AirHint found the following cheapest return flights from Washington (IAD) to St. Thomas (STT) in November 2025 (see full year).

Return flights

20 Nov - 26 Nov	Frontier Airlines
15 Nov - 20 Nov	Frontier Airlines
18 Nov - 24 Nov	United	direct
01 Nov - 27 Nov	Frontier Airlines
11 Nov - 18 Nov	United
26 Nov - 30 Nov	Allegiant Air
21 Nov - 29 Nov	Southern Airways Express

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

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 November from $281

Return flights