Cheapest return flights from Madrid to Buenos Aires in September from $947

Best time to book flights for Madrid (MAD) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Madrid (MAD) to Buenos Aires (AEP) in September 2025 (see full year).

Return flights

15 Sep - 30 Sep TAP
23 Sep - 30 Sep TAP
11 Sep - 26 Sep SWISS
08 Sep - 26 Sep Iberia
08 Sep - 24 Sep Iberia
03 Sep - 30 Sep Iberia
03 Sep - 30 Oct Iberia
10 Sep - 30 Sep Iberia
24 Sep - 07 Oct Iberia
11 Sep - 24 Sep Iberia
08 Sep - 21 Sep Iberia
07 Sep - 21 Sep Iberia
15 Sep - 15 Oct Air Europa
24 Sep - 24 Oct Azul Airlines
24 Sep - 31 Oct Azul Airlines
09 Sep - 16 Oct Iberia
26 Sep - 13 Oct Air Canada
15 Sep - 07 Oct Air Europa
24 Sep - 10 Oct Iberia
21 Sep - 12 Oct TAP

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

Skyscanner

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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