AirHint found the following cheapest return flights from Zagreb (ZAG) to Keflavik (KEF) in January 2026 (see full year).
Return flights
| 26 Jan - 30 Jan | Ryanair | ||
| 18 Jan - 28 Jan | Ryanair | ||
| 19 Jan - 22 Jan | Ryanair | ||
| 22 Jan - 27 Jan | Lufthansa | ||
| 07 Jan - 14 Jan | Ryanair | ||
| 09 Jan - 16 Jan | Ryanair | ||
| 05 Jan - 10 Jan | Ryanair |
Also check the deals for one-way flights from Zagreb to Keflavik in January.
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