AirHint found the following cheapest return flights from Madrid (MAD) to Buenos Aires (EZE) in April 2026 (see full year).

Return flights

12 Apr - 31 May	Lufthansa
17 Apr - 29 May	Lufthansa
30 Apr - 29 May	Lufthansa
12 Apr - 29 May	Lufthansa
11 Apr - 29 May	Lufthansa
11 Apr - 31 May	Lufthansa
14 Apr - 27 Apr	Avianca
13 Apr - 29 Apr	Lufthansa
08 Apr - 29 Apr	Lufthansa
08 Apr - 23 Apr	Lufthansa
10 Apr - 31 May	Lufthansa
01 Apr - 31 May	Lufthansa
20 Apr - 18 May	Delta
30 Apr - 18 May	Lufthansa
09 Apr - 21 Apr	Lufthansa
07 Apr - 21 Apr	Lufthansa
08 Apr - 22 Apr	Lufthansa
09 Apr - 22 Apr	Lufthansa
12 Apr - 28 Apr	Lufthansa
14 Apr - 30 Apr	Lufthansa

Also check the deals for one-way flights from Madrid to Buenos Aires in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Madrid to Buenos Aires in April from $896

Return flights