AirHint found the following cheapest return flights from Glasgow (GLA) to Singapore (SIN) in December 2025 (see full year).
Return flights
| 01 Dec - 04 Dec | Wizz Air Malta | ||
| 07 Dec - 28 Dec | Lufthansa | ||
| 25 Dec - 08 Jan | KLM | ||
| 18 Dec - 03 Jan | easyJet | ||
| 30 Dec - 02 Jan | KLM |
Also check the deals for one-way flights from Glasgow to Singapore in December.
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