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

Return flights

24 Dec - 27 Dec	Ryanair
14 Dec - 13 Jan	Ryanair
15 Dec - 12 Jan	Ryanair
12 Dec - 19 Dec	Air France
31 Dec - 13 Jan	British Airways
22 Dec - 18 Jan	Ryanair
12 Dec - 09 Jan	Ryanair
23 Dec - 30 Dec	Ryanair
23 Dec - 06 Jan	Ryanair
10 Dec - 23 Dec	Lufthansa
23 Dec - 01 Jan	Ryanair
10 Dec - 22 Dec	Air Canada
23 Dec - 31 Dec	Ryanair
24 Dec - 10 Jan	Ryanair
10 Dec - 17 Dec	Air France
12 Dec - 15 Jan	Ryanair
30 Dec - 13 Jan	Ryanair
15 Dec - 23 Dec	United
24 Dec - 29 Dec	United
17 Dec - 31 Dec	United

Also check the deals for one-way flights from Dublin to Cancun in December.

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 December from $922

Return flights