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

Return flights

02 Oct - 12 Oct	WestJet
07 Oct - 16 Oct	Ryanair
31 Oct - 07 Nov	Ryanair
04 Oct - 11 Oct	Ryanair
22 Oct - 01 Nov	WestJet
23 Oct - 02 Nov	Norwegian
04 Oct - 10 Oct	Ryanair
13 Oct - 21 Oct	Vueling Airlines
16 Oct - 27 Oct	Ryanair
24 Oct - 27 Oct	Lufthansa
14 Oct - 21 Oct	Vueling Airlines
16 Oct - 23 Oct	WestJet
23 Oct - 27 Oct	Norwegian
30 Oct - 10 Nov	Ryanair
10 Oct - 07 Nov	Aer Lingus
26 Oct - 01 Nov	Ryanair
26 Oct - 02 Nov	Ryanair
24 Oct - 02 Nov	Ryanair
25 Oct - 02 Nov	Ryanair
25 Oct - 01 Nov	Ryanair

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 $692

Return flights