AirHint found the following cheapest return flights from Newcastle (NCL) to Singapore (SIN) in December 2025 (see full year).
Return flights
| 04 Dec - 13 Dec | Ryanair | ||
| 02 Dec - 12 Dec | Ryanair | ||
| 21 Dec - 12 Jan | easyJet | ||
| 13 Dec - 29 Dec | KLM | ||
| 14 Dec - 10 Jan | Lufthansa | ||
| 13 Dec - 11 Jan | KLM |
Also check the deals for one-way flights from Newcastle to Singapore in December.
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