Veppo
    Arrival time: August 5 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Rio Uruguay + Rio Uruguay
    Rio Uruguay + Rio Uruguay
    Vehicle: BusDuration:

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

Average ticket price$103
Average bus trip duration20h
Number of daily buses1
Earliest bus departure5:15pm
Distance523 miles (842 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 for your trip Porto Alegre, RS - Buenos Aires, AR

Find cheapest prices for buses

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

Best price found
07/31
No data
08/01
$94
Today
No data
08/03
$89
08/04
$87
08/05
$60
08/06
$60
08/07
No data
busbud logoThe cheapest trip from Porto Alegre, RS to Buenos Aires, AR was searched and found on Aug 5, 2025 with a price of $60

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 $60 to $120 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 $60 which is on 2025-08-05.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while traveling 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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