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

Return flights

29 Sep - 13 Oct	Ethiopian Airlines
22 Sep - 07 Oct	Aerolineas Argentinas
24 Sep - 30 Sep	Air Canada
08 Sep - 15 Sep	Ethiopian Airlines
30 Sep - 31 Oct	Flybondi
23 Sep - 14 Oct	Avianca
15 Sep - 25 Sep	Ethiopian Airlines
24 Sep - 15 Oct	Arajet
29 Sep - 30 Oct	LATAM Airlines Group
30 Sep - 13 Oct	LATAM Airlines Group
01 Sep - 22 Sep	Ethiopian Airlines
24 Sep - 14 Oct	Air Canada
26 Sep - 07 Oct	LATAM Airlines Group
17 Sep - 08 Oct	Avianca
18 Sep - 25 Sep	LATAM Airlines Group
01 Sep - 07 Sep	LATAM Airlines Group
22 Sep - 29 Sep	JetSmart
01 Sep - 14 Sep	LATAM Airlines Group
01 Sep - 17 Sep	LATAM Airlines Group
19 Sep - 30 Sep	American Airlines

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

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 Buenos Aires to Madrid in September from 908€

Return flights