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C$477 Cheap Flights from London Gatwick to Castries

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Flight deals from London Gatwick to Castries

Looking for a cheap last-minute deal or the best round-trip flight from London Gatwick to Castries? Find the lowest prices on one-way and round-trip tickets right here.
Castries.C$477 per passenger.Departing Sun., Apr. 12.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Gatwick on Sun., Apr. 12, arriving in St Lucia Hewanorra.Price includes taxes and charges.From C$477, select.
Castries.C$502 per passenger.Departing Fri., Jun. 12.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Gatwick on Fri., Jun. 12, arriving in St Lucia Hewanorra.Price includes taxes and charges.From C$502, select.
Castries.C$551 per passenger.Departing Wed., May 6.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Gatwick on Wed., May 6, arriving in St Lucia Hewanorra.Price includes taxes and charges.From C$551, select.
Castries.C$742 per passenger.Departing Mon., Mar. 9.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Gatwick on Mon., Mar. 9, arriving in St Lucia Hewanorra.Price includes taxes and charges.From C$742, select.
Castries.C$775 per passenger.Departing Sat., Mar. 14.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Gatwick on Sat., Mar. 14, arriving in St Lucia Hewanorra.Price includes taxes and charges.From C$775, select.
Castries.C$799 per passenger.Departing Sat., Apr. 25.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Gatwick on Sat., Apr. 25, arriving in St Lucia Hewanorra.Price includes taxes and charges.From C$799, select.
Castries.C$800 per passenger.Departing Thu., Oct. 29.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Gatwick on Thu., Oct. 29, arriving in St Lucia Hewanorra.Price includes taxes and charges.From C$800, select.
Castries.C$800 per passenger.Departing Sat., Jan. 16.One-way flight with British Airways.Outbound direct flight with British Airways departs from London Gatwick on Sat., Jan. 16, arriving in St Lucia Hewanorra.Price includes taxes and charges.From C$800, select.

Find the cheapest month to fly from London Gatwick to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Gatwick to Castries flights are currently cheapest in April.
Feb.
from C$843
Mar.
from C$742
Apr.
from C$477
May
from C$551
Jun.
from C$502
Jul.
from C$942
Aug.
from C$830
Sep.
from C$820
Oct.
from C$800
Nov.
from C$801
Dec.
from C$961
Jan.
from C$800

Direct flights from London Gatwick to Castries

Alternative London Gatwick to Castries routes

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

St Lucia Vigie

1km from central Castries
Closest
from C$722
Search flights

St Lucia Hewanorra

31km from central Castries
Cheapest
from C$477
Search flights

London to Castries: Flight information

The things to know before you go.
Cheapest flight foundC$477
Cheapest month to flyApril
Average flight time9 hrs
Most popular airlineQatar Airways
Average flights per week25

Finding cheap flights from London Gatwick to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a return flight from London Gatwick to Castries is C$998. 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.
9 hours is the average flight time from London Gatwick to Castries.
Qatar Airways and British Airways fly direct from London Gatwick to Castries.
As of February 2026, there are 25 flights per week flying from London Gatwick to Castries.
The cheapest month to fly from London Gatwick to Castries is usually February.
If you're flying from London Gatwick Airport, 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 C$998.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Gatwick Airport to Castries on Tuesday, February 2, 2027.
Yes – the average flight time is 9 hours.
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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 26°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.
Currently, British Airways offers the cheapest flight tickets to Castries.

Travelling from London Gatwick Airport (LGW) to Castries: what you need to know

  • Approximately 8 hours 19 minutes is how long you can expect to be travelling on a direct flight from London Gatwick Airport to Castries.

  • London Gatwick Airport is located in London. Based in the UTC-4 timezone, Castries is 4 hours behind London.

  • With 10 flights a week between the two airports, London Gatwick Airport (LGW) to Hewanorra Airport (UVF) is the most popular route. British Airways operates the earliest flight at 10:00. If you'd like to make the most of your day before you fly, the latest departure from LGW to UVF is with British Airways at 11:15.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your flight from LGW to Castries.

  • During popular months like August, you'll want to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're travelling during a peak period in general.

  • You can catch a direct flight from London Gatwick Airport to Castries. Start your journey at LGW and land at Hewanorra Airport (UVF).

  • British Airways is a well-known carrier that operates direct flights from London Gatwick Airport to Castries.

  • Stopovers are a great opportunity to explore a new city or just have a break during your journey. When looking for a flight from LGW to Castries, deselect 'Direct flights only' to explore all potential stops. John F. Kennedy International Airport (JFK) is a great option.

  • You don't need a visa for Saint Lucia if you hold a passport from United Kingdom and are travelling for tourism purposes. Travel documentation and visa requirements are subject to changes or updates. So before locking in your flight tickets from London Gatwick Airport to Castries, check with your airline and your destination country's local consulate or embassy for the latest rules.

  • LGW is around 80 kilometres from central London. If you're catching a cab, ride-sharing or driving from the centre, it'll take 1 hour and 19 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 1 hour and 26 minutes.

  • Need a convenient hotel near LGW? If you've booked an early flight from London Gatwick Airport to Castries, these stays will put you moments from check-in:

How to find the cheapest flights from London Gatwick Airport (LGW) to Castries

  • C$477 is the lowest price we've found for a one-way ticket from London Gatwick Airport to Castries. For a return flight on this route, the best price is C$998. Depending on when you book and the availability, these fares may change.

  • To pick up cheap tickets from LGW to Castries, reserve your trip 9 months before the departure date.

  • May is the cheapest month for tickets from London Gatwick Airport to Castries. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Snapping up a cheap ticket from LGW to Castries couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when the price has fallen.

  • Tailor your flights with filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from London Gatwick Airport to Castries.

Airports in Castries

Hewanorra Airport (UVF)

  • Hewanorra Airport (UVF) to central Castries is roughly 56 kilometres. It'll take you around 1 hour and 9 minutes to get to the centre driving.

  • Reserve a hotel near UVF if you have a late flight from London Gatwick Airport to Castries. Select one of these accommodation options and avoid the hassle of a long transfer:

George F. L. Charles Airport (SLU)

  • George F. L. Charles Airport (SLU) is roughly 3 kilometres from central Castries. After your flight from London Gatwick Airport to Castries, it'll take you around 6 minutes to reach the heart of the city in a cab or ride-share.

  • You can also travel by public transport, which typically takes 40 minutes.

  • You'll find some great places ready to welcome you near SLU. Tuck yourself in and get cozy after your flight from LGW to Castries at any of these well-located options:

Best time to go to Castries

  • July is the most popular month to board a flight from London Gatwick Airport to Castries while May is the quietest. To work out the best time to visit Castries, consider whether you prefer a lively vibe or a quieter pace.

  • Lock in your flight from London Gatwick Airport to Castries for September to visit the city during its warmest month. Expect temperatures to range from 26ºC to 30ºC.

  • February sees average temperatures of between 24ºC and 28ºC. Search for cheap flights from LGW to Castries sometime around then if you want to travel in cooler conditions.

More about Castries

  • Start your Castries trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from London Gatwick Airport to Castries, explore our selection of hotels including:

  • Every great adventure has to include a little sightseeing. Derek Walcott Square, Morne Fortune and Immaculate Conception Church are must-visits when exploring Castries.

Complete your Castries trip with a car rental

  • We use the same magic that helped you find your cheap flight from London Gatwick Airport to Castries to track down amazing deals on car rentals. Search for your ride in seconds and compare your options in one place. Plus you'll find all the info you need on car rentals in Castries, from the most popular rental company to the best time to book.

More travel options

Plan the rest of your trip from London to Castries

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