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

Return flights

01 Oct - 20 Nov	Iberia
08 Oct - 12 Oct	Viva
19 Oct - 03 Nov	Delta
01 Oct - 09 Oct	Delta
01 Oct - 10 Oct	Iberia
02 Oct - 28 Oct	Arajet
10 Oct - 19 Oct	Iberia
11 Oct - 19 Oct	Iberia
02 Oct - 13 Oct	Iberia
31 Oct - 03 Nov	Delta
19 Oct - 02 Nov	Air France
03 Oct - 12 Oct	Viva
02 Oct - 11 Oct	Iberia
20 Oct - 24 Oct	WestJet
04 Oct - 01 Nov	KLM

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Mexico City to Dublin in October from 684€

Return flights