Cheapest return flights from Washington to St. Thomas in January from 167€

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

Return flights

12 Jan - 15 Jan United
19 Jan - 23 Jan United direct
04 Jan - 11 Jan Frontier Airlines
17 Jan - 24 Jan Frontier Airlines
22 Jan - 25 Jan United
07 Jan - 13 Jan United
16 Jan - 20 Jan United
15 Jan - 19 Jan United
16 Jan - 19 Jan United

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

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