AirHint found the following cheapest return flights from Singapore (SIN) to Belgrade (BEG) in June 2026 (see full year).
Return flights
| 15 Jun - 23 Jun | Lufthansa | ||
| 04 Jun - 20 Jun | Etihad Airways | ||
| 06 Jun - 19 Jun | Etihad Airways |
Also check the deals for one-way flights from Singapore to Belgrade in June.
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