AirHint found the following cheapest return flights from Jacksonville (JAX) to St. Thomas (STT) in January 2026 (see full year).
Return flights
| 24 Jan - 30 Jan | Frontier Airlines | ||
| 25 Jan - 30 Jan | Breeze Airways | ||
| 24 Jan - 31 Jan | Frontier Airlines | ||
| 25 Jan - 31 Jan | Breeze Airways | ||
| 09 Jan - 12 Jan | Delta | ||
| 21 Jan - 23 Jan | Delta |
Also check the deals for one-way flights from Jacksonville to St. Thomas in January.
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