Cheap flights from Buenos Aires to Santiago from $131 AEP, EZE → SCL

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $131 to $204.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 2-night return fares leaving within 3 days of 18 Apr 2027 to compare.

Every date we hold

920 fares on 46 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $131.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $75 to $132.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 4 May 2027 to compare.

Every date we hold

211 fares on 22 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $87.

Return

Fares 90 to 179 days before departure were typically 33% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 90 to 179 days before departure were typically 6% lower than 30 to 59 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Buenos Aires to Santiago?

The cheapest return found recently is $202 with JetSmart, 18 Apr 2027 to 20 Apr 2027, found 2 days ago. The cheapest return we hold, of any age, is $131 with JetSmart, 28 Nov to 2 Dec, found 8 days ago. The cheapest return fare on each of 46 departure dates is usually $195 to $264.

How much is a one-way flight from Buenos Aires to Santiago?

The cheapest one-way found recently is $131 with JetSmart, 4 May 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $87 with JetSmart, 12 Dec, found 6 days ago. The cheapest one-way fare on each of 22 departure dates is usually $108 to $144.

What is the cheapest month to fly from Buenos Aires to Santiago?

November 2026 is the cheapest month for a return, from $131, 28 Nov to 2 Dec, found 8 days ago. December 2026 is the cheapest month for a one-way, from $87, 12 Dec, found 6 days ago.

Every date in November 2026

Every date in December 2026

How far ahead should I book a flight from Buenos Aires to Santiago?

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 33% lower than 0 to 6 days before departure. One-way fares 90 to 179 days before departure were typically 6% lower than 30 to 59 days before departure.

Is there a direct flight from Buenos Aires to Santiago?

Yes, the cheapest nonstop return found recently is $202 with JetSmart, 18 Apr 2027 to 20 Apr 2027, found 2 days ago. The cheapest nonstop one-way found recently is $131 with JetSmart, 4 May 2027, found 2 days ago.

Every nonstop date from Buenos Aires to Santiago

How long is the flight from Buenos Aires to Santiago?

The cheapest nonstop one-way found recently, with JetSmart on 4 May 2027, takes 2 h 22 min from Jorge Newbery Airport (AEP) to Arturo Merino Benitez Airport (SCL).

Which airlines have the cheapest flights from Buenos Aires to Santiago?

Between 13 Nov and 1 Aug 2027, JetSmart has the cheapest return on 28 of the 46 departure dates we hold, Sky Airline on 11 and LATAM Airlines Group on 4. Between 12 Dec and 26 Sept 2027, JetSmart has the cheapest one-way on 17 of the 22 departure dates we hold, LATAM Airlines Group on 3 and Aerolineas Argentinas on 1.