Cheapest return flights from Houston to Port-of-spain in December from $564

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

Return flights

26 Dec - 31 Dec United direct
11 Dec - 18 Dec Spirit Airlines
14 Dec - 21 Dec Spirit Airlines
12 Dec - 19 Dec Spirit Airlines
15 Dec - 22 Dec Frontier Airlines
25 Dec - 31 Dec Spirit Airlines
25 Dec - 31 Dec United direct
15 Dec - 22 Dec United direct
14 Dec - 21 Dec United direct
11 Dec - 18 Dec United direct
22 Dec - 03 Jan United direct
21 Dec - 02 Jan United direct
20 Dec - 03 Jan United direct
19 Dec - 03 Jan United direct

Also check the deals for one-way flights from Houston to Port-of-spain in December.

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