AirHint found the following cheapest return flights from Zagreb (ZAG) to Tallinn (TLL) in December 2025 (see full year).
Return flights
| 10 Dec - 13 Dec | LOT | ||
| 09 Dec - 12 Dec | Lufthansa | ||
| 09 Dec - 13 Dec | Lufthansa | ||
| 22 Dec - 24 Dec | Lufthansa | ||
| 20 Dec - 27 Dec | LOT | ||
| 19 Dec - 21 Dec | LOT | ||
| 30 Dec - 02 Jan | LOT | ||
| 26 Dec - 04 Jan | LOT |
Also check the deals for one-way flights from Zagreb to Tallinn in December.
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