AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Berlin (BER) in December 2025 (see full year).
Return flights
| 07 Dec - 23 Dec | Icelandair | ||
| 13 Dec - 17 Jan | British Airways | ||
| 24 Dec - 31 Dec | Air Canada | ||
| 18 Dec - 03 Jan | Frontier Airlines | ||
| 27 Dec - 03 Jan | Lufthansa |
Also check the deals for one-way flights from Raleigh-durham to Berlin in December.
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