Cheapest return flights from Washington to St. Thomas in April from $201

AirHint found the following cheapest return flights from Washington (IAD) to St. Thomas (STT) in April 2026 (see full year).

Return flights

26 Apr - 29 Apr United direct
15 Apr - 22 Apr United direct
05 Apr - 17 Apr United direct
07 Apr - 17 Apr United direct
08 Apr - 17 Apr United direct
13 Apr - 17 Apr United direct
09 Apr - 17 Apr United direct
26 Apr - 30 Apr United direct
08 Apr - 15 Apr United direct
09 Apr - 16 Apr United direct
28 Apr - 06 May United
29 Apr - 07 May United
27 Apr - 04 May United direct
25 Apr - 02 May United
29 Apr - 03 May United

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

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