Which bus from Buenos Aires to Santiago, RM is the cheapest?

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

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

today
$100
tomorrow
Thursday
$100
Friday
$100
Saturday
$100
Sunday
Monday
$100

Cheapest bus trips today

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 22h 0m 2:00 PM Buenos Aires Retiro Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $19? You can find the corresponding connections below.
    • 20 de Junio
      21h 0m
      0
      9:00 PM
      Buenos Aires
      Villa Tesei
      9:45 AM
      Mendoza
      Bus Station
      0
      20 de Junio
      Premium Economy
      $48
      • Waiting Time 0h 15m
    • CATA Internacional
      8h 0m
      0
      10:00 AM
      Mendoza
      Bus Station
      6:00 PM
      Santiago, RM
      Los Héroes Station
      0
      CATA Internacional
      Business
      $32
    Travel Time is 0h 20m shorter, and you will save $19

Cheapest bus trips Thursday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 22h 0m 2:00 PM Buenos Aires Retiro Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $19? You can find the corresponding connections below.
    • 20 de Junio
      21h 0m
      0
      9:00 PM
      Buenos Aires
      Villa Tesei
      9:45 AM
      Mendoza
      Bus Station
      0
      20 de Junio
      Premium Economy
      $48
      • Waiting Time 0h 15m
    • CATA Internacional
      8h 0m
      0
      10:00 AM
      Mendoza
      Bus Station
      6:00 PM
      Santiago, RM
      Los Héroes Station
      0
      CATA Internacional
      Business
      $32
    Travel Time is 0h 20m shorter, and you will save $19

Cheapest bus trips Friday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 22h 0m 2:00 PM Buenos Aires Retiro Bus Station 12:00 PM Santiago, RM Los Héroes Station  Business $100
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $19? You can find the corresponding connections below.
    • 20 de Junio
      21h 0m
      0
      9:00 PM
      Buenos Aires
      Villa Tesei
      9:45 AM
      Mendoza
      Bus Station
      0
      20 de Junio
      Premium Economy
      $48
      • Waiting Time 0h 15m
    • CATA Internacional
      8h 0m
      0
      10:00 AM
      Mendoza
      Bus Station
      6:00 PM
      Santiago, RM
      Los Héroes Station
      0
      CATA Internacional
      Business
      $32
    Travel Time is 0h 20m shorter, and you will save $19

Cheapest bus trips Saturday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 22h 0m 2:00 PM Buenos Aires Retiro Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
Buses Pullman Fénix Internacional 19h 30m 2:30 PM Buenos Aires Once 10:00 AM Santiago, RM Sur Bus Station  First Class $126
Buses Pullman Fénix Internacional 20h 0m 2:30 PM Buenos Aires Once 10:30 AM Santiago, RM Sur Bus Station  First Class $126
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $19? You can find the corresponding connections below.
    • 20 de Junio
      21h 0m
      0
      9:00 PM
      Buenos Aires
      Villa Tesei
      9:45 AM
      Mendoza
      Bus Station
      0
      20 de Junio
      Premium Economy
      $48
      • Waiting Time 0h 15m
    • CATA Internacional
      8h 0m
      0
      10:00 AM
      Mendoza
      Bus Station
      6:00 PM
      Santiago, RM
      Los Héroes Station
      0
      CATA Internacional
      Business
      $32
    Travel time is 1h 30m longer, but you will save $19

Cheapest bus trips Monday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
CATA Internacional 22h 0m 2:00 PM Buenos Aires Retiro Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $100
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $39? You can find the corresponding connections below.
    • 20 de Junio
      31h 10m
      0
      9:00 PM
      Buenos Aires
      Villa Tesei
      9:45 AM
      Mendoza
      Bus Station
      0
      20 de Junio
      Premium Economy
      $48
      • Waiting Time 11h 25m
    • JBL Turismo
      7h 0m
      0
      9:10 PM
      Mendoza
      Hotel Hyatt
      4:10 AM
      Santiago, RM
      Sur Bus Station
      0
      JBL Turismo
      Basic
      $13
    Travel time is 9h 50m longer, but you will save $39

Best Price Offer: The price for the cheapest bus from Buenos Aires to Santiago, RM is $100 on 3/24/2026. Flexible travelers save on ticket prices.


Facts about the bus from Buenos Aires to Santiago, RM

Compare all providers like CATA Internacional and Buses Pullman Fénix Internacional that travel 15 times every day by bus from Buenos Aires to Santiago, RM in one click! Book your bus ticket from Buenos Aires to Santiago, RM starting from $100!

Cheapest Bus $100
Fastest Bus 19h 30m
Earliest Bus 2:00 PM
Latest Bus 2:40 PM
Daily Bus Routes 15 Ø
Distance 707.1 miles
Bus Companies CATA Internacional and Buses Pullman Fénix Internacional

Cheapest bus connections from Buenos Aires to Santiago, RM

Every day, 15 buses from 2 bus companies leave Buenos Aires for Santiago, RM: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 03/24/2026 and for the following days.

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday 03/22
Monday 03/23
Tuesday 03/24
$100
Wednesday 03/25
Thursday 03/26
$100
Friday 03/27
$100
Saturday 03/28
$110
Sunday 03/29
$126
Monday 03/30
$100
Tuesday 03/31
$100
Wednesday 04/01
Thursday 04/02
$100
Friday 04/03
$100
Saturday 04/04
$100
Sunday 04/05
$126
Monday 04/06
$110
Tuesday 04/07
$100
Wednesday 04/08
Thursday 04/09
$100
Friday 04/10
$100
Saturday 04/11
$100
Sunday 04/12
Monday 04/13
$100
Tuesday 04/14
$100
Wednesday 04/15
Thursday 04/16
$100
Friday 04/17
$100
Saturday 04/18

How to save money travelling from Buenos Aires to Santiago, RM

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 Buenos Aires to Santiago, RM 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 Buenos Aires to Santiago, RM, 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 Buenos Aires to Santiago, RM are also emptier.

Beloved bus companies from Buenos Aires to Santiago, RM

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

CATA Internacional from Buenos Aires to Santiago, RM

CATA Internacional

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

Cheapest Price $100
Fastest Bus 21h 20m
Earliest Bus 2:00 PM
Last Bus 2:40 PM
Daily Connections 14 Ø
Found on 3/24/2026

Buses Pullman Fénix Internacional from Buenos Aires to Santiago, RM

Buses Pullman Fénix Internacional

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

Cheapest Price $126
Fastest Bus 19h 30m
Earliest Bus 2:30 PM
Last Bus 2:30 PM
Daily Connections 2 Ø
Found on 3/23/2026

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

In the map below, you can see where to find all bus stations in Buenos Aires and Santiago, RM.

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 Buenos Aires to Santiago, RM? Compare all modes of transports from Buenos Aires to Santiago, RM.

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

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

FAQs about the Buenos Aires to Santiago, RM bus

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

This depends on, among other things, the day and time of travel. The cheapest trip is available from $100 and takes 22h 0m to reach Santiago, RM. Compare offers to save money!

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

This route is offered by 2 companies with a range of ticket prices between $100 and $133. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Santiago, RM.

On average, how many connections are available from Buenos Aires to Santiago, RM each day?

Every day, the Buenos Aires to Santiago, RM bus route is served by approximately 15 connections. With our search, you can compare bus times to find the perfect trip.

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

The fastest bus from Buenos Aires to Santiago, RM is offered by Buses Pullman Fénix Internacional and takes 19h 30m. Bus tickets for this connection cost $126. In this context, bear in mind that the journey can take longer due to traffic.

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

The earliest bus arriving in Santiago, RM from Buenos Aires starts at 2:00 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 Buenos Aires to Santiago, RM?

The latest bus trip departing from Buenos Aires for Santiago, RM starts at 2:40 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 Buenos Aires Santiago, RM route?

When traveling by bus from Buenos Aires to Santiago, RM, passengers can travel with CATA Internacional and Buses Pullman Fénix Internacional. With our search, you can compare all available bus tickets to book the one that works for you.

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

You can check all the direct connections between Buenos Aires and Santiago, RM 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 Buenos Aires to Santiago, RM 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 Buenos Aires Santiago, RM 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 Buenos Aires Santiago, RM 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 Buenos Aires to Santiago, RM on your planned travel date.

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

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 15 daily trips between Buenos Aires and Santiago, RM. 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 Buenos Aires to Santiago, RM?

Prices and availability for 15 trips between Buenos Aires and Santiago, RM 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 Buenos Aires to Santiago, RM

Premium Economy
PremiumEconomy

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

Business
Business

Comfortable seating, food and drink service, accompanied generally by ticket flexibility.

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 Buenos Aires and to Santiago, RM

Here’s an overview of the most popular bus routes to Buenos Aires and to Santiago, RM. Simply click on the connection of your choice, and you will find all the details about your bus route!
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Bus from Purén to Santiago, RM Bus from Purén to Santiago, RM
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Bus to Santiago, RM from San Felipe, VS Bus to Santiago, RM from San Felipe, VS
Bus from Curanilahue to Santiago, RM Bus from Curanilahue to Santiago, RM
Popular Airport Shuttles to Buenos Aires and to Santiago, RM
CheckMyBus › Buses in Argentina › Bus to Buenos Aires › Bus to Santiago, RM

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