Bus tickets Santiago, RM to Buenos Aires from £65

Compare all the coach companies and find the best price with CheckMyBus
Search for your destination Millions of deals worldwide
Compare results Save up to 70%
Find the right bus for you Easy and transparent

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 for the next days.

today
£69
tomorrow
£69
Sunday
Monday
£69
Tuesday
Wednesday
£69
Thursday
£69

Cheapest bus trips today

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 23h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £69
CATA Internacional 19h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £69
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £15? You can find the corresponding connections below.
    • Coitram
      23h 25m
      0
      07:45
      Santiago, RM
      Sur Bus Station
      15:45
      Mendoza
      Bus Station
      0
      Coitram
      Basic
      £25
      • Waiting Time 0h 45m
    • Vía Tac
      14h 40m
      0
      16:30
      Mendoza
      Bus Station
      07:10
      Buenos Aires
      Liniers Bus Station
      0
      Vía Tac
      Premium Economy
      £29
    Travel time is 3h 35m longer, but you will save £15

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 23h 30m 09:00 Santiago, RM Los Héroes Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £69
CATA Internacional 19h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £69
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £15? You can find the corresponding connections below.
    • Coitram
      23h 25m
      0
      07:45
      Santiago, RM
      Sur Bus Station
      15:45
      Mendoza
      Bus Station
      0
      Coitram
      Basic
      £25
      • Waiting Time 0h 45m
    • Vía Tac
      14h 40m
      0
      16:30
      Mendoza
      Bus Station
      07:10
      Buenos Aires
      Liniers Bus Station
      0
      Vía Tac
      Premium Economy
      £29
    Travel time is 3h 35m longer, but you will save £15

Cheapest bus trips Monday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 23h 30m 09:00 Santiago, RM Los Héroes Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £69
CATA Internacional 19h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £69
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £15? You can find the corresponding connections below.
    • Coitram
      23h 25m
      0
      07:45
      Santiago, RM
      Sur Bus Station
      15:45
      Mendoza
      Bus Station
      0
      Coitram
      Basic
      £25
      • Waiting Time 0h 45m
    • Vía Tac
      14h 40m
      0
      16:30
      Mendoza
      Bus Station
      07:10
      Buenos Aires
      Liniers Bus Station
      0
      Vía Tac
      Premium Economy
      £29
    Travel time is 3h 35m longer, but you will save £15

Cheapest bus trips Wednesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 19h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £69
CATA Internacional 23h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £69
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £15? You can find the corresponding connections below.
    • Coitram
      23h 25m
      0
      07:45
      Santiago, RM
      Sur Bus Station
      15:45
      Mendoza
      Bus Station
      0
      Coitram
      Basic
      £25
      • Waiting Time 0h 45m
    • Vía Tac
      14h 40m
      0
      16:30
      Mendoza
      Bus Station
      07:10
      Buenos Aires
      Liniers Bus Station
      0
      Vía Tac
      Premium Economy
      £29
    Travel time is 3h 35m longer, but you will save £15

Cheapest bus trips Thursday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 19h 50m 09:00 Santiago, RM Sur Bus Station 04:50 Buenos Aires Liniers Bus Station  Premium Economy £69
CATA Internacional 23h 30m 09:00 Santiago, RM Sur Bus Station 08:30 Buenos Aires Retiro Bus Station  Premium Economy £69
  • Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £15? You can find the corresponding connections below.
    • Coitram
      23h 25m
      0
      07:45
      Santiago, RM
      Sur Bus Station
      15:45
      Mendoza
      Bus Station
      0
      Coitram
      Basic
      £25
      • Waiting Time 0h 45m
    • Vía Tac
      14h 40m
      0
      16:30
      Mendoza
      Bus Station
      07:10
      Buenos Aires
      Liniers Bus Station
      0
      Vía Tac
      Premium Economy
      £29
    Travel time is 3h 35m longer, but you will save £15

Best Price Offer: The price for the cheapest coach from Santiago, RM to Buenos Aires is £65 on 09/10/2026. Flexible travellers save on ticket prices.


Facts about coaches from Santiago, RM to Buenos Aires

Compare all providers like CATA Internacional that travel 13 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 £65!

Cheapest Bus £65
Fastest Bus 19h 50m
Earliest Coach 09:00
Latest Coach 09:00
Daily Bus Connections 13 Ø
Distance 1,137.6 km
Coach Companies CATA Internacional

Cheapest coach connections from Santiago, RM to Buenos Aires

Every day, 13 buses from 1 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 18/09/2026 and for the following days.

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 14/09
Tuesday 15/09
Wednesday 16/09
Thursday 17/09
Friday 18/09
£75
Saturday 19/09
£96
Sunday 20/09
£105
Monday 21/09
£105
Tuesday 22/09
£105
Wednesday 23/09
£69
Thursday 24/09
£78
Friday 25/09
£69
Saturday 26/09
£69
Sunday 27/09
£96
Monday 28/09
£69
Tuesday 29/09
£65
Wednesday 30/09
£75
Thursday 01/10
£69
Friday 02/10
£69
Saturday 03/10
£69
Sunday 04/10
£105
Monday 05/10
£69
Tuesday 06/10
£105
Wednesday 07/10
£78
Thursday 08/10
£78
Friday 09/10
£65
Saturday 10/10
£69
Sunday 11/10

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.

Latest reviews for coach companies on the route Santiago, RM - Buenos Aires

CATA Internacional
Florencia, 25/11/2025
Viaje super incomoda , apagaron el aire acondicionado en un momento , no dan servicio a bordo, subieron equipaje a asientos vacios, arriba la parte que tienen para dejar el equipaje de mano por el esp ... Viaje super incomoda , apagaron el aire acondicionado en un momento , no dan servicio a bordo, subieron equipaje a asientos vacios, arriba la parte que tienen para dejar el equipaje de mano por el espacio que tiene no entra nada. Te piden propina todo el rato. Viaje hace unos meses con otra empresa que hacia el mismo recorrido y viaje muy comoda. Fueron muy amables los de andesmar. Los de cata me hicieron pasar un viaje desagradable.

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.

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 £65 and takes 23h 30m. 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 1 companies with ticket prices ranging from £65 to £91. 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 13 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 £79. 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. 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.

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.

How does CheckMyBus find the best bus deals from Santiago, RM to Buenos Aires?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 13 daily trips between Santiago, RM and Buenos Aires. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from Santiago, RM to Buenos Aires?

Prices and availability for 13 trips between Santiago, RM and Buenos Aires change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

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.

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 Litueche to Santiago, RM Coach Litueche to Santiago, RM
Bus from Constitución to Santiago, RM Bus from Constitución to Santiago, RM
Buses Las Cruces to Santiago, RM Buses Las Cruces to Santiago, RM
Buses Parral to Santiago, RM Buses Parral to Santiago, RM
Bus Mar de Ajó to Buenos Aires Bus Mar de Ajó to Buenos Aires
Coach to Buenos Aires from Pergamino Coach to Buenos Aires from Pergamino
Buses Santa Cruz, LI to Buenos Aires Buses Santa Cruz, LI to Buenos Aires
Coach to Buenos Aires from Necochea Coach to Buenos Aires from Necochea
Popular Airport Transfers to Santiago, RM and to Buenos Aires
CheckMyBus › Coaches in Chile › Coach to Santiago, RM › Coach to Buenos Aires

The CheckMyBus App

Free Download

App Store
CheckMyBus App
Close
GPDR CheckMyBus shield

We value your privacy!

To

show

you

the

best

bus

deals,

we

and

our

partners

use

technical,

analytical,

and

marketing

cookies

for

ads

personalisation.

We

remember

your

anonymized

details

to

provide

a

personalized

experience.