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

Return flights

06 Dec - 08 Dec	United
13 Dec - 20 Dec	Air Canada
15 Dec - 05 Jan	Air Canada
29 Dec - 02 Jan	United	direct
26 Dec - 30 Dec	United	direct
19 Dec - 30 Dec	United	direct
16 Dec - 04 Jan	Spirit Airlines
24 Dec - 05 Jan	Spirit Airlines
26 Dec - 06 Jan	United	direct
24 Dec - 05 Jan	United	direct
31 Dec - 07 Jan	Air Canada
19 Dec - 04 Jan	Spirit Airlines
15 Dec - 02 Jan	Spirit Airlines
23 Dec - 05 Jan	Air Canada
07 Dec - 30 Dec	Copa
20 Dec - 28 Dec	Copa

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.

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Cheapest return flights from Newark to Port-of-spain in December from $408

Return flights