AirHint found the following cheapest return flights from San Francisco (SFO) to Zagreb (ZAG) in December 2025 (see full year).
Return flights
| 02 Dec - 09 Dec | Lufthansa | ||
| 01 Dec - 04 Dec | TAP | ||
| 23 Dec - 11 Jan | Frontier Airlines | ||
| 24 Dec - 07 Jan | Frontier Airlines | ||
| 23 Dec - 30 Dec | Lufthansa | ||
| 14 Dec - 28 Dec | Lufthansa | ||
| 20 Dec - 04 Jan | Hawaiian Airlines |
Also check the deals for one-way flights from San Francisco to Zagreb in December.
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