Cheap flights from Buenos Aires to Santiago from $89

In general, March is the cheapest month to fly from Buenos Aires to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $185. If you don’t want to visit Santiago in March, then you should wait until May to fly from Buenos Aires, when ticket prices are also cheap, with an average price of $198.

The cheapest day to depart on your flight to Santiago is on a Friday when prices can be found for as low as $473. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Santiago on Sunday is $822.

In the morning is the cheapest time of day to fly from Buenos Aires to Santiago when you can find flight prices for as low as $320. Flying to Santiago in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Santiago, so prices are often more expensive at around $972 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 $247 when searching weeks out. 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 $208 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.

JetSMART is the most popular carrier operating from Buenos Aires to Santiago Arturo Merino Benitez

Aerolineas Argentinas, JetSMART and LATAM Airlines are the top three most popular airlines that fly to Santiago from Buenos Aires according to our data. Aerolineas Argentinas is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Santiago. Keep in mind that there are 5 different airlines that fly to Santiago on a routine basis, so you have a few additional options to choose from.

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 125 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

13 flights are operational daily from Buenos Aires to Santiago as of August 2026. The most popular departure time for this route is 7:00AM, with 49% of flights per day taking off at noon.

As of August 2026, there are 93 flights per week flying from Buenos Aires to Santiago. The most common day of the week flights depart is Fri, with 23% of flights taking off on this day.