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

Return flights

12 Dec - 14 Dec	jetBlue
11 Dec - 17 Dec	Frontier Airlines
06 Dec - 13 Dec	Frontier Airlines
06 Dec - 13 Dec	Delta	direct
04 Dec - 07 Dec	Frontier Airlines
22 Dec - 31 Dec	Delta	direct
22 Dec - 29 Dec	Delta	direct
25 Dec - 31 Dec	Delta	direct
30 Dec - 05 Jan	Delta	direct
05 Dec - 12 Dec	Delta
18 Dec - 22 Dec	Delta
30 Dec - 04 Jan	Delta	direct
23 Dec - 04 Jan	Delta	direct
28 Dec - 02 Jan	Delta
19 Dec - 01 Jan	Delta

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 373€

Return flights