Cheapest return flights from Louisville to St. Thomas in January from $372

AirHint found the following cheapest return flights from Louisville (SDF) to St. Thomas (STT) in January 2026 (see full year).

Return flights

21 Jan - 28 Jan American Airlines
22 Jan - 26 Jan United
23 Jan - 26 Jan United

Also check the deals for one-way flights from Louisville to St. Thomas in January.

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