Cheapest return flights from Buenos Aires to Madrid in September from $933

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

Return flights

26 Sep - 24 Oct LATAM Airlines Group
28 Sep - 22 Oct LATAM Airlines Group
29 Sep - 23 Oct LATAM Airlines Group
24 Sep - 24 Oct LATAM Airlines Group
24 Sep - 23 Oct LATAM Airlines Group
19 Sep - 21 Oct LATAM Airlines Group
28 Sep - 31 Oct LATAM Airlines Group
27 Sep - 15 Oct LATAM Airlines Group
25 Sep - 16 Oct LATAM Airlines Group
27 Sep - 04 Oct LATAM Airlines Group
08 Sep - 21 Sep Aerolíneas Argentinas
10 Sep - 24 Sep Aerolíneas Argentinas
10 Sep - 28 Sep Aerolíneas Argentinas
10 Sep - 26 Sep Aerolíneas Argentinas
01 Sep - 12 Sep Aerolíneas Argentinas
17 Sep - 28 Sep Aerolíneas Argentinas
12 Sep - 28 Sep GOL Linhas Aéreas
12 Sep - 26 Sep GOL Linhas Aéreas
12 Sep - 24 Sep GOL Linhas Aéreas
14 Sep - 24 Sep Aerolíneas Argentinas

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

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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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