Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Port of Spain. Flights to Port of Spain from Portland in May are about $608 on average during May, but can be found for as low as $394.
Travelers have found that booking a Monday departure is the best way to save up to 66% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
When flying from Portland to Port of Spain, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 16% versus a flight in the morning.