AirHint found the following cheapest one-way flights from Boston (BOS) to Berlin (BER) in December 2025 (see full year).
One-Way flights
| 14 Dec | TAP | ||
| 15 Dec | TAP | ||
| 16 Dec | TAP | ||
| 10 Dec | TAP | ||
| 03 Dec | TAP | ||
| 11 Dec | TAP | ||
| 29 Dec | Aer Lingus | ||
| 20 Dec | TAP | ||
| 17 Dec | SWISS | ||
| 19 Dec | SWISS |
Also check the deals for return flights from Boston to Berlin in December.
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