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

Return flights

14 Apr - 13 May	Azul Airlines
24 Apr - 29 May	Iberia
27 Apr - 08 May	TAP
15 Apr - 15 May	Azul Airlines
23 Apr - 12 May	Avianca
13 Apr - 13 May	Iberia
17 Apr - 25 Apr	Avianca
26 Apr - 21 May	Iberia
09 Apr - 23 Apr	Azul Airlines
02 Apr - 15 Apr	Avianca
24 Apr - 16 May	Ryanair
09 Apr - 14 Apr	Azul Airlines
02 Apr - 09 May	Avianca
17 Apr - 29 May	Avianca
20 Apr - 27 Apr	LATAM Airlines Group
10 Apr - 26 Apr	Iberia
01 Apr - 13 Apr	Avianca
23 Apr - 30 Apr	Avianca
08 Apr - 26 Apr	Iberia
08 Apr - 24 Apr	Iberia

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 $985

Return flights