Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Barcelona. Flights to Barcelona from Trinidad and Tobago in August are about $1,081 on average during August, but can be found for as low as $869.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Trinidad and Tobago to Barcelona as you normally would.
The most popular airlines flying from Trinidad and Tobago to Barcelona are American Airlines, Air Canada and United Airlines. Something to consider prior to booking your flight.