Cheap flights from Trinidad and Tobago to Saint Lucia from £122

The month of September is, on average, the cheapest month to fly to Saint Lucia from Trinidad and Tobago, with most prices found around £252. If you don’t want to visit Saint Lucia in September, then you should wait until October to fly from Trinidad and Tobago, when ticket prices are also cheap, with an average price of £255.

The cheapest day to depart on your flight to Saint Lucia is on a Saturday when prices can be found for as low as £218. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Trinidad and Tobago because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £304.

In the morning is the cheapest time of day to fly from Trinidad and Tobago to Saint Lucia when you can find flight prices for as low as £275. Flying to Saint Lucia in the morning is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of £287.

Fly from Port of Spain Piarco Intl to Castries George F. L. Charle for the best Trinidad and Tobago - Saint Lucia flight prices

You are more likely to see cheaper flights to Saint Lucia from Trinidad and Tobago when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Lucia for around £284 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Lucia from Trinidad and Tobago for as low as £234 on momondo.

There are 2 cabin classes available to choose from on Trinidad and Tobago to Saint Lucia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, 1 flights take off from Trinidad and Tobago and land in Saint Lucia each day. The most common flight departure time for this route is 12:00, with 60% of daily flights taking off in the afternoon.

The number of flights available between Trinidad and Tobago and Saint Lucia is 7 per week as of March 2026. The most frequent departure day is Sat, with 43% of weekly flights leaving on this day.