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

Return flights

13 Oct - 22 Oct	jetBlue
06 Oct - 14 Oct	jetBlue
01 Oct - 10 Oct	Ryanair
02 Oct - 10 Oct	Ryanair
06 Oct - 09 Oct	Ryanair
24 Oct - 31 Oct	Lufthansa
20 Oct - 27 Oct	Air Canada
18 Oct - 23 Oct	Icelandair
18 Oct - 25 Oct	Icelandair
15 Oct - 22 Oct	Ryanair
31 Oct - 08 Nov	Lufthansa
30 Oct - 15 Nov	Aer Lingus
30 Oct - 18 Nov	Ryanair
26 Oct - 02 Nov	United
31 Oct - 18 Nov	United
24 Oct - 08 Nov	United
24 Oct - 02 Nov	United
25 Oct - 07 Nov	United
24 Oct - 01 Nov	United
22 Oct - 07 Nov	United

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 461€

Return flights