AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Bucharest (OTP) in December 2025 (see full year).
Return flights
| 23 Dec - 17 Jan | Frontier Airlines | ||
| 11 Dec - 02 Jan | Frontier Airlines | ||
| 12 Dec - 02 Jan | Spirit Airlines | ||
| 23 Dec - 04 Jan | Spirit Airlines | ||
| 21 Dec - 04 Jan | Spirit Airlines |
Also check the deals for one-way flights from Raleigh-durham to Bucharest in December.
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