Cheapest return flights from Pittsburgh to St. Thomas in April from $230

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

Return flights

28 Apr - 01 May United
08 Apr - 08 Apr Delta
08 Apr - 13 Apr Spirit Airlines
09 Apr - 13 Apr Spirit Airlines
09 Apr - 12 Apr Spirit Airlines
08 Apr - 12 Apr Spirit Airlines

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

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