Cheapest one-way flights from Madrid to Buenos Aires in April from $446

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

One-Way flights

15 Apr Avianca
30 Apr Avianca
27 Apr Avianca
07 Apr Azul Airlines
11 Apr Azul Airlines
09 Apr Azul Airlines
12 Apr Azul Airlines
20 Apr Ryanair
29 Apr Avianca
17 Apr Avianca

Also check the deals for return flights from Madrid to Buenos Aires in April.

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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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