AirHint found the following cheapest return flights from Washington (DCA) to St. Thomas (STT) in December 2025 (see full year).
Return flights
| 24 Dec - 29 Dec | American Airlines | ||
| 24 Dec - 28 Dec | jetBlue | ||
| 31 Dec - 05 Jan | jetBlue | ||
| 26 Dec - 30 Dec | American Airlines | ||
| 27 Dec - 30 Dec | American Airlines |
Also check the deals for one-way flights from Washington to St. Thomas in December.
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