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

Return flights

06 Oct - 14 Oct	Air Canada
09 Oct - 20 Nov	Air Canada
02 Oct - 14 Oct	Air Canada
02 Oct - 17 Oct	Air Canada
31 Oct - 20 Nov	Lufthansa
31 Oct - 15 Nov	Lufthansa
03 Oct - 11 Oct	American Airlines
10 Oct - 22 Oct	American Airlines
24 Oct - 15 Nov	Lufthansa
31 Oct - 21 Nov	Lufthansa
19 Oct - 03 Nov	Lufthansa
21 Oct - 16 Nov	Iberia	direct
21 Oct - 31 Oct	Iberia	direct
27 Oct - 10 Nov	Iberia	direct
30 Oct - 15 Nov	Iberia	direct
28 Oct - 17 Nov	Iberia	direct
01 Oct - 23 Oct	Lufthansa
01 Oct - 29 Oct	Lufthansa
01 Oct - 12 Oct	Lufthansa
01 Oct - 30 Oct	Lufthansa

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

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 October from 771€

Return flights