AirHint found the following cheapest return flights from San Juan (SJU) to Paris (CDG) in December 2025 (see full year).
Return flights
| 23 Dec - 13 Jan | United | ||
| 26 Dec - 05 Jan | Frontier Airlines | ||
| 28 Dec - 07 Jan | Frontier Airlines | ||
| 27 Dec - 07 Jan | Frontier Airlines |
Also check the deals for one-way flights from San Juan to Paris in December.
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