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

Return flights

04 Oct - 14 Oct	Viva
08 Oct - 15 Oct	Viva
09 Oct - 14 Oct	Arajet
06 Oct - 07 Nov	Viva
03 Oct - 14 Oct	Viva
21 Oct - 31 Oct	Volaris
14 Oct - 26 Nov	Viva
22 Oct - 29 Oct	Viva
13 Oct - 20 Oct	Viva
20 Oct - 30 Oct	Viva
08 Oct - 22 Oct	Viva
07 Oct - 20 Oct	Viva
26 Oct - 02 Nov	Viva
30 Oct - 05 Nov	Avianca
21 Oct - 10 Nov	Iberia
06 Oct - 10 Nov	Air France
27 Oct - 06 Nov	Iberia
04 Oct - 01 Nov	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 $698

Return flights