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

Return flights

22 Oct - 26 Oct	American Airlines
22 Oct - 29 Oct	American Airlines
20 Oct - 30 Oct	Ryanair
22 Oct - 04 Nov	Ryanair
20 Oct - 06 Nov	Ryanair
31 Oct - 04 Nov	Ryanair
20 Oct - 21 Oct	Ryanair
21 Oct - 28 Oct	Ryanair
22 Oct - 02 Nov	American Airlines
31 Oct - 09 Nov	Ryanair
31 Oct - 07 Nov	Ryanair
17 Oct - 21 Oct	Aer Lingus
20 Oct - 26 Oct	Ryanair
17 Oct - 24 Oct	Aer Lingus
23 Oct - 04 Nov	American Airlines
30 Oct - 08 Nov	American Airlines
31 Oct - 14 Nov	American Airlines
22 Oct - 03 Nov	Ryanair
24 Oct - 29 Oct	American Airlines
25 Oct - 31 Oct	American Airlines

Also check the deals for one-way flights from Dublin to Cancun 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 Dublin to Cancun in October from 619€

Return flights