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

Return flights

06 Dec - 12 Dec	Condor
17 Dec - 29 Dec	Delta
09 Dec - 11 Jan	Delta
27 Dec - 17 Jan	British Airways
22 Dec - 05 Jan	Delta
17 Dec - 05 Jan	Delta
12 Dec - 17 Dec	Delta
21 Dec - 05 Jan	Delta
25 Dec - 04 Jan	Air France
12 Dec - 04 Jan	British Airways
17 Dec - 06 Jan	Air France
21 Dec - 02 Jan	Air France
23 Dec - 03 Jan	Air France
16 Dec - 23 Dec	British Airways
16 Dec - 26 Dec	Delta

Also check the deals for one-way flights from Cancun to Dublin 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 Cancun to Dublin in December from $569

Return flights