Bus Tickets from Rio de Janeiro to Buenos Aires, AR

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TodayAug 2
from $190
TomorrowAug 3
from $194
MonAug 4
from $110
TueAug 5
from $110
WedAug 6
from $220
ThuAug 7
from $110
FriAug 8
from $217
SatAug 9

Cheap buses leaving tomorrow

One passenger / one way

  • This trip is recommended because it is: Cheapest + Fastest
    Departure time: August 3 at
    Departure city: Rio de Janeiro
    Departure location: Novo Rio
    Arrival time: August 5 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Viação Penha + Flecha Bus
    Viação Penha + Flecha Bus
    Vehicle: BusDuration:
  • Departure time: August 3 at
    Departure city: Rio de Janeiro
    Departure location: Novo Rio
    Arrival time: August 5 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Viação Penha + Flecha Bus
    Viação Penha + Flecha Bus
    Vehicle: BusDuration:
  • Departure time: August 3 at
    Departure city: Rio de Janeiro
    Departure location: Novo Rio
    Arrival time: August 5 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Viação Penha + JBL
    Viação Penha + JBL
    Vehicle: BusDuration:
  • Departure time: August 3 at
    Departure city: Rio de Janeiro
    Departure location: Novo Rio
    Arrival time: August 5 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Viação Penha + Flecha Bus
    Viação Penha + Flecha Bus
    Vehicle: BusDuration:
  • Departure time: August 3 at
    Departure city: Rio de Janeiro
    Departure location: Novo Rio
    Arrival time: August 5 at
    Destination city: Buenos Aires
    Destination location: Terminal de Retiro
    Operated by: Viação Penha + Flecha Bus
    Viação Penha + Flecha Bus
    Vehicle: BusDuration:

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Bus Rio de Janeiro to Buenos Aires, AR: Trip Overview

Average ticket price$112
Average bus trip duration1d 20h
Number of daily buses1
Earliest bus departure7:30am
Distance1218 miles (1964 km)
Latest bus departure12:55pm

Rio de Janeiro to Buenos Aires Bus

Busbud shows you the best bus ticket fares and bus schedules so you can easily plan and book a trip by bus from Rio de Janeiro to Buenos Aires.

We make it our job to connect you with the most dependable bus companies that cover bus service from Rio de Janeiro to Buenos Aires.

Discover how much the bus trip from Rio de Janeiro 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 Rio de Janeiro - 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
$92
08/01
No data
Today
No data
08/03
No data
08/04
$93
08/05
$93
08/06
No data
08/07
$93
busbud logoThe cheapest trip from Rio de Janeiro to Buenos Aires, AR was searched and found on Jul 31, 2025 with a price of $92

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

You can expect to pay from $92 to $93 for a bus ticket from Rio de Janeiro to Buenos Aires, AR based on the last 2 days. You can expect to find the cheapest price for the trip at $93 which is on 2025-08-04.

About Bus Travel

Bus Travel Tips

If you're abroad, study some local language. Not only could it get you out of a pickle during your bus trip from Rio de Janeiro to Buenos Aires but it'll also be endearing to native speakers who will surely appreciate your effort.

From miles long of beauteous natural landscapes to impressive man-crafted sights, you're bound to be in for a visual treat on your bus trip from Rio de Janeiro to Buenos Aires.

Buses have one of the smallest carbon footprints of motorized transport modes. A bus going from Rio de Janeiro 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 Rio de Janeiro to Buenos Aires.

Did you know?

Did you know some bus companies in Germany offer to their passenger low-costs snacks and regional beer based on their destination? Prosit!

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travelers have used their electronic device on board during 2014.

Will you be returning to Rio de Janeiro by bus?

Bus from Rio de Janeiro to Buenos Aires, AR

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