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

Return flights

08 Dec - 22 Dec	British Airways
04 Dec - 11 Dec	British Airways
14 Dec - 28 Dec	American Airlines
14 Dec - 22 Dec	American Airlines
24 Dec - 31 Dec	American Airlines
01 Dec - 15 Dec	British Airways
04 Dec - 14 Dec	British Airways
14 Dec - 23 Dec	American Airlines
07 Dec - 14 Dec	British Airways
04 Dec - 21 Dec	British Airways
12 Dec - 09 Jan	Delta
12 Dec - 15 Jan	Delta
03 Dec - 14 Jan	Delta
06 Dec - 09 Jan	Delta
24 Dec - 12 Jan	Delta
31 Dec - 11 Jan	Delta
24 Dec - 31 Jan	Delta
24 Dec - 08 Jan	Delta
24 Dec - 13 Jan	Delta
15 Dec - 08 Jan	Delta

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 611€

Return flights