AirHint found the following cheapest return flights from Sofia (SOF) to Singapore (SIN) in April 2026 (see full year).
Return flights
| 25 Apr - 04 May | Ryanair | ||
| 22 Apr - 06 May | Air France | ||
| 30 Apr - 10 May | KLM | ||
| 03 Apr - 11 Apr | Pegasus Airlines | ||
| 02 Apr - 11 Apr | Wizz Air | ||
| 04 Apr - 13 Apr | IndiGo |
Also check the deals for one-way flights from Sofia to Singapore in April.
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