AirHint found the following cheapest return flights from Huntsville (HSV) to San Juan (SJU) in January 2026 (see full year).
Return flights
| 09 Jan - 13 Jan | Allegiant Air | ||
| 12 Jan - 16 Jan | Allegiant Air | ||
| 06 Jan - 09 Jan | United |
Also check the deals for one-way flights from Huntsville to San Juan in January.
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