Cheapest return flights from Washington to St. Thomas in June from $460

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

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

Return flights

10 Jun - 18 Jun United direct
11 Jun - 18 Jun United direct
14 Jun - 24 Jun American Airlines
13 Jun - 18 Jun United direct
09 Jun - 23 Jun United direct
16 Jun - 30 Jun United
26 Jun - 10 Jul United
09 Jun - 17 Jun United
27 Jun - 11 Jul United direct
13 Jun - 23 Jun United direct
13 Jun - 16 Jun United direct
11 Jun - 19 Jun United
24 Jun - 08 Jul United direct
23 Jun - 07 Jul United
29 Jun - 13 Jul United
28 Jun - 12 Jul United
18 Jun - 02 Jul United direct
19 Jun - 03 Jul United
22 Jun - 06 Jul United

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

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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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