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, Andesmar or Buses Pullman Fénix Internacional for the next days.

today
$89
tomorrow
$89
Saturday
$90
Sunday
Monday
$90
Tuesday
$89
Wednesday

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 $89
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $90
Andesmar 22h 50m 9:10 PM Buenos Aires Liniers Bus Station 8:00 PM Santiago, RM Sur Bus Station  Premium Economy $147
Andesmar 25h 15m 3:45 PM Buenos Aires Liniers Bus Station 5:00 PM Santiago, RM Sur Bus Station  Premium Economy $156
Andesmar 23h 15m 8:45 PM Buenos Aires Liniers Bus Station 8:00 PM Santiago, RM Sur Bus Station  First Class $165
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $18? You can find the corresponding connections below.
    • 20 de Junio
      23h 15m
      0
      8:45 PM
      Buenos Aires
      Liniers Bus Station
      10:00 AM
      Mendoza
      Bus Station
      0
      20 de Junio
      Premium Economy
      $46
      • Waiting Time 2h 0m
    • Andesmar
      8h 0m
      0
      12:00 PM
      Mendoza
      Bus Station
      8:00 PM
      Santiago, RM
      Los Héroes Station
      0
      Andesmar
      Premium Economy
      $25
    Travel time is 1h 55m longer, but you will save $18

Cheapest bus trips tomorrow

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 $89
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $89
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $22? You can find the corresponding connections below.
    • Vía Tac
      23h 40m
      0
      5:20 PM
      Buenos Aires
      Liniers Bus Station
      8:10 AM
      Mendoza
      Bus Station
      0
      Vía Tac
      Premium Economy
      $42
      • Waiting Time 0h 50m
    • Andesmar
      8h 0m
      0
      9:00 AM
      Mendoza
      Bus Station
      5:00 PM
      Santiago, RM
      Sur Bus Station
      0
      Andesmar
      Premium Economy
      $25
    Travel time is 2h 20m longer, but you will save $22

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 Los Héroes Station  Premium Economy $90
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $90
Buses Pullman Fénix Internacional 19h 30m 2:30 PM Buenos Aires Once 10:00 AM Santiago, RM Sur Bus Station  Premium Economy $104
Buses Pullman Fénix Internacional 20h 0m 2:30 PM Buenos Aires Once 10:30 AM Santiago, RM Sur Bus Station  Premium Economy $104
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $26? You can find the corresponding connections below.
    • CATA Internacional
      22h 40m
      0
      10:50 PM
      Buenos Aires
      Villa Tesei
      12:15 PM
      Mendoza
      Bus Station
      0
      CATA Internacional
      Premium Economy
      $39
      • Waiting Time 1h 15m
    • CATA Internacional
      8h 0m
      0
      1:30 PM
      Mendoza
      Bus Station
      9:30 PM
      Santiago, RM
      Los Héroes Station
      0
      CATA Internacional
      Premium Economy
      $25
    Travel time is 3h 10m longer, but you will save $26

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 Los Héroes Station  Premium Economy $90
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $90
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $26? You can find the corresponding connections below.
    • CATA Internacional
      22h 40m
      0
      10:50 PM
      Buenos Aires
      Villa Tesei
      12:15 PM
      Mendoza
      Bus Station
      0
      CATA Internacional
      Premium Economy
      $39
      • Waiting Time 1h 15m
    • CATA Internacional
      8h 0m
      0
      1:30 PM
      Mendoza
      Bus Station
      9:30 PM
      Santiago, RM
      Los Héroes Station
      0
      CATA Internacional
      Premium Economy
      $25
    Travel time is 1h 20m longer, but you will save $26

Cheapest bus trips Tuesday

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 $89
CATA Internacional 21h 20m 2:40 PM Buenos Aires Liniers Bus Station 12:00 PM Santiago, RM Sur Bus Station  Premium Economy $89
  • Did you know that if you travel from Buenos Aires to Santiago, RM via Mendoza, you can save more than $25? You can find the corresponding connections below.
    • CATA Internacional
      22h 40m
      0
      10:50 PM
      Buenos Aires
      Villa Tesei
      12:15 PM
      Mendoza
      Bus Station
      0
      CATA Internacional
      Premium Economy
      $39
      • Waiting Time 1h 15m
    • CATA Internacional
      8h 0m
      0
      1:30 PM
      Mendoza
      Bus Station
      9:30 PM
      Santiago, RM
      Los Héroes Station
      0
      CATA Internacional
      Premium Economy
      $25
    Travel time is 1h 20m longer, but you will save $25

Best Price Offer: The price for the cheapest bus from Buenos Aires to Santiago, RM is $89 on 11/5/2026. Flexible travelers save on ticket prices.


Frequency of bus connections between Buenos Aires and Santiago, RM

See here how frequent the connections between Buenos Aires and Santiago, RM are, during different times and days of the week.
Thursday is the busiest day, with more than 19 daily buses from Buenos Aires to Santiago, RM. Monday has instead the fewest connections, with only 12 daily coaches between Buenos Aires and Santiago, RM.
The busiest time of the day is the Afternoon, with 69 buses from Buenos Aires to Santiago, RM, while Evening sees the fewest connections between Buenos Aires and Santiago, RM, with 4 offers.

Facts about the bus from Buenos Aires to Santiago, RM

Compare all providers like CATA Internacional, Andesmar and Buses Pullman Fénix Internacional that travel 14 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 $89!

Cheapest Bus $89
Fastest Bus 19h 30m
Earliest Bus 2:00 PM
Latest Bus 2:40 PM
Daily Bus Routes 14 Ø
Distance 707.1 miles
Bus Companies CATA Internacional, Andesmar and Buses Pullman Fénix Internacional

Cheapest bus connections from Buenos Aires to Santiago, RM

Every day, 14 buses from 3 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 11/05/2026 and for the following days.

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday 11/01
Monday 11/02
Tuesday 11/03
Wednesday 11/04
Thursday 11/05
$89
Friday 11/06
$147
Saturday 11/07
$147
Sunday 11/08
$151
Monday 11/09
$147
Tuesday 11/10
$90
Wednesday 11/11
$147
Thursday 11/12
$90
Friday 11/13
$89
Saturday 11/14
$90
Sunday 11/15
$147
Monday 11/16
$90
Tuesday 11/17
$90
Wednesday 11/18
$147
Thursday 11/19
$90
Friday 11/20
$90
Saturday 11/21
$90
Sunday 11/22
$147
Monday 11/23
$90
Tuesday 11/24
$90
Wednesday 11/25
$151
Thursday 11/26
$90
Friday 11/27
$90
Saturday 11/28

The cheapest time to travel from Buenos Aires to Santiago, RM

See here on which day and which time of the day you can find the cheapest bus ticket from Buenos Aires to Santiago, RM, for the next 30 days.
With a price starting from $89, Thursday is the cheapest day for a bus from Buenos Aires to Santiago, RM. Saturday instead is the most expensive day with prices starting from $90.
Afternoon is the cheapest day time for bus tickets from Buenos Aires to Santiago, RM, with $89. Evening is the most expensive time of the day with prices starting from $147.

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 $89
Fastest Bus 21h 20m
Earliest Bus 2:00 PM
Last Bus 2:40 PM
Daily Connections 13 Ø
Found on 11/5/2026

Andesmar from Buenos Aires to Santiago, RM

Andesmar

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

Cheapest Price $147
Fastest Bus 22h 50m
Earliest Bus 3:45 PM
Last Bus 9:10 PM
Daily Connections 7 Ø
Found on 11/4/2026

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 $89 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 3 companies with a range of ticket prices between $89 and $178. 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 14 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 $119. 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, Andesmar 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, Andesmar 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 14 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 14 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.

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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Popular Airport Shuttles to Buenos Aires and to Santiago, RM
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