AirHint found the following cheapest return flights from Duesseldorf (DUS) to Bucharest (OTP) in May 2026 (see full year).
Return flights
| 29 May - 31 May | Eurowings | direct | |
| 12 May - 14 May | Eurowings | direct | |
| 13 May - 17 May | Air Serbia | ||
| 14 May - 17 May | Eurowings | direct | |
| 01 May - 08 May | Ryanair |
Also check the deals for one-way flights from Duesseldorf to Bucharest in May.
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