Cheap flights from Buenos Aires to Santiago from $158

The month of March is, on average, the cheapest month to fly to Santiago from Buenos Aires, with most prices found around $245. The month of May is another great option to travel to Santiago, with average flight prices from Buenos Aires averaging around $251.

The cheapest day to depart from Buenos Aires to Santiago is on a Wednesday. Travellers who choose to depart for Santiago on a Wednesday will often find tickets for as low as $2,603. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $2,733. These prices are subject to change though, so be sure to set up a Price Alert for flights to Santiago.

Flying to Santiago from Buenos Aires in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $2,640 when looking at flights departing in the afternoon. Flights in the morning are often more expensive, with an average ticket price of $2,669.

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 $360 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 $311 on momondo.

There are 3 cabin classes 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 12% 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 128 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 June 2026, there are 16 flights per day flying from Buenos Aires to Santiago. The most common time of day flights depart is 07:00, with 43% of flights taking off at midday.

114 flights are operational weekly from Buenos Aires to Santiago as of June 2026. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.