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

Return flights

09 Oct - 12 Oct	Arajet
31 Oct - 12 Nov	Aeromexico
29 Oct - 10 Nov	British Airways
23 Oct - 01 Nov	Iberia
25 Oct - 01 Nov	Iberia
29 Oct - 08 Nov	British Airways
28 Oct - 04 Nov	Iberia
29 Oct - 09 Nov	Volaris
08 Oct - 12 Oct	Viva
16 Oct - 01 Nov	British Airways
04 Oct - 11 Oct	Volaris
09 Oct - 19 Oct	British Airways
11 Oct - 18 Oct	Aeromexico
04 Oct - 01 Nov	Air France
14 Oct - 24 Oct	British Airways
25 Oct - 31 Oct	British Airways
14 Oct - 25 Oct	Air France

Also check the deals for one-way flights from Mexico City to Dublin 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 Mexico City to Dublin in October from 696€

Return flights