AirHint found the following cheapest return flights from Monterrey (MTY) to Madrid (MAD) in October 2025 (see full year).

Return flights

22 Oct - 12 Nov	Finnair
06 Oct - 12 Nov	Viva
20 Oct - 12 Nov	Finnair
21 Oct - 12 Nov	Finnair
28 Oct - 12 Nov	Finnair
16 Oct - 04 Nov	Volaris
31 Oct - 09 Nov	Avianca
30 Oct - 12 Nov	Viva
23 Oct - 13 Nov	Viva
20 Oct - 06 Nov	Viva
05 Oct - 15 Oct	Viva
05 Oct - 16 Oct	Viva
13 Oct - 31 Oct	Viva
16 Oct - 31 Oct	Viva
05 Oct - 20 Oct	Viva
03 Oct - 20 Oct	Volaris
02 Oct - 14 Oct	Volaris
06 Oct - 13 Oct	Viva
13 Oct - 20 Oct	Viva
21 Oct - 27 Oct	Viva

Also check the deals for one-way flights from Monterrey to Madrid 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 Monterrey to Madrid in October from 630€

Return flights