Cheapest one-way flights from Washington to St. Thomas in June from $212

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 June 2025 (see full year).

One-Way flights

15 Jun Allegiant Air
17 Jun American Airlines
18 Jun Delta
17 Jun United direct
18 Jun United direct
15 Jun United direct

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

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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