Cheap flights from Santiago to Buenos Aires from $81

The month of May is, on average, the cheapest month to fly to Buenos Aires Jorge Newbery Airport from Santiago, with most prices found around $239. If you are unable to visit Buenos Aires Jorge Newbery Airport during the month of May, then departing from Santiago during the month April is also very affordable. Most momondo users find prices during this month for around $240.

The cheapest day to depart on your flight to Buenos Aires Jorge Newbery Airport is on a Saturday when prices can be found for as low as $60. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Santiago because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $389.

Flying to Buenos Aires Jorge Newbery Airport from Santiago in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $230 when looking at flights departing in the afternoon. At midday is when there is more demand to fly to Buenos Aires Jorge Newbery Airport, so prices are often more expensive at around $357 per ticket.

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

You are more likely to see cheaper flights to Buenos Aires Jorge Newbery Airport from Santiago when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Jorge Newbery Airport for around $271 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires Jorge Newbery Airport from Santiago for as low as $208 on momondo.

There are 2 cabin classes available to choose from on Santiago to Buenos Aires Jorge Newbery Airport 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 11% of flights between Santiago and Buenos Aires have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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. Thursday 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 6% of their flights experiencing any sort of delay.

The number of flights available between Santiago and Buenos Aires Jorge Newbery Airport is 7 per day as of October 2026. The most frequent departure time is 10:00, with 39% of daily flights leaving at midday.

As of October 2026, 52 flights take off from Santiago and land in Buenos Aires Jorge Newbery Airport each week. The most common flight departure day for this route is Fri, with 38% of weekly flights taking off on this day.