Direct flights
from Castries (SLU)
to Port of Spain (POS)
with Caribbean Airlines

Weekly schedule for flights between George F.L. Charles (Castries, Saint Lucia) and Piarco Intl (Port of Spain, Trinidad and Tobago).
7 weekly flights operate on this route flying 239mi in 1h05min.
Expect $136 in average for a one-way ticket with the cheapest option at $136 on Jan 18.