AirHint found the following cheapest return flights from Barcelona (BCN) to Mexico City (MEX) in October 2025 (see full year).

Return flights

15 Oct - 15 Nov	Iberia
15 Oct - 09 Nov	Iberia
17 Oct - 10 Nov	Iberia
01 Oct - 16 Oct	Iberia
01 Oct - 04 Oct	Iberia
03 Oct - 12 Oct	Iberia
17 Oct - 02 Nov	Iberia
15 Oct - 30 Oct	Iberia
15 Oct - 27 Oct	Iberia
29 Oct - 09 Nov	Iberia
15 Oct - 31 Oct	Iberia
17 Oct - 09 Nov	Iberia
17 Oct - 20 Oct	Iberia
17 Oct - 08 Nov	Iberia
29 Oct - 05 Nov	Iberia
08 Oct - 24 Oct	Iberia
08 Oct - 21 Oct	Iberia
06 Oct - 30 Nov	Iberia
01 Oct - 13 Oct	Iberia
31 Oct - 13 Nov	Iberia

Also check the deals for one-way flights from Barcelona to Mexico City 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 Barcelona to Mexico City in October from $679

Return flights