Bus tickets Santiago, RM to Buenos Aires from £57

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Compare all timetables for the bus from Santiago, RM to Buenos Aires

Here is a selection of the cheapest bus trips from the schedule from Santiago, RM to Buenos Aires from various bus operators like CATA Internacional or Buses Pullman Fénix Internacional for the next days.

today
from £57
tomorrow
from £57
Saturday
from £57
Sunday
Monday
from £57
Tuesday
Wednesday
from £57

Cheapest bus trips today

Prices are for one way and one person
Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Los Héroes Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
Buses Pullman Fénix Internacional 19h 30m 09:30 Santiago, RM Sur Bus Station 06:00 Buenos Aires Once  First Class £88
Buses Pullman Fénix Internacional 19h 0m 10:00 Santiago, RM Sur Bus Station 06:00 Buenos Aires Once  First Class £88
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £11? You can find the corresponding connections below.
    • kupos.cl
      19h 5m
      0
      12:50
      Santiago, RM
      Sur Bus Station
      16:50
      Mendoza
      Bus Station
      0
      kupos.cl
      Premium Economy
      £27
      • Waiting Time 0h 40m
    • Plataforma 10
      14h 25m
      0
      17:30
      Mendoza
      Bus Station
      07:55
      Buenos Aires
      Retiro Bus Station
      0
      Plataforma 10
      Premium Economy
      £19
    Travel Time is 0h 45m shorter, and you will save £11

Cheapest bus trips tomorrow

Prices are for one way and one person
Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 22h 30m 09:00 Santiago, RM Los Héroes Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £57
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £61
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £19? You can find the corresponding connections below.
    • Voyenbus
      23h 30m
      0
      07:45
      Santiago, RM
      Los Héroes Station
      15:45
      Mendoza
      Bus Station
      0
      Voyenbus
      Basic
      £20
      • Waiting Time 1h 0m
    • Plataforma 10
      15h 30m
      0
      16:45
      Mendoza
      Bus Station
      08:15
      Buenos Aires
      Retiro Bus Station
      0
      Plataforma 10
      Premium Economy
      £18
    Travel time is 3h 40m longer, but you will save £19

Cheapest bus trips Saturday

Prices are for one way and one person
Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Los Héroes Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £62
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £19? You can find the corresponding connections below.
    • Voyenbus
      23h 30m
      0
      07:45
      Santiago, RM
      Los Héroes Station
      15:45
      Mendoza
      Bus Station
      0
      Voyenbus
      Basic
      £20
      • Waiting Time 1h 0m
    • Plataforma 10
      15h 30m
      0
      16:45
      Mendoza
      Bus Station
      08:15
      Buenos Aires
      Retiro Bus Station
      0
      Plataforma 10
      Premium Economy
      £18
    Travel time is 3h 40m longer, but you will save £19

Cheapest bus trips Monday

Prices are for one way and one person
Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 22h 30m 09:00 Santiago, RM Los Héroes Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £62
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £19? You can find the corresponding connections below.
    • Voyenbus
      23h 30m
      0
      07:45
      Santiago, RM
      Los Héroes Station
      15:45
      Mendoza
      Bus Station
      0
      Voyenbus
      Basic
      £20
      • Waiting Time 1h 0m
    • Plataforma 10
      15h 30m
      0
      16:45
      Mendoza
      Bus Station
      08:15
      Buenos Aires
      Retiro Bus Station
      0
      Plataforma 10
      Premium Economy
      £18
    Travel time is 3h 40m longer, but you will save £19

Cheapest bus trips Wednesday

Prices are for one way and one person
Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Los Héroes Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 22h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £57
CATA Internacional 18h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £62
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £19? You can find the corresponding connections below.
    • Voyenbus
      23h 30m
      0
      07:45
      Santiago, RM
      Los Héroes Station
      15:45
      Mendoza
      Bus Station
      0
      Voyenbus
      Basic
      £20
      • Waiting Time 1h 0m
    • Plataforma 10
      15h 30m
      0
      16:45
      Mendoza
      Bus Station
      08:15
      Buenos Aires
      Retiro Bus Station
      0
      Plataforma 10
      Premium Economy
      £18
    Travel time is 3h 40m longer, but you will save £19

Best Price Offer: The price for the cheapest coach from Santiago, RM to Buenos Aires is £57 on 21/08/2025. Flexible travellers save on ticket prices.


Facts about coaches from Santiago, RM to Buenos Aires

Compare all providers like CATA Internacional and Buses Pullman Fénix Internacional that travel 17 times every day by bus from Santiago, RM to Buenos Aires in one click! Book your bus ticket from Santiago, RM to Buenos Aires starting from £57!

Cheapest Bus £57
Fastest Bus 19h 50m
Earliest Coach 09:00
Latest Coach 09:00
Daily Bus Connections 17 Ø
Distance 1,137.6 km
Coach Companies CATA Internacional and Buses Pullman Fénix Internacional

Cheapest coach connections from Santiago, RM to Buenos Aires

Every day, 17 buses from 2 coach companies leave Santiago, RM for Buenos Aires: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 22/08/2025 and for the following days.

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 18/08
Tuesday 19/08
Wednesday 20/08
Thursday 21/08
£57
Friday 22/08
£57
Saturday 23/08
£57
Sunday 24/08
Monday 25/08
£57
Tuesday 26/08
Wednesday 27/08
£62
Thursday 28/08
£57
Friday 29/08
£57
Saturday 30/08
£57
Sunday 31/08
Monday 01/09
£57
Tuesday 02/09
Wednesday 03/09
£57
Thursday 04/09
£57
Friday 05/09
£57
Saturday 06/09
£57
Sunday 07/09
Monday 08/09
£57
Tuesday 09/09
Wednesday 10/09
£57
Thursday 11/09
£57
Friday 12/09
£57
Saturday 13/09
£57
Sunday 14/09

How to save money travelling from Santiago, RM 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 Santiago, RM 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 Santiago, RM 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 coaches from Santiago, RM to Buenos Aires are also emptier.

Beloved bus companies from Santiago, RM to Buenos Aires

These are the most booked bus companies between Santiago, RM to Buenos Aires from our users.

CATA Internacional from Santiago, RM to Buenos Aires

CATA Internacional

Here you will find the key facts about the CATA Internacional bus route Santiago, RM to Buenos Aires:

Cheapest Price £57
Fastest Coach 19h 50m
Earliest Coach 09:00
Last Coach 09:00
Daily Connections 17 Ø
Found on 20/08/2025

All bus stations and stops in Santiago, RM and Buenos Aires

The map below shows you where to find all the bus stations in Santiago, RM and Buenos Aires.

Compare the bus with other modes of transport

The bus is often the cheapest mode of transport, while other modes like train or flight are faster. Looking for quicker alternatives to travel from Santiago, RM to Buenos Aires? Compare all modes of transports from Santiago, RM to Buenos Aires.

Service and Comfort on the bus from Santiago, RM to Buenos Aires

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

FAQs about the Santiago, RM to Buenos Aires bus

How much does a Santiago, RM - Buenos Aires coach trip cost?

This depends on, among other things, the day and travel time. The cheapest ticket for the Santiago, RM - Buenos Aires bus trip is available from £57 and takes 19h 50m. Compare offers and save money!

How much could I save by comparing buses from Santiago, RM to Buenos Aires?

The connection Santiago, RM to Buenos Aires is offered by 2 companies with ticket prices ranging from £57 to £88. Therefore, we suggest booking your ticket as soon as possible to ensure you will get the cheapest ticket price.

How many connections are available for the Santiago, RM - Buenos Aires route on average every day?

Each day, the bus route from Santiago, RM to Buenos Aires is offered by roughly 17 busses. By using our search, you can compare bus schedules and find your ideal trip.

How long does a bus to Buenos Aires from Santiago, RM take?

The quickest coach from Santiago, RM to Buenos Aires is provided by CATA Internacional and takes 19h 50m. Coach tickets for this connection cost £88. However, keep in mind that the connection can take longer due to traffic.

What time is the first bus from Santiago, RM to Buenos Aires?

The earliest bus to Buenos Aires departs from Santiago, RM at 09:00. In this context, information about departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

What time is the last coach from Santiago, RM to Buenos Aires?

The latest bus to Buenos Aires departs from Santiago, RM at 09:00. Please note that departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

Which bus companies serve the Santiago, RM - Buenos Aires route?

Passengers looking to travel from Santiago, RM to Buenos Aires can travel with CATA Internacional and Buses Pullman Fénix Internacional. Compare all available bus tickets with our search to book the trip that works best for you.

Is there a direct bus between Santiago, RM and Buenos Aires?

You can check all the direct connections between Santiago, RM 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: CATA Internacional and Buses Pullman Fénix Internacional.

What can I take with me on the bus to Buenos Aires from Santiago, RM?

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

What equipment is available for the Santiago, RM 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 travelling 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 Santiago, RM to Buenos Aires on your planned travel date.

Available seat classes which are offered on the bus route Santiago, RM to Buenos Aires

Premium Economy
PremiumEconomy

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

First Class
First

Best of the best: you will find the most comfortable accommodation to work or relax during your travel.

More bus routes to Santiago, RM and to Buenos Aires

Here’s an overview of the most popular bus routes to Santiago, RM and to Buenos Aires. Simply click on the connection of your choice, and you will find all the details about your bus route!
Coach La Serena to Santiago, RM Coach La Serena to Santiago, RM
Coaches Viña del Mar to Santiago, RM Coaches Viña del Mar to Santiago, RM
Calama to Santiago, RM bus Calama to Santiago, RM bus
Bus from Iquique to Santiago, RM Bus from Iquique to Santiago, RM
Bus from Córdoba, CD to Buenos Aires Bus from Córdoba, CD to Buenos Aires
Bus Bariloche to Buenos Aires Bus Bariloche to Buenos Aires
Bus from Salta to Buenos Aires Bus from Salta to Buenos Aires
Bus from Rio de Janeiro to Buenos Aires Bus from Rio de Janeiro to Buenos Aires
Popular Airport Transfers to Santiago, RM and to Buenos Aires
CheckMyBus › Coaches in Chile › Coach to Santiago, RM › Coach to Buenos Aires

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