Cheapest return flights from Houston to Port-of-spain in March from $478

AirHint found the following cheapest return flights from Houston (HOU) to Port-of-spain (POS) in March 2026 (see full year).

Return flights

12 Mar - 16 Mar Spirit Airlines
17 Mar - 19 Mar Spirit Airlines
14 Mar - 19 Mar Spirit Airlines
13 Mar - 20 Mar Spirit Airlines
08 Mar - 11 Mar Frontier Airlines
07 Mar - 12 Mar Spirit Airlines
12 Mar - 17 Mar United direct
13 Mar - 20 Mar United direct
14 Mar - 19 Mar United direct
12 Mar - 16 Mar United direct

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

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