AirHint found the following cheapest return flights from Cleveland (CLE) to Berlin (BER) in December 2025 (see full year).
Return flights
| 03 Dec - 14 Dec | Lufthansa | ||
| 17 Dec - 07 Jan | Frontier Airlines | ||
| 22 Dec - 29 Dec | Aer Lingus | ||
| 25 Dec - 03 Jan | Frontier Airlines | ||
| 19 Dec - 26 Dec | Frontier Airlines |
Also check the deals for one-way flights from Cleveland to Berlin in December.
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