AirHint found the following cheapest return flights from Bremen (BRE) to Keflavik (KEF) in December 2025 (see full year).
Return flights
| 04 Dec - 10 Dec | Ryanair | ||
| 06 Dec - 12 Dec | Ryanair | ||
| 20 Dec - 25 Dec | Lufthansa | ||
| 25 Dec - 30 Dec | KLM | ||
| 30 Dec - 04 Jan | KLM | ||
| 29 Dec - 03 Jan | Ryanair | ||
| 27 Dec - 03 Jan | Ryanair |
Also check the deals for one-way flights from Bremen to Keflavik in December.
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