Flight Time from Santiago to Buenos Aires

At the moment, you can catch a nonstop flight from Santiago to Buenos Aires with the following airlines, including: JetSMART Sky Airline Aerolineas Argentinas LATAM Airlines KLM Royal Dutch Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 2 hours 35 minutes to fly from Santiago to Buenos Aires.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Santiago to Buenos Aires is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 55 flight per week flying from Santiago to Buenos Aires. You can check the weekly schedule for popular airlines on this route below: Aerolineas Argentinas: S/M/T/W/T/F/S -- AR7803 (12:56) LATAM Airlines: S/M/T/W/T/F/S -- LA455 (13:13) KLM Royal Dutch Airlines: S/M/T/W/T/F/S -- KL702 (12:56)

The cheapest months to fly from Santiago to Buenos Aires is September, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Santiago to Buenos Aires on December 19, 2025 with JetSMART, with prices starting at MYR 151.

You can land at any one of the following hubs in Buenos Aires, with Arturo Merino Benitez International Airport to Jorge Newbery Airport (SCL-AEP) is by far the most common option on this route: Jorge Newbery Airport (AEP) Ministro Pistarini International Airport (EZE).

The time difference between Buenos Aires and Santiago is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.