Cheap flights from the United Kingdom to Castries from £296

The month of May is, on average, the cheapest month to fly to Castries from United Kingdom, with most prices found around £303. If you’re not able to fly to Castries in May, then April is your next best option. Flight prices from United Kingdom to Castries during April average around £315.

Our data shows that Tuesday is the least expensive day to fly to Castries. Tickets to fly out on this day can be as low as £675. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Castries on Wednesday is £750.

According to our data, the cheapest time of day to fly to Castries is in the morning. momondo users have found flights departing from United Kingdom to Castries in the morning for as low as £714. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to Castries, so prices are often more expensive at around £782 per ticket.

Fly from London Gatwick to Castries Hewanorra for the best United Kingdom - Castries Hewanorra flight prices

You could potentially save up to 10% on your flight if you consider stops on a United Kingdom to Castries flight.

British Airways and WestJet are the most popular carriers operating from United Kingdom to Castries Hewanorra

British Airways, Air Canada and Finnair are the top three most popular airlines that fly to Castries from United Kingdom according to our data. British Airways is the first choice among our users, with 93% of people opting to fly with this airline when travelling to Castries. Keep in mind that there are 6 different airlines that fly to Castries on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between United Kingdom and Castries have experienced a delay on any given week. The average delay length over the past 12 months has been 116 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 22% of their flights experiencing any sort of delay.

The number of flights available between United Kingdom and Castries is 5 per week as of May 2026. The most frequent departure day is Thu, with 40% of weekly flights leaving on this day.

The flight from United Kingdom to Castries depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from London (a popular airport in United Kingdom) to Castries (the most popular airport in Castries), then the flight time is 17h 48m on average. If you fly from Edinburgh (another popular airport in United Kingdom) to Castries, then the average flight time is 29h 24m.