AirHint found the following cheapest return flights from San Jose (SJO) to Dublin (DUB) in December 2025 (see full year).
Return flights
| 06 Dec - 13 Dec | Iberojet | ||
| 26 Dec - 10 Jan | Air France | ||
| 20 Dec - 15 Jan | Air France | ||
| 26 Dec - 27 Jan | Air France | ||
| 29 Dec - 14 Jan | Air France | ||
| 03 Dec - 12 Dec | Air France | ||
| 13 Dec - 20 Dec | Air France |
Also check the deals for one-way flights from San Jose to Dublin in December.
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