Cheap flights from the United Kingdom to Castries from £275

The month of September is, on average, the cheapest month to fly to Castries from United Kingdom, with most prices found around £554. If you’re not able to fly to Castries in September, then June is your next best option. Flight prices from United Kingdom to Castries during June average around £593.

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 £670. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Castries on Friday is £745.

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 £722. 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 £805 per ticket.

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

There are 3 cabin classes available to choose from on United Kingdom to Castries Hewanorra 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 24% on your flight if you consider stops on a United Kingdom to Castries flight.

WestJet, KLM, and Delta 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 92% 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 22% 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 114 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.

As of April 2026, 1 flights take off from United Kingdom and land in Castries each day. The most common flight departure time for this route is 11:00, with 100% of daily flights taking off at midday.

The number of flights available between United Kingdom and Castries is 8 per week as of April 2026. The most frequent departure day is Tue, with 25% of weekly flights leaving on this day.