$159 Cheap Caribbean Airlines flights Castries (SLU) to Port of Spain (POS)

Use the "Price (lowest to highest)" filter on Expedia to search for cheap Caribbean Airlines return flights from $311 from SLU to POS. Affordable one-way options from $159 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for Caribbean Airlines flights from SLU to POS about one month before you want to leave. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of fare class or itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Travelers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Leaving SLU at 5:00AM UTC-4, the earliest Caribbean Airlines flight to POS lands at 6:05AM UTC-4. Traveling earlier in the day means you'll be less likely to encounter delays or cancellations.* Don't like early starts? The last Caribbean Airlines flight from SLU to POS departs at 5:25PM UTC-4 and touches down at 6:30PM UTC-4.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.