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Madrid to Buenos Aires flights in December 2026 from $1,141 MAD → AEP, EZE

Adolfo Suarez Madrid-Barajas Airport (MAD) → Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE)

For departures in December 2026, the cheapest return found recently is $1,141 with American Airlines, 14 Dec – 20 Jan 2027, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 14 departure dates is usually $1,164 to $1,631. Across all 66 departure dates we hold on this route, it is usually $938 to $1,141. Of the 8 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$1,141

14 Dec – 20 Jan 2027 · American Airlines

Adolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$1,047

27 Dec – 26 Jan 2027 · American Airlines

Adolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)

out 2 stops, back 1 stop

found 8 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
27 Dec – 26 Jan 2027$1,047American Airlinesout 2 stops, back 1 stopfound 8 days agoSee prices for these dates
28 Dec – 27 Jan 2027$1,083Air Chinaout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
24 Dec – 21 Jan 2027$1,108Air Chinaout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
14 Dec – 20 Jan 2027$1,141American Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
31 Dec – 14 Jan 2027$1,234American Airlinesout 1 stop, back 2 stopsfound 2 days agoSee prices for these dates

Every date we hold

14 departure dates

1 Dec – 28 Dec: $1,271, found 2 days ago6 Dec – 3 Jan 2027: $1,864, found 2 days ago8 Dec – 10 Jan 2027: $1,670, found 3 days ago13 Dec – 23 Jan 2027: $1,306, found 7 days ago14 Dec – 20 Jan 2027: $1,141, found 2 days ago15 Dec – 7 Jan 2027: $2,077, found 4 days ago16 Dec – 3 Jan 2027: $2,184, found 4 days ago20 Dec – 12 Jan 2027: $1,514, found 4 days ago22 Dec – 21 Jan 2027: $1,429, found 4 days ago23 Dec – 13 Jan 2027: $1,304, found 7 days ago24 Dec – 21 Jan 2027: $1,108, found 5 days ago27 Dec – 26 Jan 2027: $1,047, found 8 days ago28 Dec – 27 Jan 2027: $1,083, found 5 days ago31 Dec – 14 Jan 2027: $1,234, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 28 Dec$1,271American AirlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
6 Dec – 3 Jan 2027$1,864IberiaAdolfo Suarez Madrid-Barajas Airport (MAD) → Jorge Newbery Airport (AEP)out 2 stops, back nonstopfound 2 days agoSee prices for these dates
8 Dec – 10 Jan 2027$1,670American AirlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
13 Dec – 23 Jan 2027$1,306Air ChinaAdolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
14 Dec – 20 Jan 2027$1,141American AirlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
15 Dec – 7 Jan 2027$2,077Air EuropaAdolfo Suarez Madrid-Barajas Airport (MAD) → Jorge Newbery Airport (AEP)out 2 stops, back 3 stopsfound 4 days agoSee prices for these dates
16 Dec – 3 Jan 2027$2,184Air ChinaAdolfo Suarez Madrid-Barajas Airport (MAD) → Jorge Newbery Airport (AEP)out 1 stop, back 3 stopsfound 4 days agoSee prices for these dates
20 Dec – 12 Jan 2027$1,514Air ChinaAdolfo Suarez Madrid-Barajas Airport (MAD) → Jorge Newbery Airport (AEP)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
22 Dec – 21 Jan 2027$1,429Turkish AirlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
23 Dec – 13 Jan 2027$1,304Air ChinaAdolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
24 Dec – 21 Jan 2027$1,108Air ChinaAdolfo Suarez Madrid-Barajas Airport (MAD) → Jorge Newbery Airport (AEP)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
27 Dec – 26 Jan 2027$1,047American AirlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)out 2 stops, back 1 stopfound 8 days agoSee prices for these dates
28 Dec – 27 Jan 2027$1,083Air ChinaAdolfo Suarez Madrid-Barajas Airport (MAD) → Jorge Newbery Airport (AEP)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
31 Dec – 14 Jan 2027$1,234American AirlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Ministro Pistarini Airport (EZE)out 1 stop, back 2 stopsfound 2 days agoSee prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $721.

November 2026From $1,0445 departure dates21 Nov – 8 Dec · found 6 days agoSee prices for these dates
December 2026From $1,04714 departure dates27 Dec – 26 Jan 2027 · found 8 days agoSee prices for these dates
January 2027From $93811 departure dates26 Jan 2027 – 14 Mar 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
February 2027From $721Cheapest seen11 departure dates16 Feb 2027 – 25 Feb 2027 · found 7 days agoSee prices for these datesEvery date in February 2027
March 2027From $7977 departure dates10 Mar 2027 – 23 Mar 2027 · found 2 days agoSee prices for these datesEvery date in March 2027
April 2027From $7979 departure dates29 Apr 2027 – 7 May 2027 · found 5 days agoSee prices for these datesEvery date in April 2027
May 2027From $8144 departure dates1 May 2027 – 31 May 2027 · found 7 days agoSee prices for these dates
June 2027From $9653 departure dates14 Jun 2027 – 4 Aug 2027 · found 7 days agoSee prices for these dates
August 2027From $1,1351 departure date15 Aug 2027 – 5 Sept 2027 · found 2 days agoSee prices for these dates
September 2027From $9971 departure date18 Sept 2027 – 2 Oct 2027 · found 5 days agoSee prices for these dates

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