Cheapest return flights from Philadelphia to St. Thomas in December from 901€

Best time to book flights for Philadelphia (PHL) to St. Thomas (STT) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to St. Thomas (STT) in December 2025 (see full year).

Return flights

13 Dec - 19 Dec Delta

Also check the deals for one-way flights from Philadelphia to St. Thomas in December.

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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