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

Return flights

11 Dec - 18 Dec	Frontier Airlines
14 Dec - 20 Dec	Frontier Airlines
31 Dec - 07 Jan	Delta	direct
04 Dec - 07 Dec	Frontier Airlines
08 Dec - 13 Dec	Frontier Airlines
23 Dec - 31 Dec	Frontier Airlines
21 Dec - 10 Jan	jetBlue
06 Dec - 13 Dec	Delta	direct
22 Dec - 10 Jan	jetBlue
24 Dec - 26 Dec	Delta	direct
01 Dec - 06 Dec	Frontier Airlines
23 Dec - 31 Dec	Delta	direct
29 Dec - 01 Jan	Delta	direct
25 Dec - 28 Dec	Frontier Airlines
31 Dec - 02 Jan	Delta
30 Dec - 02 Jan	Delta
31 Dec - 04 Jan	Delta	direct
31 Dec - 03 Jan	Delta	direct
26 Dec - 03 Jan	Delta	direct

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

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 December from 268€

Return flights