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

Return flights

08 Dec - 15 Dec	United	direct
06 Dec - 13 Dec	Spirit Airlines
16 Dec - 23 Dec	United	direct
29 Dec - 12 Jan	Spirit Airlines
29 Dec - 11 Jan	Spirit Airlines
24 Dec - 12 Jan	Spirit Airlines
24 Dec - 11 Jan	Spirit Airlines
23 Dec - 12 Jan	Spirit Airlines
23 Dec - 11 Jan	Spirit Airlines
26 Dec - 12 Jan	Spirit Airlines
29 Dec - 02 Jan	Spirit Airlines
29 Dec - 01 Jan	Spirit Airlines
26 Dec - 11 Jan	Spirit Airlines

Also check the deals for one-way flights from Newark 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.

Book a cheap hotel in St. Thomas

Cheap car rent in St. Thomas

Cheapest return flights from Newark to St. Thomas in December from 326€

Return flights