Cheap Flights from London to Castries

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Flight deals from London to Castries

Looking for a cheap last-minute deal or the best return flight from London to Castries? Find the lowest prices on one-way and return tickets right here.

Castries.R 7,112 per passenger.Departing Sun, 11 Jan.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from London Luton on Sun, 11 Jan, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 7,112, select.

Castries.R 7,279 per passenger.Departing Mon, 9 Feb.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Mon, 9 Feb, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 7,279, select.

Castries.R 8,105 per passenger.Departing Sun, 23 Nov.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from London Gatwick on Sun, 23 Nov, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 8,105, select.

Castries.R 8,487 per passenger.Departing Sun, 7 Dec.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sun, 7 Dec, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 8,487, select.

Castries.R 9,296 per passenger.Departing Tue, 28 Apr.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Tue, 28 Apr, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 9,296, select.

Castries.R 9,419 per passenger.Departing Thu, 13 Nov.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Gatwick on Thu, 13 Nov, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 9,419, select.

Castries.R 9,460 per passenger.Departing Fri, 20 Mar.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Fri, 20 Mar, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 9,460, select.

Castries.R 9,558 per passenger.Departing Tue, 27 Jan.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Gatwick on Tue, 27 Jan, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 9,558, select.

Castries.R 9,602 per passenger.Departing Fri, 31 Oct.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Fri, 31 Oct, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 9,602, select.

Castries.R 9,696 per passenger.Departing Mon, 2 Feb.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Gatwick on Mon, 2 Feb, arriving in St Lucia Hewanorra.Price includes taxes and charges.From R 9,696, select.

Find the cheapest month to fly from London to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Castries flights are currently cheapest in January.

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Direct flights from London to Castries

Alternative London to Castries routes

Looking for the cheapest, fastest or easiest route from London to Castries? You could fly into the following airports instead.

London to Castries: Flight information

The things to know before you go.

Cheapest flight found	R 7,112
Cheapest month to fly	January
Average flight time	8 hrs, 57 mins
Most popular airline	Qatar Airways
Average flights per week	12

Finding cheap flights from London to Castries: Frequently asked questions

How many airports are there in Castries?

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.

How much are return flights from London to Castries?

The best price we found for a return flight from London to Castries is R 12,012. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from London to Castries?

8 hours and 57 minutes is the average flight time from London to Castries.

Which airlines fly direct from London to Castries?

Qatar Airways and British Airways fly direct from London to Castries.

How many flights are there a week from London to Castries?

As of October 2025, there are 12 flights per week flying from London to Castries.

When is the cheapest time to fly from London to Castries?

The cheapest month to fly from London to Castries is usually March.

Which is the cheapest airport to fly into in Castries?

If you're flying from London, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the centre of Castries. We've found flights into this airport from R 12,012.

Which upcoming date is cheapest to fly from London to Castries on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Castries on Monday, 9 March 2026.

Can I get a direct flight from London to Castries?

Yes – the average flight time is 8 hours and 57 minutes.

How can I get the best flight deal from London to Castries?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

What’s the weather like in Castries?

In October, the average temperature is usually around 28°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.

Which is the cheapest airline to fly from London to Castries with?

The cheapest airline that flies to Castries is British Airways .

Travelling from London to Castries: what you need to know

Take your pick of a number of airports when planning your flight from London to Castries. Check out your options for departing London from London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). London Luton Airport (LTN) and London City Airport (LCY) also service London.
When choosing where to land in Castries, George F. L. Charles Airport (SLU) and Hewanorra Airport (UVF) are the chief entry points.
Book a direct London to Castries flight and you'll be travelling for an average of 9 hours.
Castries's timezone is UTC-4, which makes Castries four hours behind London.
For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your London to Castries flight.
During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during high season in general.

How to find the cheapest flights from London to Castries

Book two months before you want to fly. Research into pricing trends suggests this is the ideal window for finding cheap London to Castries flights.
The best month for picking up cheap plane tickets from London to Castries is May. Use the 'Whole month' tool to compare flight prices, then select the dates that offer the lowest fares.
There's no need to check back in every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as a better deal comes up on cheap flights from London to Castries.
Lock in a cheap London to Castries flight with the help of our filters. Select your preferred times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from London

London Heathrow Airport (LHR)

Set out from London Heathrow Airport (LHR) on a nonstop flight from London to Castries. From LHR, you can fly directly into Hewanorra Airport (UVF).
Virgin Atlantic is a well-known airline that offers direct London to Castries plane tickets leaving from LHR.
A stopover is the ideal opportunity to take a travel break — and possibly even visit a new city. When browsing London to Castries flights departing from London Heathrow Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Consider one of these popular options:
- Hartsfield-Jackson Atlanta International Airport (ATL)
- John F. Kennedy International Airport (JFK)
- Grantley Adams International Airport (BGI)
Located around 26 kilometres from central London, LHR can be reached in about 55 minutes by car, depending on traffic. The journey by public transport will take roughly 1 hour.
After a hassle-free start to your trip? Stay near London Heathrow Airport. Whether you've booked an early flight from London to Castries or want to avoid feeling rushed, these hotels have you covered:
When it comes to London Heathrow Airport's on-time performance, 68.18% of flights arrive within the expected time frame.

London Gatwick Airport (LGW)

Prefer to fly from London Gatwick Airport (LGW)? This hub offers direct flights from London to Castries, seamlessly connecting you to Hewanorra Airport (UVF).
British Airways offers direct London to Castries plane tickets from LGW. Book your preferred aisle seat and arrive at your destination in one go.
Break up your London to Castries flight with a stop at John F. Kennedy International Airport (JFK). A major stopover between London Gatwick Airport and Castries, it's a great opportunity to unwind before the next leg of your journey.
LGW is about 40 kilometres from central London. It takes 1 hour 20 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 30 minutes.
Start your holiday early with an extra night away from home. Before your flight from London to Castries, take it easy in one of these hotels close to London Gatwick Airport:
When it comes to keeping flights punctual, London Gatwick Airport has an on-time arrival rate of 69%.

Stansted Airport (STN)

The journey time to STN from the centre of London is around 1 hour 25 minutes on public transport. If you prefer to travel by car, it'll take you about 1 hour to cover the 48 kilometres or so.
Relax in bed for a little longer and still make your London to Castries flight without having to rush. These hotels near Stansted Airport make departure day effortless if you're setting off early:
Airports have an on-time performance rating that measures how often flights arrive at their destinations without delays. At STN, that figure is 64.73%.

Arriving in Castries

George F. L. Charles Airport (SLU)

George F. L. Charles Airport (SLU) is approximately 2 kilometres from the centre of Castries. If you're catching a cab or a ride-share, the drive takes roughly 5 minutes.
It typically takes 40 minutes to get there on public transport.
If you're coming in on a late flight from London to Castries, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near SLU:
Grab a George F. L. Charles Airport rental car and discover Castries and beyond with your own wheels. Drive A Matic, Final Rentals and Sixt are well-known companies you can book with here.
To secure the lowest price, reserve your ride from George F. L. Charles Airport about one week ahead of your London to Castries flight.

Hewanorra Airport (UVF)

As soon as your flight from London to Castries has landed, you can get to the city centre in about 1 hour 10 minutes by car. Central Castries is approximately 31 kilometres from Hewanorra Airport (UVF).
Place the 'Do not disturb' sign on your door and relax at a hotel close to UVF. Here are a few options where you can check in after your flight from London to Castries:
Forget about inconvenient public transport timetables or long cab queues. Grab a Hewanorra Airport rental car and take your trip in whatever direction you choose. Check out the availability and rates from Drive A Matic, Sixt and Final Rentals.
Avoid paying extra. Securing your ride one week ahead of your arrival at UVF can get you a lower rate.

Best time to go to Castries

It's time to choose your dates for your flight from London to Castries. June is the most popular month to travel to Castries. If you want a more relaxed vibe, go in February.
Lock in a London to Castries ticket departing in September if you're eager to visit the city during its warmest month. Expect temperatures in Castries to range from 26ºC (79ºF) to 30ºC (86ºF).
February sees average temperatures of between 24ºC (75ºF) and 28ºC (82ºF). Look for cheap flights from London to Castries around that time if you like travelling in cooler conditions.

More about Castries

Start your Castries trip right by choosing the perfect place to stay. Once you've booked your flight from London to Castries, browse our selection of hotels including:
Derek Walcott Square and Morne Fortune are just the start of the top-rated attractions to put on your Castries travel itinerary. Continue your sightseeing adventures at Immaculate Conception Church.

Explore more of Saint Lucia

You've seen Castries, now it's time to explore more of Saint Lucia. Travel about 32 kilometres south to Vieux Fort to check off its must-visit sights. From Maria Islands Museum to Anse Des Sables Beach and YoungFaith Park, there's plenty to keep you on the go.
Any trip through Saint Lucia wouldn't be complete without visiting Micoud. Josephine Splash Park and Ti Rocher Community Park are just a couple of highlights in this well-known destination, which is about 24 kilometres south-east of Castries.