AirHint found the following cheapest return flights from Singapore (SIN) to Bucharest (OTP) in May 2026 (see full year).
Return flights
| 11 May - 18 May | Lufthansa | ||
| 24 May - 05 Jun | Lufthansa | ||
| 25 May - 05 Jun | Lufthansa |
Also check the deals for one-way flights from Singapore to Bucharest in May.
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