AirHint found the following cheapest return flights from Sofia (SOF) to Singapore (SIN) in November 2025 (see full year).
Return flights
| 30 Nov - 07 Dec | KLM | ||
| 29 Nov - 09 Dec | Air France | ||
| 28 Nov - 06 Dec | KLM | ||
| 22 Nov - 07 Dec | Air France | ||
| 30 Nov - 06 Dec | KLM |
Also check the deals for one-way flights from Sofia to Singapore in November.
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