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

Return flights

04 Dec - 14 Dec	United
11 Dec - 15 Dec	United
15 Dec - 30 Dec	United
23 Dec - 31 Dec	Frontier Airlines
23 Dec - 30 Dec	Frontier Airlines
24 Dec - 05 Jan	Spirit Airlines
23 Dec - 29 Dec	Spirit Airlines
11 Dec - 04 Jan	Spirit Airlines
23 Dec - 28 Dec	Spirit Airlines
18 Dec - 26 Dec	Frontier Airlines
19 Dec - 25 Dec	Spirit Airlines
19 Dec - 22 Dec	Spirit Airlines
24 Dec - 04 Jan	Spirit Airlines
23 Dec - 04 Jan	Spirit Airlines
24 Dec - 03 Jan	Spirit Airlines

Also check the deals for one-way flights from New York 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 New York to Port-of-spain in December from 300€

Return flights