AirHint found the following cheapest return flights from Newark (EWR) to St. Thomas (STT) in January 2026 (see full year).

Return flights

09 Jan - 22 Jan	Spirit Airlines
08 Jan - 22 Jan	Spirit Airlines
19 Jan - 22 Jan	Spirit Airlines
15 Jan - 22 Jan	Spirit Airlines
08 Jan - 22 Jan	United	direct
29 Jan - 02 Feb	United	direct
15 Jan - 19 Jan	Spirit Airlines
29 Jan - 01 Feb	United	direct
28 Jan - 01 Feb	United	direct
17 Jan - 20 Jan	United	direct
16 Jan - 19 Jan	United	direct

Also check the deals for one-way flights from Newark to St. Thomas in January.

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 Newark to St. Thomas in January from 251€

Return flights