Cheap flights from London to Saint Lucia from £297

The month of May is, on average, the cheapest month to fly to Saint Lucia from London, with most prices found around £305. If you don’t want to visit Saint Lucia in May, then you should wait until April to fly from London, when ticket prices are also cheap, with an average price of £317.

Fly from London Gatwick to Castries Hewanorra for the best London - Saint Lucia flight prices

You could potentially save up to 13% on your flight if you consider stops on a London to Saint Lucia flight.

British Airways, Air Canada, and KLM are the most popular carriers operating from London to Saint Lucia

British Airways, Air Canada and Finnair are the top three most popular airlines that fly to Saint Lucia from London according to our data. British Airways is the first choice among our users, with 92% of people opting to fly with this airline when travelling to Saint Lucia. Keep in mind that there are 6 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between London and Saint Lucia have experienced a delay on any given week. The average delay length over the past 12 months has been 113 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.