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

Return flights

07 Oct - 14 Oct	WestJet
01 Oct - 08 Oct	WestJet
11 Oct - 19 Oct	Air Transat
06 Oct - 19 Oct	jetBlue
12 Oct - 19 Oct	Air Transat
09 Oct - 16 Oct	Ryanair
10 Oct - 16 Oct	Aer Lingus
05 Oct - 09 Oct	WestJet
20 Oct - 24 Oct	Ryanair
13 Oct - 18 Oct	Ryanair
28 Oct - 07 Nov	Lufthansa
31 Oct - 18 Nov	SWISS
31 Oct - 08 Nov	SWISS
30 Oct - 16 Nov	United
28 Oct - 04 Nov	United
30 Oct - 18 Nov	United
26 Oct - 07 Nov	United
29 Oct - 02 Nov	United
27 Oct - 03 Nov	United
29 Oct - 05 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 584€

Return flights