Cheapest one-way flights from Washington to St. Thomas in April from $165

Best time to book flights for Washington (IAD) to St. Thomas (STT) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to St. Thomas (STT) in April 2025 (see full year).

One-Way flights

26 Apr Frontier Airlines
16 Apr Frontier Airlines
15 Apr Frontier Airlines
27 Apr Southern Airways Express
14 Apr Frontier Airlines
28 Apr Frontier Airlines
09 Apr Frontier Airlines
30 Apr American Airlines
29 Apr United
11 Apr Southern Airways Express

Also check the deals for return flights from Washington to St. Thomas in April.

Skyscanner

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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