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

Return flights

17 Jun - 24 Jun	Spirit Airlines
22 Jun - 16 Jul	United	direct
30 Jun - 07 Jul	United	direct
27 Jun - 30 Jun	Spirit Airlines
15 Jun - 22 Jun	Air Canada
27 Jun - 30 Jun	United	direct
17 Jun - 01 Jul	United	direct
17 Jun - 28 Jun	United	direct
17 Jun - 24 Jun	United	direct
15 Jun - 22 Jun	United	direct

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

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 June from $631

Return flights