AirHint found the following cheapest return flights from New York (LGA) to Dublin (DUB) in December 2026 (see full year).
Return flights
| 04 Dec - 11 Dec | United | ||
| 21 Dec - 30 Dec | Air Canada | ||
| 19 Dec - 27 Dec | Air Canada | ||
| 18 Dec - 27 Dec | Air Canada |
Also check the deals for one-way flights from New York to Dublin in December.
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