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Buenos Aires to Santiago in December 2026 AEP, EZE → SCL

Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE) → Arturo Merino Benitez Airport (SCL)

For departures in December 2026, the cheapest return found recently is $231 with Aerolineas Argentinas, 15 Dec – 20 Dec, found 10 hours ago. The cheapest one-way found recently is $151 with LATAM Airlines Group, 15 Dec, found 6 days ago.

Return

In December 2026, the cheapest return fare on each of 11 departure dates is usually $234 to $259. Across all 49 departure dates we hold on this route, it is usually $234 to $266. Of the 5 months with enough return fares to compare, 2 are usually cheaper than December 2026.

Cheapest return found recently

$231

15 Dec – 20 Dec · Aerolineas Argentinas

Jorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)

out nonstop, back nonstop

found 10 hours ago

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Cheapest we hold, of any age

$219

11 Dec – 17 Dec · Aerolineas Argentinas

Jorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)

out nonstop, back nonstop

found 6 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
11 Dec – 17 Dec$219Aerolineas Argentinasout nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Dec – 2 Jan 2027$230LATAM Airlines Groupout nonstop, back nonstopfound 5 days agoSee prices for these dates
15 Dec – 20 Dec$231Aerolineas Argentinasout nonstop, back nonstopfound 10 hours agoSee prices for these dates
25 Dec – 2 Jan 2027$236JetSmartout nonstop, back nonstopfound 5 days agoSee prices for these dates
12 Dec – 18 Dec$250JetSmartout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

11 departure dates

2 Dec – 4 Dec: $313, found yesterday9 Dec – 23 Dec: $253, found 3 days ago11 Dec – 17 Dec: $219, found 6 days ago12 Dec – 18 Dec: $250, found 4 days ago13 Dec – 18 Dec: $253, found 4 days ago14 Dec – 20 Dec: $250, found 4 days ago15 Dec – 20 Dec: $231, found 10 hours ago21 Dec – 28 Dec: $271, found 3 days ago24 Dec – 2 Jan 2027: $230, found 5 days ago25 Dec – 2 Jan 2027: $236, found 5 days ago26 Dec – 30 Dec: $265, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec – 4 Dec$313JetSmartJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back 1 stopfound yesterdaySee prices for these dates
9 Dec – 23 Dec$253LATAM Airlines PeruJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 3 days agoSee prices for these dates
11 Dec – 17 Dec$219Aerolineas ArgentinasJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 6 days agoSee prices for these dates
12 Dec – 18 Dec$250JetSmartJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Dec – 18 Dec$253Aerolineas ArgentinasJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 4 days agoSee prices for these dates
14 Dec – 20 Dec$250JetSmartJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 4 days agoSee prices for these dates
15 Dec – 20 Dec$231Aerolineas ArgentinasJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 10 hours agoSee prices for these dates
21 Dec – 28 Dec$271Sky AirlineMinistro Pistarini Airport (EZE) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 3 days agoSee prices for these dates
24 Dec – 2 Jan 2027$230LATAM Airlines GroupJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 5 days agoSee prices for these dates
25 Dec – 2 Jan 2027$236JetSmartJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 5 days agoSee prices for these dates
26 Dec – 30 Dec$265JetSmartJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

March 2027 is the cheapest month — from $200.

October 2026From $2446 departure dates30 Oct – 27 Nov · found 5 days agoSee prices for these dates
November 2026From $21121 departure dates25 Nov – 14 Dec · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $21911 departure dates11 Dec – 17 Dec · found 6 days agoSee prices for these dates
January 2027From $2392 departure dates11 Jan 2027 – 18 Jan 2027 · found 2 days agoSee prices for these dates
February 2027From $2383 departure dates21 Feb 2027 – 7 Mar 2027 · found 3 days agoSee prices for these dates
March 2027From $200Cheapest seen4 departure dates15 Mar 2027 – 21 Mar 2027 · found 5 days agoSee prices for these dates
April 2027From $2481 departure date10 Apr 2027 – 24 Apr 2027 · found 4 days agoSee prices for these dates
September 2027From $2711 departure date9 Sept 2027 – 18 Sept 2027 · found yesterdaySee prices for these dates

One-way

We hold one-way fares on only 2 departure dates in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$151

15 Dec · LATAM Airlines Group

Ministro Pistarini Airport (EZE) → Arturo Merino Benitez Airport (SCL)

nonstop

found 6 days ago

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Cheapest we hold, of any age

$138

9 Dec · JetSmart

Jorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)

nonstop

found 7 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
9 Dec$138JetSmartnonstopfound 7 days agoOpen this trip
15 Dec$151LATAM Airlines Groupnonstopfound 6 days agoOpen this trip

Every date we hold

2 departure dates

9 Dec: $138, found 7 days ago15 Dec: $151, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
9 Dec$138JetSmartJorge Newbery Airport (AEP) → Arturo Merino Benitez Airport (SCL)nonstopfound 7 days agoOpen this trip
15 Dec$151LATAM Airlines GroupMinistro Pistarini Airport (EZE) → Arturo Merino Benitez Airport (SCL)nonstopfound 6 days agoOpen this trip

Which month looks cheapest?

April 2027 is the cheapest month — from $106.

December 2026From $1382 departure dates9 Dec · found 7 days agoOpen this trip
February 2027From $1514 departure dates5 Feb 2027 · found 3 days agoOpen this trip
March 2027From $1406 departure dates22 Mar 2027 · found 4 days agoOpen this trip
April 2027From $106Cheapest seen1 departure date14 Apr 2027 · found 6 days agoOpen this trip
May 2027From $1322 departure dates4 May 2027 · found 4 days agoOpen this trip
June 2027From $1482 departure dates8 Jun 2027 · found 6 days agoOpen this trip
September 2027From $1541 departure date9 Sept 2027 · found yesterdayOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work