AirHint found the following cheapest return flights from Mexico City (MEX) to Dublin (DUB) in December 2026 (see full year).
Return flights
| 04 Dec - 10 Dec | Iberia | ||
| 30 Dec - 06 Jan | Iberia | ||
| 19 Dec - 04 Jan | Air Canada | ||
| 19 Dec - 05 Jan | Iberia |
Also check the deals for one-way flights from Mexico City to Dublin in December.
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