AirHint found the following cheapest return flights from Newark (EWR) to Port-of-spain (POS) in December 2025 (see full year).

Return flights

08 Dec - 12 Dec	United
10 Dec - 12 Dec	United
04 Dec - 08 Dec	United
03 Dec - 15 Dec	United
12 Dec - 14 Dec	United
05 Dec - 20 Dec	United
01 Dec - 04 Dec	United
04 Dec - 20 Dec	United
26 Dec - 29 Dec	United	direct
04 Dec - 11 Dec	United
26 Dec - 01 Jan	United	direct
10 Dec - 09 Jan	United
31 Dec - 14 Jan	American Airlines
25 Dec - 01 Jan	United	direct
05 Dec - 06 Jan	United
29 Dec - 02 Jan	United	direct
29 Dec - 05 Jan	United
26 Dec - 02 Jan	United	direct
22 Dec - 01 Jan	United	direct
23 Dec - 05 Jan	Frontier Airlines

Also check the deals for one-way flights from Newark to Port-of-spain 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 Port-of-spain

Cheap car rent in Port-of-spain

Cheapest return flights from Newark to Port-of-spain in December from $335

Return flights