Bus from Santiago, CL to Buenos Aires, AR: Tickets & Schedules

Next bus departures

Next departures for Santiago to Buenos Aires on December 8
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
CATA InternacionalBus
    		Terminal Sur
    		Terminal de RetiroCheapest
    CATA InternacionalBus
      		Terminal Sur
      		Terminal de RetiroFastest

      Last refresh of the prices: Today at 3:25 PM -03.

      Get from Santiago to Buenos Aires

      This route is served by bus only

      The journey takes about 19 hours 31 minutes, and with fares starting at just $106, it presents an excellent value for a comfortable ride.

      2bus per day
      19h 31mAverage Duration
      1142 kmDistance
      29kgCO₂ emissions

      Frequently asked questions about travelling from Santiago, CL to Buenos Aires, AR by bus

      Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.

      1. How much is the bus ticket from Santiago to Buenos Aires?

        The cheapest bus tickets from Santiago to Buenos Aires start from $106. The average price for this route is around $189. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.

      2. How long is the bus ride from Santiago to Buenos Aires?

        The average bus travel time from Santiago to Buenos Aires is 19h 31m, covering a distance of 1142 km. The quickest bus can get you there in 19h and is operated by Fénix Internacional.

      3. Which bus companies service the Santiago to Buenos Aires route?

        Several major bus companies operate on this route with 2 buses available per day, including services from Buses Ahumada Internacional, Fénix Internacional, CATA Internacional, Andesmar, Tramat, Coitram.

      4. What are the earliest and latest departure times for the bus from Santiago to Buenos Aires?

        The earliest bus departs from Santiago to Buenos Aires at 9:00am. And the latest bus departs at 10:00am.

      5. What are the CO₂ emissions for the bus trip from Santiago to Buenos Aires?

        A bus trip from Santiago to Buenos Aires generates an estimated 29 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.

      6. What is the best bus company from Santiago to Buenos Aires?

        According to Busbud customers, the highest-rated bus company on this route is CATA Internacional, with an average rating of 3.9 out of 5 stars based on 2094 reviews.

      7. Which bus company has the best Wi-Fi from Santiago to Buenos Aires?

        Based on Busbud reviews, the bus company CATA Internacional has the highest Wi-Fi rating with a score of 1.6.

      8. Which bus company has the best on-time performance from Santiago to Buenos Aires?

        According to Busbud traveller reviews, the most punctual bus company on this route is CATA Internacional, with a punctuality rating of 4.1 out of 5 stars.

      9. Which bus company has the cleanest buses from Santiago to Buenos Aires?

        According to Busbud traveller reviews, the bus company with the cleanest buses on this route is CATA Internacional, with a cleanliness rating of 4.4 out of 5 stars.

      Find cheapest prices for buses

      Price is for a one-way ticket for one passenger and based on past searches.

      Best price found
      12-05
      $141
      12-06
      $142
      Today
      No data
      12-08
      $143
      12-09
      No data
      12-10
      $141
      12-11
      $141
      12-12
      $141
      busbud logoThe cheapest trip from Santiago, CL to Buenos Aires, AR was searched and found on Dec 11, 2025 with a price of $141

      To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Santiago, CL to Buenos Aires, AR, as early as possible.

      You can expect to pay from $141 to $183 for a bus ticket from Santiago, CL to Buenos Aires, AR based on the last 2 days. You can expect to find the cheapest price for the trip at $141 which is on 2025-12-11.

      Usually Buses Ahumada Internacional, Fénix Internacional will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.

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