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

One-Way flights

10 Dec	United
11 Dec	Spirit Airlines
13 Dec	Frontier Airlines
12 Dec	Frontier Airlines
16 Dec	Air Canada
17 Dec	Frontier Airlines
15 Dec	United
19 Dec	Frontier Airlines
18 Dec	Frontier Airlines
23 Dec	Frontier Airlines

Also check the deals for return 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 one-way flights from New York to Port-of-spain in December from 194€

One-Way flights