AirHint found the following cheapest return flights from Sofia (SOF) to Keflavik (KEF) in January 2026 (see full year).
Return flights
| 21 Jan - 26 Jan | Wizz Air | ||
| 22 Jan - 29 Jan | Wizz Air | ||
| 08 Jan - 15 Jan | Ryanair | ||
| 17 Jan - 20 Jan | Wizz Air | ||
| 08 Jan - 11 Jan | Wizz Air |
Also check the deals for one-way flights from Sofia to Keflavik in January.
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