Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Barbados to Trinidad and Tobago as you normally would.
Due to multiple factors, expect to potentially pay more when booking in February. For low rates, August can be a great choice for travel to Trinidad and Tobago. Flights to Trinidad and Tobago from Barbados in August are about $234 on average during August, but can be found for as low as $191.