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

Return flights

15 Jan - 19 Jan	Spirit Airlines
29 Jan - 05 Feb	Spirit Airlines
25 Jan - 02 Feb	Frontier Airlines
30 Jan - 06 Feb	Spirit Airlines
21 Jan - 03 Feb	Spirit Airlines
09 Jan - 12 Jan	Spirit Airlines
30 Jan - 06 Feb	United	direct
01 Jan - 08 Jan	Spirit Airlines
15 Jan - 03 Feb	American Airlines
25 Jan - 02 Feb	United	direct
15 Jan - 19 Jan	United	direct
01 Jan - 07 Jan	Spirit Airlines
09 Jan - 12 Jan	United	direct
02 Jan - 16 Jan	Frontier Airlines
02 Jan - 16 Jan	United	direct
01 Jan - 07 Jan	United	direct
01 Jan - 08 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 $407

Return flights