Cheap flights from Buenos Aires to Santiago from R1 847

The cheapest month to fly to Santiago from Buenos Aires is in March. Flight prices, which tend to average around R3 078, are often lower during this time because this is during the off-season. If you are unable to visit Santiago during the month of March, then departing from Buenos Aires during the month September is also very affordable. Most momondo users find prices during this month for around R3 294.

The cheapest day to depart on your flight to Santiago is on a Tuesday when prices can be found for as low as R2 994. This is often the case because there is less demand to fly during this day of the week. Flights from Buenos Aires to Santiago on a Sunday will generally be more expensive and average around R16 260. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Santiago is in the morning when flights can be purchased for as low as R3 446. At midday is when there is more demand to fly to Santiago, so prices are often more expensive at around R16 260 per ticket.

Fly from Buenos Aires Jorge Newbery to Santiago Arturo Merino Benitez for the best Buenos Aires - Santiago Arturo Merino Benitez flight prices

You are more likely to see cheaper flights to Santiago from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around R4 250 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from Buenos Aires for as low as R3 743 on momondo.

There is only 1 cabin class available to choose from on Buenos Aires to Santiago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 13% of flights between Buenos Aires and Santiago have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Sky Airline have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

As of November 2026, there are 10 flights per day flying from Buenos Aires to Santiago. The most common time of day flights depart is 7:00, with 40% of flights taking off at midday.

As of November 2026, there are 71 flights per week flying from Buenos Aires to Santiago. The most common day of the week flights depart is Mon, with 30% of flights taking off on this day.