AirHint found the following cheapest return flights from Cologne (CGN) to Singapore (SIN) in December 2026 (see full year).
Return flights
| 08 Dec - 19 Dec | Turkish Airlines | ||
| 23 Dec - 05 Jan | Turkish Airlines | ||
| 22 Dec - 05 Jan | Eurowings |
Also check the deals for one-way flights from Cologne to Singapore in December.
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