AirHint found the following cheapest return flights from Reykjavik (REK) to Zagreb (ZAG) in December 2025 (see full year).
Return flights
| 05 Dec - 12 Dec | easyJet | ||
| 17 Dec - 12 Jan | Wizz Air | ||
| 18 Dec - 05 Jan | easyJet | ||
| 18 Dec - 06 Jan | easyJet | ||
| 19 Dec - 05 Jan | easyJet | ||
| 30 Dec - 02 Jan | easyJet |
Also check the deals for one-way flights from Reykjavik to Zagreb in December.
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