AirHint found the following cheapest return flights from New York (JFK) to St. Thomas (STT) in July 2025 (see full year).

Return flights

21 Jul - 25 Jul	Frontier Airlines
19 Jul - 21 Jul	jetBlue
11 Jul - 14 Jul	Frontier Airlines
09 Jul - 15 Jul	jetBlue
17 Jul - 22 Jul	Delta	direct
19 Jul - 24 Jul	Delta	direct
16 Jul - 23 Jul	Delta	direct
10 Jul - 17 Jul	Delta	direct
21 Jul - 30 Jul	Delta	direct
12 Jul - 14 Jul	jetBlue
29 Jul - 06 Aug	Delta

Also check the deals for one-way flights from New York to St. Thomas in July.

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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Cheapest return flights from New York to St. Thomas in July from $224

Return flights