Skyscanner

Cheap Flights from Castries to London

Travellers and cabin class

Compare Castries to London flight deals

Find the cheapest month or even day of the year to fly to London

Book the best London fare with no extra fees

Flight deals from Castries to London

Looking for a cheap last-minute deal or the best return flight from Castries to London? Find the lowest prices on one-way and return tickets right here.
London.Rs123,255 per passenger.Departing Fri, 18 Jul.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Fri, 18 Jul, arriving in London Gatwick.Price includes taxes and charges.From Rs123,255, select.
London.Rs135,399 per passenger.Departing Wed, 20 Aug.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Wed, 20 Aug, arriving in London Gatwick.Price includes taxes and charges.From Rs135,399, select.
London.Rs137,852 per passenger.Departing Sun, 7 Sep.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from St Lucia Hewanorra on Sun, 7 Sep, arriving in London Gatwick.Price includes taxes and charges.From Rs137,852, select.
London.Rs141,785 per passenger.Departing Sun, 9 Nov.One-way flight with Caribbean Airlines.Outbound indirect flight with Caribbean Airlines, departs from St Lucia Vigie on Sun, 9 Nov, arriving in London Gatwick.Price includes taxes and charges.From Rs141,785, select.
London.Rs154,058 per passenger.Departing Fri, 17 Oct.One-way flight with Caribbean Airlines.Outbound indirect flight with Caribbean Airlines, departs from St Lucia Vigie on Fri, 17 Oct, arriving in London Gatwick.Price includes taxes and charges.From Rs154,058, select.
London.Rs161,518 per passenger.Departing Mon, 30 Jun.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Mon, 30 Jun, arriving in London Heathrow.Price includes taxes and charges.From Rs161,518, select.
London.Rs172,618 per passenger.Departing Mon, 16 Mar.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Mon, 16 Mar, arriving in London Gatwick.Price includes taxes and charges.From Rs172,618, select.
London.Rs179,139 per passenger.Departing Sun, 5 Apr.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from St Lucia Hewanorra on Sun, 5 Apr, arriving in London Gatwick.Price includes taxes and charges.From Rs179,139, select.

Find the cheapest month to fly from Castries to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Castries to London flights are currently cheapest in July.
Jun
from Rs161,518
Jul
from Rs123,255
Aug
from Rs135,399
Sep
from Rs137,852
Oct
from Rs154,058
Nov
from Rs141,785
Dec
from Rs185,648
Jan
from Rs189,881
Feb
from Rs190,242
Mar
from Rs172,618
Apr
from Rs179,139
May
Find prices

Direct flights from Castries to London

Alternative Castries to London routes

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

Castries to London: Flight information

The things to know before you go.
Cheapest flight foundRs123,255
Cheapest month to flyJuly
Average flight time8 hrs, 18 mins
Most popular airlineQatar Airways
Average flights per week13

Finding cheap flights from Castries to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Castries to London is Rs263,125. 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.
8 hours and 18 minutes is the average flight time from Castries to London.
Qatar Airways and British Airways fly direct from Castries to London.
As of June 2025, there are 13 flights per week flying from Castries to London.
The cheapest month to fly from Castries to London is usually October.
If you're flying from Castries, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from Rs263,125.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Castries to London on Saturday, 25 October 2025.
Yes – the average flight time is 8 hours and 18 minutes.
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 London 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 15°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
The cheapest airline that flies to London is British Airways .

Flying from Castries to London: what you need to know

  • Start your holiday planning by considering the departure point for your flight from Castries to London. George F. L. Charles Airport (SLU) and Hewanorra Airport (UVF) are the main airports in Castries.

  • Land at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). You can also disembark at London Luton Airport (LTN) and London City Airport (LCY) in London.

  • The average time for a direct Castries to London flight is 8 hours 15 minutes.

  • The timezone in London is UTC+0, which is four hours ahead of Castries.

  • For a relaxed travel experience, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you can comfortably board your Castries to London flight.

  • During popular months such as June, it's best to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during peak periods in general.

How to find the cheapest flights from Castries to London

  • Booking early is often the key to locking in a cheap Castries to London flight. Prices tend to rise as demand increases, so the closer you get to departure, the more expensive your ticket may be.

  • If you can be flexible with your travel dates, try using the 'Whole month' search tool. It'll show you the cheapest price across each month when looking for your plane ticket from Castries to London.

  • Locking in a cheap flight from Castries to London is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when a better deal is available.

  • Find a cheap Castries to London flight with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from Castries

George F. L. Charles Airport (SLU)

  • Stopovers are the ideal opportunity to take a travel break — and perhaps even explore another city. When browsing Castries to London flights departing from George F. L. Charles Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Here are some options to consider:

    • V.C. Bird International Airport (ANU)

    • Grantley Adams International Airport (BGI)

    • Piarco International Airport (POS)

  • Located around 2 kilometres from central Castries, SLU can be reached in about 5 minutes by car (depending on traffic). The journey by public transport will take roughly 40 minutes.

  • Want a convenient hotel near George F. L. Charles Airport? If you're catching an early flight from Castries to London, these accommodation options will have you moments from your departure lounge:

  • Of the flights that depart from George F. L. Charles Airport, 74.74% land on time at their destination.

Hewanorra Airport (UVF)

  • Looking for a direct flight from Castries to London setting off from Hewanorra Airport (UVF)? Fasten your seatbelt and fly nonstop from UVF to London Heathrow Airport (LHR) and London Gatwick Airport (LGW).

  • You can book a direct Castries to London plane ticket with British Airways. This is one of the main airlines operating this route out of UVF.

  • Depending on traffic conditions, you can drive to UVF from the centre of Castries in about 1 hour 10 minutes. The airport is roughly 31 kilometres away.

  • Want to treat yourself to an extra night away before catching your flight from Castries to London? Kick back in a hotel near Hewanorra Airport before your holiday officially starts. These stays are calling your name:

  • 74.57% of flights departing Hewanorra Airport make it to their destination as expected.

Arriving in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to central London takes around 55 minutes by car. The centre is roughly 26 kilometres away.

  • It usually takes 1 hour to get there on public transport.

  • If you're coming in on a late flight from Castries to London, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and sleeping soon after at one of these accommodation options near LHR:

  • Travel at your own speed with a London Heathrow Airport rental car. Book your wheels from Surprice, U-Save or Green Motion and discover more of London and beyond.

  • For the best deal, book your ride from London Heathrow Airport about one week ahead of your Castries to London flight.

London Gatwick Airport (LGW)

  • As soon as your flight from Castries to London has landed, you can reach the city centre in about 1 hour 20 minutes by car. Central London is approximately 40 kilometres from London Gatwick Airport (LGW).

  • The trip will take about 30 minutes on public transport.

  • After your flight from Castries to London, settle in at a hotel near LGW. These are some comfortable options that'll help you slip into relaxation mode:

  • The fastest way to get to where you're going is with a London Gatwick Airport rental car. Pick up your wheels from Green Motion, U-Save or Drivalia and be off and running.

  • Don't pay more than you need to. Reserving your ride three weeks ahead of your arrival at LGW can land you a better rate.

Stansted Airport (STN)

  • Travel to the centre after your flight from Castries to London has arrived. Central London is around 48 kilometres from Stansted Airport (STN) and takes roughly 1 hour to get to by car.

  • Public transport can take you there in roughly 1 hour 25 minutes.

  • Enjoy a low-stress, comfortable start to your break by checking in to a hotel near STN after your Castries to London flight. Recover from a day of travel or simply give yourself time to settle into a new destination at:

  • Take control of the next chapter of your journey by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar make getting on the road smooth sailing.

  • If you're searching for a vehicle with specific features, book your ride from STN about four weeks before your flight from Castries to London. This gives you a better shot at getting the car you want, as well as a better rate.

Best time to go to London

  • February is the quietest month for flights from Castries to London, while July is the most popular. Choose the ideal time to go to London based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Lock in your Castries to London ticket then if you enjoy this type of weather.

  • January sees average temperatures of between 0ºC and 9ºC. Search for cheap flights from Castries to London around that time if you want to travel in cooler conditions.

More about London

Explore more of United Kingdom

  • London has its own special appeal, but there are so many other parts of United Kingdom just waiting to be explored. Around 161 kilometres north-west of London, a visit to Birmingham will keep your itinerary packed. Start with popular sights like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're eager to discover another side of United Kingdom, head for Bristol, roughly 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are key highlights.

Plan the rest of your trip from Castries to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.