Cheapest return flights from Washington to St. Thomas in April from $458

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 April 2025 (see full year).

Return flights

28 Apr - 12 May United direct
27 Apr - 02 May Southern Airways Express
25 Apr - 03 May Southern Airways Express
17 Apr - 20 Apr Southern Airways Express
29 Apr - 13 May United direct
25 Apr - 09 May United direct
17 Apr - 01 May United
23 Apr - 07 May United
12 Apr - 19 Apr Southern Airways Express
24 Apr - 08 May United direct
16 Apr - 30 Apr United
10 Apr - 14 Apr Southern Airways Express
18 Apr - 02 May United direct
12 Apr - 15 Apr Southern Airways Express
10 Apr - 24 Apr United direct
25 Apr - 03 May United direct
24 Apr - 28 Apr Delta
24 Apr - 28 Apr United direct
15 Apr - 29 Apr United
05 Apr - 09 Apr American Airlines

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

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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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