Bus Porto Alegre, RS to Buenos Aires: Compare prices and save money

Compare all timetables for the bus from Porto Alegre, RS to Buenos Aires

Here is a selection of the cheapest bus trips from the schedule from Porto Alegre, RS to Buenos Aires from various bus operators like JBL Turismo or Flecha Bus for the next days.

today

$79

tomorrow

$110

Monday

$79

Tuesday

$79

Wednesday

$102

Thursday

$79

Friday

$120

Cheapest bus trips today
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	JBL Turismo	23h 10m	5:45 PM	Porto Alegre, RS	Central Bus Station	4:55 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$79	A Bus from JBL Turismo goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/25/2026 5:45:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/26/2026 4:55:00 PM. 50 Premium Economy ticket for $79 per person are available. Travel duration is 23h 10m

Cheapest bus trips tomorrow
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	JBL Turismo	22h 10m	5:45 PM	Porto Alegre, RS	Central Bus Station	3:55 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$110	A Bus from JBL Turismo goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/26/2026 5:45:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/27/2026 3:55:00 PM. 50 Premium Economy ticket for $110 per person are available. Travel duration is 22h 10m
	Flecha Bus	20h 0m	5:15 PM	Porto Alegre, RS	Central Bus Station	1:15 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$120	A Bus from Flecha Bus goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/26/2026 5:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/27/2026 1:15:00 PM. 50 Premium Economy ticket for $120 per person are available. Travel duration is 20h 0m

Did you know that if you travel from Porto Alegre, RS to Buenos Aires via Uruguaiana, RS, you can save more than $12? You can find the corresponding connections below.
- Viação Planalto
  
  24h 55m
  
  0
  
  3:00 PM
  
  Porto Alegre, RS
  Central Bus Station
  
  1:30 AM
  
  Uruguaiana, RS
  Central Bus Station
  
  0
  
  Basic
  
  $64
  
  A Bus from Viação Planalto goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/26/2026 3:00:00 PM to Central Bus Station, Uruguaiana, RS (Brazil) arriving at 7/27/2026 1:30:00 AM. 50 Basic ticket for $64 per person are available. Travel duration is 10h 30m
- JBL Turismo
  
  12h 5m
  
  0
  
  3:50 AM
  
  Uruguaiana, RS
  Central Bus Station
  
  3:55 PM
  
  Buenos Aires
  Retiro Bus Station
  
  0
  
  Premium Economy
  
  $33
  
  A Bus from JBL Turismo goes from Central Bus Station, Uruguaiana, RS (Brazil) at 7/27/2026 3:50:00 AM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/27/2026 3:55:00 PM. 50 Premium Economy ticket for $33 per person are available. Travel duration is 12h 5m
Travel time is 4h 55m longer, but you will save $12

Cheapest bus trips Monday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	JBL Turismo	24h 15m	5:45 PM	Porto Alegre, RS	Central Bus Station	6:00 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$79	A Bus from JBL Turismo goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/27/2026 5:45:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/28/2026 6:00:00 PM. 50 Premium Economy ticket for $79 per person are available. Travel duration is 24h 15m
	Flecha Bus	20h 0m	5:15 PM	Porto Alegre, RS	Central Bus Station	1:15 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$102	A Bus from Flecha Bus goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/27/2026 5:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/28/2026 1:15:00 PM. 50 Premium Economy ticket for $102 per person are available. Travel duration is 20h 0m

Cheapest bus trips Tuesday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	JBL Turismo	23h 10m	5:45 PM	Porto Alegre, RS	Central Bus Station	4:55 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$79	A Bus from JBL Turismo goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/28/2026 5:45:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/29/2026 4:55:00 PM. 50 Premium Economy ticket for $79 per person are available. Travel duration is 23h 10m
	Flecha Bus	20h 0m	5:15 PM	Porto Alegre, RS	Central Bus Station	1:15 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$102	A Bus from Flecha Bus goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/28/2026 5:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/29/2026 1:15:00 PM. 50 Premium Economy ticket for $102 per person are available. Travel duration is 20h 0m

Cheapest bus trips Wednesday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Flecha Bus	20h 0m	5:15 PM	Porto Alegre, RS	Central Bus Station	1:15 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$102	A Bus from Flecha Bus goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/29/2026 5:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/30/2026 1:15:00 PM. 50 Premium Economy ticket for $102 per person are available. Travel duration is 20h 0m

Cheapest bus trips Thursday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	JBL Turismo	23h 10m	5:45 PM	Porto Alegre, RS	Central Bus Station	4:55 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$79	A Bus from JBL Turismo goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/30/2026 5:45:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/31/2026 4:55:00 PM. 50 Premium Economy ticket for $79 per person are available. Travel duration is 23h 10m

Cheapest bus trips Friday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Flecha Bus	20h 0m	5:15 PM	Porto Alegre, RS	Central Bus Station	1:15 PM	Buenos Aires	Retiro Bus Station		Premium Economy	$120	A Bus from Flecha Bus goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/31/2026 5:15:00 PM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 8/1/2026 1:15:00 PM. 50 Premium Economy ticket for $120 per person are available. Travel duration is 20h 0m

Did you know that if you travel from Porto Alegre, RS to Buenos Aires via Uruguaiana, RS, you can save more than $22? You can find the corresponding connections below.
- Viação Planalto
  
  24h 55m
  
  0
  
  3:00 PM
  
  Porto Alegre, RS
  Central Bus Station
  
  1:30 AM
  
  Uruguaiana, RS
  Central Bus Station
  
  0
  
  Basic
  
  $64
  
  A Bus from Viação Planalto goes from Central Bus Station, Porto Alegre, RS (Brazil) at 7/26/2026 3:00:00 PM to Central Bus Station, Uruguaiana, RS (Brazil) arriving at 7/27/2026 1:30:00 AM. 50 Basic ticket for $64 per person are available. Travel duration is 10h 30m
- JBL Turismo
  
  12h 5m
  
  0
  
  3:50 AM
  
  Uruguaiana, RS
  Central Bus Station
  
  3:55 PM
  
  Buenos Aires
  Retiro Bus Station
  
  0
  
  Premium Economy
  
  $33
  
  A Bus from JBL Turismo goes from Central Bus Station, Uruguaiana, RS (Brazil) at 7/27/2026 3:50:00 AM to Retiro Bus Station, Buenos Aires (Argentina) arriving at 7/27/2026 3:55:00 PM. 50 Premium Economy ticket for $33 per person are available. Travel duration is 12h 5m
Travel time is 4h 55m longer, but you will save $22

Test cheapest views

The cheapest bus for the 7/20/2026 costs just $79, from JBL Turismo

Facts about the bus from Porto Alegre, RS to Buenos Aires

Compare all providers like JBL Turismo and Flecha Bus that travel 9 times every day by bus from Porto Alegre, RS to Buenos Aires in one click! Book your bus ticket from Porto Alegre, RS to Buenos Aires starting from $79!

Cheapest Bus	$79
Fastest Bus	20h 0m
Earliest Bus	5:45 PM
Latest Bus	5:15 PM
Daily Bus Routes	9 Ø
Distance	525.8 miles
Bus Companies	JBL Turismo and Flecha Bus

Cheapest bus connections from Porto Alegre, RS to Buenos Aires

Every day, 9 buses from 2 bus companies leave Porto Alegre, RS for Buenos Aires: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 07/25/2026 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 07/19

Monday 07/20

Tuesday 07/21

Wednesday 07/22

Thursday 07/23

Friday 07/24

Saturday 07/25

$89

Sunday 07/26

$102

Monday 07/27

$102

Tuesday 07/28

$102

Wednesday 07/29

$102

Thursday 07/30

$129

Friday 07/31

$134

Saturday 08/01

$129

Sunday 08/02

$129

Monday 08/03

$79

Tuesday 08/04

$89

Wednesday 08/05

$132

Thursday 08/06

$89

Friday 08/07

$132

Saturday 08/08

$89

Sunday 08/09

$129

Monday 08/10

$129

Tuesday 08/11

$129

Wednesday 08/12

$132

Thursday 08/13

$129

Friday 08/14

$132

Saturday 08/15

How to save money travelling from Porto Alegre, RS to Buenos Aires

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Porto Alegre, RS to Buenos Aires in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Porto Alegre, RS to Buenos Aires, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Porto Alegre, RS to Buenos Aires are also emptier.

All bus stations and stops in Porto Alegre, RS and Buenos Aires

In the map below, you can see where to find all bus stations in Porto Alegre, RS and Buenos Aires.

Central Bus Station

Largo Vespasiano Júlio Veppo 70

Garage Bus Station

Venancio Aires Al 1151 Venancio Aires Al 1151

Camping

Centro Histórico

Centro Histórico, Porto Alegre - RS, 90010-300, Brasil

Agronomia

Liniers Bus Station

Avenida General Paz , Liniers 10868/76

Retiro Bus Station

Av. Antártida Argentina y Calle 10 - Capital Federal. 10

Terminal de Ómnibus Dellepiane

Teniente General Luís Dellepiane Av. Perito Moreno 3950, Villa Soldati, Ciudad de Buenos Aires

Villa Tesei

Reyes Catolicos 246

Thames - Panamericana

Service and Comfort on the bus from Porto Alegre, RS to Buenos Aires

Want to know which seat classes are available on the buses from Porto Alegre, RS to Buenos Aires? Or which bus companies serve the route Porto Alegre, RS to Buenos Aires? Below you will find answers to your questions.

FAQs about the Porto Alegre, RS to Buenos Aires bus

How much does a Porto Alegre, RS Buenos Aires bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $79 and takes 23h 10m to reach Buenos Aires. Compare offers to save money!

How much could I save by comparing buses from Porto Alegre, RS to Buenos Aires?

This route is offered by 2 companies with a range of ticket prices between $79 and $179. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Buenos Aires.

On average, how many connections are available from Porto Alegre, RS to Buenos Aires each day?

Every day, the Porto Alegre, RS to Buenos Aires bus route is served by approximately 9 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Porto Alegre, RS to Buenos Aires take?

The fastest bus from Porto Alegre, RS to Buenos Aires is offered by Flecha Bus and takes 20h 0m. Bus tickets for this connection cost $120. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Porto Alegre, RS to Buenos Aires?

The earliest bus arriving in Buenos Aires from Porto Alegre, RS starts at 5:45 PM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from Porto Alegre, RS to Buenos Aires?

The latest bus trip departing from Porto Alegre, RS for Buenos Aires starts at 5:15 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Porto Alegre, RS Buenos Aires route?

When traveling by bus from Porto Alegre, RS to Buenos Aires, passengers can travel with JBL Turismo and Flecha Bus. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Porto Alegre, RS and Buenos Aires?

You can check all the direct connections between Porto Alegre, RS and Buenos Aires by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: JBL Turismo and Flecha Bus.

What can I take with me on the Porto Alegre, RS to Buenos Aires bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Porto Alegre, RS Buenos Aires bus route free of charge. Simply use our search to find a bus that is best suited to your needs for your planned travel date.

What equipment is available for the Porto Alegre, RS Buenos Aires bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Porto Alegre, RS to Buenos Aires on your planned travel date.

Available seat classes which are offered on the bus route Porto Alegre, RS to Buenos Aires

Premium Economy

A mix between Economy and Business, it offers extra legroom, WI-FI and possible snacks.

More bus routes to Porto Alegre, RS and to Buenos Aires

Here’s an overview of the most popular bus routes to Porto Alegre, RS and to Buenos Aires. Simply click on the connection of your choice, and you will find all the details about your bus route!