AirHint found the following cheapest return flights from Zagreb (ZAG) to San Juan (SJU) in January 2026 (see full year).
Return flights
| 11 Jan - 28 Jan | Ryanair | ||
| 12 Jan - 22 Jan | Ryanair | ||
| 12 Jan - 30 Jan | Ryanair | ||
| 10 Jan - 29 Jan | Ryanair | ||
| 19 Jan - 26 Jan | Ryanair | ||
| 13 Jan - 31 Jan | Ryanair | ||
| 11 Jan - 29 Jan | Croatia Airlines |
Also check the deals for one-way flights from Zagreb to San Juan in January.
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