AirHint found the following cheapest return flights from Cork (ORK) to Singapore (SIN) in December 2025 (see full year).
Return flights
| 14 Dec - 20 Dec | Ryanair | ||
| 24 Dec - 10 Jan | Ryanair | ||
| 23 Dec - 10 Jan | Ryanair | ||
| 26 Dec - 31 Dec | Ryanair | ||
| 29 Dec - 05 Jan | Ryanair | ||
| 12 Dec - 03 Jan | Ryanair | ||
| 20 Dec - 01 Jan | KLM | ||
| 19 Dec - 01 Jan | KLM |
Also check the deals for one-way flights from Cork to Singapore in December.
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