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

Return flights

24 Apr - 15 May	TAP
13 Apr - 21 Apr	Iberia
13 Apr - 18 May	Iberia
27 Apr - 18 May	TAP
07 Apr - 28 Apr	Iberia
09 Apr - 27 Apr	Azul Airlines
15 Apr - 20 Apr	TAP
08 Apr - 20 Apr	TAP
23 Apr - 10 May	TAP
25 Apr - 06 May	TAP
01 Apr - 20 Apr	TAP
06 Apr - 28 Apr	Iberia
22 Apr - 07 May	Iberia
14 Apr - 30 Apr	Iberia
14 Apr - 23 Apr	easyJet
28 Apr - 07 May	easyJet
09 Apr - 19 Apr	Azul Airlines
21 Apr - 25 May	SWISS
27 Apr - 06 May	TAP
29 Apr - 06 May	TAP

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 $1002

Return flights