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

Return flights

22 Jan - 05 Feb	Spirit Airlines
08 Jan - 15 Jan	Frontier Airlines
04 Jan - 11 Jan	Spirit Airlines
04 Jan - 11 Jan	United	direct

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

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 Houston to Port-of-spain in January from $435

Return flights