AirHint found the following cheapest return flights from Bangor (BGR) to San Juan (SJU) in December 2025 (see full year).
Return flights
| 10 Dec - 21 Dec | United | ||
| 12 Dec - 02 Jan | Breeze Airways | ||
| 24 Dec - 04 Jan | Allegiant Air | ||
| 20 Dec - 04 Jan | Allegiant Air | ||
| 06 Dec - 14 Dec | Delta | ||
| 13 Dec - 03 Jan | United |
Also check the deals for one-way flights from Bangor to San Juan in December.
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