AirHint found the following cheapest return flights from Rennes (RNS) to Berlin (BER) in December 2025 (see full year).
Return flights
| 08 Dec - 11 Dec | easyJet | ||
| 25 Dec - 01 Jan | KLM | ||
| 31 Dec - 04 Jan | KLM | ||
| 26 Dec - 31 Dec | KLM | ||
| 30 Dec - 01 Jan | Volotea | ||
| 29 Dec - 02 Jan | KLM |
Also check the deals for one-way flights from Rennes to Berlin in December.
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