Bus and Coach from Santiago, RM to Buenos Aires: Compare all prices

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

£72

tomorrow

Monday

£72

Tuesday

Wednesday

Thursday

£72

Friday

£72

Cheapest bus trips today
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	£72	A Bus from CATA Internacional goes from Sur Bus Station, Santiago, RM (Chile) at 20/12/2025 09:00:00 to Liniers Bus Station, Buenos Aires (Argentina) arriving at 21/12/2025 04:50:00. 50 Premium Economy ticket for £72 per person are available. Travel duration is 19h 50m
	CATA Internacional	23h 30m	09:00	Santiago, RM	Sur Bus Station	08:30	Buenos Aires	Retiro Bus Station		Premium Economy	£72	A Bus from CATA Internacional goes from Sur Bus Station, Santiago, RM (Chile) at 20/12/2025 09:00:00 to Retiro Bus Station, Buenos Aires (Argentina) arriving at 21/12/2025 08:30:00. 50 Premium Economy ticket for £72 per person are available. Travel duration is 23h 30m

Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £13? You can find the corresponding connections below.
- Plataforma 10
  
  24h 30m
  
  0
  
  07:45
  
  Santiago, RM
  Sur Bus Station
  
  15:45
  
  Mendoza
  Bus Station
  
  0
  
  Basic
  
  £18
  
  A Bus from Plataforma 10 goes from Sur Bus Station, Santiago, RM (Chile) at 21/12/2025 07:45:00 to Bus Station, Mendoza (Argentina) arriving at 21/12/2025 15:45:00. 50 Basic ticket for £18 per person are available. Travel duration is 8h 0m
- Plataforma 10
  
  15h 30m
  
  0
  
  16:45
  
  Mendoza
  Bus Station
  
  08:15
  
  Buenos Aires
  Retiro Bus Station
  
  0
  
  Premium Economy
  
  £41
  
  A Bus from Plataforma 10 goes from Bus Station, Mendoza (Argentina) at 21/12/2025 16:45:00 to Retiro Bus Station, Buenos Aires (Argentina) arriving at 22/12/2025 08:15:00. 50 Premium Economy ticket for £41 per person are available. Travel duration is 15h 30m
Travel time is 4h 40m longer, but you will save £13

Cheapest bus trips Monday
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	£72	A Bus from CATA Internacional goes from Sur Bus Station, Santiago, RM (Chile) at 22/12/2025 09:00:00 to Liniers Bus Station, Buenos Aires (Argentina) arriving at 23/12/2025 04:50:00. 50 Premium Economy ticket for £72 per person are available. Travel duration is 19h 50m
	CATA Internacional	23h 30m	09:00	Santiago, RM	Sur Bus Station	08:30	Buenos Aires	Retiro Bus Station		Premium Economy	£72	A Bus from CATA Internacional goes from Sur Bus Station, Santiago, RM (Chile) at 22/12/2025 09:00:00 to Retiro Bus Station, Buenos Aires (Argentina) arriving at 23/12/2025 08:30:00. 50 Premium Economy ticket for £72 per person are available. Travel duration is 23h 30m

Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £16? You can find the corresponding connections below.
- Voyenbus
  
  24h 30m
  
  0
  
  07:45
  
  Santiago, RM
  Los Héroes Station
  
  15:45
  
  Mendoza
  Bus Station
  
  0
  
  Basic
  
  £18
  
  A Bus from Voyenbus goes from Los Héroes Station, Santiago, RM (Chile) at 23/12/2025 07:45:00 to Bus Station, Mendoza (Argentina) arriving at 23/12/2025 15:45:00. 50 Basic ticket for £18 per person are available. Travel duration is 8h 0m
- Plataforma 10
  
  15h 30m
  
  0
  
  16:45
  
  Mendoza
  Bus Station
  
  08:15
  
  Buenos Aires
  Retiro Bus Station
  
  0
  
  Premium Economy
  
  £38
  
  A Bus from Plataforma 10 goes from Bus Station, Mendoza (Argentina) at 23/12/2025 16:45:00 to Retiro Bus Station, Buenos Aires (Argentina) arriving at 24/12/2025 08:15:00. 50 Premium Economy ticket for £38 per person are available. Travel duration is 15h 30m
Travel time is 4h 40m longer, but you will save £16

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	£72	A Bus from CATA Internacional goes from Sur Bus Station, Santiago, RM (Chile) at 25/12/2025 09:00:00 to Liniers Bus Station, Buenos Aires (Argentina) arriving at 26/12/2025 04:50:00. 50 Premium Economy ticket for £72 per person are available. Travel duration is 19h 50m
	CATA Internacional	23h 30m	09:00	Santiago, RM	Sur Bus Station	08:30	Buenos Aires	Retiro Bus Station		Premium Economy	£72	A Bus from CATA Internacional goes from Sur Bus Station, Santiago, RM (Chile) at 25/12/2025 09:00:00 to Retiro Bus Station, Buenos Aires (Argentina) arriving at 26/12/2025 08:30:00. 50 Premium Economy ticket for £72 per person are available. Travel duration is 23h 30m

Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £16? You can find the corresponding connections below.
- Voyenbus
  
  24h 30m
  
  0
  
  07:45
  
  Santiago, RM
  Los Héroes Station
  
  15:45
  
  Mendoza
  Bus Station
  
  0
  
  Basic
  
  £18
  
  A Bus from Voyenbus goes from Los Héroes Station, Santiago, RM (Chile) at 23/12/2025 07:45:00 to Bus Station, Mendoza (Argentina) arriving at 23/12/2025 15:45:00. 50 Basic ticket for £18 per person are available. Travel duration is 8h 0m
- Plataforma 10
  
  15h 30m
  
  0
  
  16:45
  
  Mendoza
  Bus Station
  
  08:15
  
  Buenos Aires
  Retiro Bus Station
  
  0
  
  Premium Economy
  
  £38
  
  A Bus from Plataforma 10 goes from Bus Station, Mendoza (Argentina) at 23/12/2025 16:45:00 to Retiro Bus Station, Buenos Aires (Argentina) arriving at 24/12/2025 08:15:00. 50 Premium Economy ticket for £38 per person are available. Travel duration is 15h 30m
Travel time is 4h 40m longer, but you will save £16

Cheapest bus trips Friday
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	£72	A Bus from CATA Internacional goes from Los Héroes Station, Santiago, RM (Chile) at 26/12/2025 09:00:00 to Retiro Bus Station, Buenos Aires (Argentina) arriving at 27/12/2025 08:30:00. 50 Premium Economy ticket for £72 per person are available. Travel duration is 23h 30m
	CATA Internacional	19h 50m	09:00	Santiago, RM	Sur Bus Station	04:50	Buenos Aires	Liniers Bus Station		Premium Economy	£72	A Bus from CATA Internacional goes from Sur Bus Station, Santiago, RM (Chile) at 26/12/2025 09:00:00 to Liniers Bus Station, Buenos Aires (Argentina) arriving at 27/12/2025 04:50:00. 50 Premium Economy ticket for £72 per person are available. Travel duration is 19h 50m

Did you know that if you travel from Santiago, RM to Buenos Aires via Mendoza, you can save more than £16? You can find the corresponding connections below.
- Voyenbus
  
  24h 30m
  
  0
  
  07:45
  
  Santiago, RM
  Los Héroes Station
  
  15:45
  
  Mendoza
  Bus Station
  
  0
  
  Basic
  
  £18
  
  A Bus from Voyenbus goes from Los Héroes Station, Santiago, RM (Chile) at 23/12/2025 07:45:00 to Bus Station, Mendoza (Argentina) arriving at 23/12/2025 15:45:00. 50 Basic ticket for £18 per person are available. Travel duration is 8h 0m
- Plataforma 10
  
  15h 30m
  
  0
  
  16:45
  
  Mendoza
  Bus Station
  
  08:15
  
  Buenos Aires
  Retiro Bus Station
  
  0
  
  Premium Economy
  
  £38
  
  A Bus from Plataforma 10 goes from Bus Station, Mendoza (Argentina) at 23/12/2025 16:45:00 to Retiro Bus Station, Buenos Aires (Argentina) arriving at 24/12/2025 08:15:00. 50 Premium Economy ticket for £38 per person are available. Travel duration is 15h 30m
Travel time is 4h 40m longer, but you will save £16

Best Price Offer: The price for the cheapest coach from Santiago, RM to Buenos Aires is £72 on 20/12/2025. 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 £72!

Cheapest Bus	£72
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 20/12/2025 and for the following days.

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Monday 15/12

Tuesday 16/12

Wednesday 17/12

Thursday 18/12

Friday 19/12

Saturday 20/12

£72

Sunday 21/12

Monday 22/12

£72

Tuesday 23/12

Wednesday 24/12

Thursday 25/12

£72

Friday 26/12

£82

Saturday 27/12

£94

Sunday 28/12

Monday 29/12

£72

Tuesday 30/12

Wednesday 31/12

Thursday 01/01

£72

Friday 02/01

£72

Saturday 03/01

£72

Sunday 04/01

Monday 05/01

£72

Tuesday 06/01

Wednesday 07/01

£82

Thursday 08/01

£72

Friday 09/01

£72

Saturday 10/01

£72

Sunday 11/01

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

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

Cheapest Price	£72
Fastest Coach	19h 50m
Earliest Coach	09:00
Last Coach	09:00
Daily Connections	13 Ø
Found on	20/12/2025

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

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.

Sur Bus Station

Av Libertador Bernardo O'Higgins 3850

Terminal San Borja

San Francisco de Borja 198-180

Terminal Alameda

Av Libertador Bernardo O'Higgins 3750

Terminal Pajaritos

Av. Gral. Óscar Bonilla 5935-5939

Los Héroes Station

Tucapel Jiménez 22

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

Terminal Colonia Express

Av. Elvira Rawson de Dellepiane 155

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 £72 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 £72 to £98. 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 £95. 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

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!