AirHint found the following cheapest return flights from Springfield (SGF) to St. Thomas (STT) in December 2025 (see full year).
Return flights
| 16 Dec - 20 Dec | Allegiant Air | ||
| 11 Dec - 18 Dec | Allegiant Air | ||
| 12 Dec - 19 Dec | Allegiant Air | ||
| 09 Dec - 16 Dec | American Airlines | ||
| 10 Dec - 17 Dec | American Airlines |
Also check the deals for one-way flights from Springfield to St. Thomas in December.
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