AirHint found the following cheapest return flights from San Juan (SJU) to Milano (MXP) in December 2025 (see full year).
Return flights
| 11 Dec - 15 Dec | Air France | ||
| 05 Dec - 12 Dec | United | ||
| 06 Dec - 13 Dec | United | ||
| 23 Dec - 04 Jan | Frontier Airlines |
Also check the deals for one-way flights from San Juan to Milano in December.
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