Cheap flights from London to Saint Lucia from £337

The month of September is, on average, the cheapest month to fly to Saint Lucia from London, with most prices found around £555. If you don’t want to visit Saint Lucia in September, then you should wait until October to fly from London, when ticket prices are also cheap, with an average price of £610.

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

There are 3 cabin classes available to choose from on London to Saint Lucia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 49% on your flight if you consider stops on a London to Saint Lucia flight.

American Airlines and British Airways are the most popular carriers operating from London to Saint Lucia

British Airways, American Airlines and Air Canada 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 96% of people opting to fly with this airline when travelling to Saint Lucia. Keep in mind that there are 3 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 23% 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 121 minutes.

Generally, flights departing in the morning 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 23% of their flights experiencing any sort of delay.