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

Return flights

19 Jan - 26 Jan	United
21 Jan - 28 Jan	United
19 Jan - 29 Jan	United
21 Jan - 29 Jan	United
30 Jan - 07 Feb	United
29 Jan - 26 Feb	United
29 Jan - 25 Feb	United
30 Jan - 25 Feb	United
29 Jan - 09 Feb	United
30 Jan - 09 Feb	United
31 Jan - 09 Feb	United
11 Jan - 26 Jan	United
10 Jan - 15 Jan	United
07 Jan - 13 Jan	Delta
09 Jan - 13 Jan	Delta
21 Jan - 27 Jan	United
29 Jan - 18 Feb	United
30 Jan - 18 Feb	United
23 Jan - 02 Feb	United
19 Jan - 30 Jan	United

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Washington to St. Thomas in January from 169€

Return flights