Cheap Flights from Castries to London Gatwick

Compare Castries to London Gatwick flight deals

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

Book the best London Gatwick fare with no extra fees

Flight deals from Castries to London Gatwick

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

London.$1,533 per passenger.Departing Fri, 18 Sep, returning Fri, 9 Oct.Return flight with British Airways.Outbound direct flight with British Airways departs from St Lucia Hewanorra on Fri, 18 Sep, arriving in London Gatwick.Inbound direct flight with British Airways departs from London Gatwick on Fri, 9 Oct, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $1,533, select.

London.$1,533 per passenger.Departing Fri, 16 Oct, returning Fri, 6 Nov.Return flight with British Airways.Outbound direct flight with British Airways departs from St Lucia Hewanorra on Fri, 16 Oct, arriving in London Gatwick.Inbound direct flight with British Airways departs from London Gatwick on Fri, 6 Nov, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $1,533, select.

London.$1,533 per passenger.Departing Tue, 8 Sep, returning Mon, 28 Sep.Return flight with British Airways.Outbound direct flight with British Airways departs from St Lucia Hewanorra on Tue, 8 Sep, arriving in London Gatwick.Inbound direct flight with British Airways departs from London Gatwick on Mon, 28 Sep, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $1,533, select.

London.$1,605 per passenger.Departing Fri, 16 Oct, returning Mon, 26 Oct.Return flight with British Airways.Outbound direct flight with British Airways departs from St Lucia Hewanorra on Fri, 16 Oct, arriving in London Gatwick.Inbound direct flight with British Airways departs from London Gatwick on Mon, 26 Oct, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $1,605, select.

London.$1,608 per passenger.Departing Sun, 17 May, returning Sun, 21 Jun.Return flight with British Airways.Outbound direct flight with British Airways departs from St Lucia Hewanorra on Sun, 17 May, arriving in London Gatwick.Inbound direct flight with British Airways departs from London Gatwick on Sun, 21 Jun, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $1,608, select.

London.$1,619 per passenger.Departing Tue, 30 Jun, returning Thu, 3 Sep.Return flight with British Airways.Outbound direct flight with British Airways departs from St Lucia Hewanorra on Tue, 30 Jun, arriving in London Gatwick.Inbound direct flight with British Airways departs from London Gatwick on Thu, 3 Sep, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $1,619, select.

London.$1,621 per passenger.Departing Tue, 23 Jun, returning Mon, 29 Jun.Return flight with British Airways.Outbound direct flight with British Airways departs from St Lucia Hewanorra on Tue, 23 Jun, arriving in London Gatwick.Inbound direct flight with British Airways departs from London Gatwick on Mon, 29 Jun, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $1,621, select.

London.$1,669 per passenger.Departing Thu, 2 Jul, returning Fri, 4 Sep.Return flight with British Airways.Outbound direct flight with British Airways departs from St Lucia Hewanorra on Thu, 2 Jul, arriving in London Gatwick.Inbound direct flight with British Airways departs from London Gatwick on Fri, 4 Sep, arriving in St Lucia Hewanorra.Price includes taxes and charges.From $1,669, select.

Find the cheapest month to fly from Castries to London Gatwick

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

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Direct flights from Castries to London Gatwick

Castries to London Gatwick: Alternative routes

Compare routes from Castries to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Gatwick.

Castries to London: Flight information

The things to know before you go.

Cheapest flight found	$1,533
Cheapest month to fly	September
Average flight time	8 hrs, 18 mins
Most popular airline	Qatar Airways
Average flights per week	28

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

How much are return flights from Castries to London Gatwick?

The best price we found for a return flight from Castries to London Gatwick is $1,533. 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 Castries to London Gatwick?

8 hours and 18 minutes is the average flight time from Castries to London Gatwick.

Which airlines fly direct from Castries to London Gatwick?

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

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

As of February 2026, there are 14 flights per week flying from Castries to London Gatwick.

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

The cheapest month to fly from Castries to London Gatwick is usually September.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Castries to London Gatwick Airport on Tuesday, 8 September 2026.

Can I get a direct flight from Castries to London Gatwick Airport?

Yes – the average flight time is 8 hours and 18 minutes.

How can I find the best flight deal to London Gatwick?

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 Gatwick 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.

When is the best time to book flights to London?

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.

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

The cheapest airline that flies to London Gatwick is British Airways .

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

Put your holiday plans into action by working out where you'll catch your flight from Castries to London Gatwick Airport (LGW). George F. L. Charles Airport (SLU) and Hewanorra Airport (UVF) are the two main airports in Castries.
The timezone in London is UTC+0, which is four hours ahead of Castries. London Gatwick Airport is located in London.
Your flight from Castries to LGW won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
Heading away during a peak period like public or school holidays? Expect longer lines at check-in and security. For peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

Airports in Castries

George F. L. Charles Airport (SLU)

You might be able to make your cheap flight from Castries to LGW even cheaper with a stopover. Just uncheck 'Direct flights only' during your search to find cities that could split up the flight. Piarco International Airport (POS) is an option when departing from George F. L. Charles Airport (SLU).
Located around 3 kilometres from the centre of Castries, SLU can be reached in about 5 minutes by car (depending on traffic). The journey on public transport takes roughly 40 minutes.
In search of a comfortable hotel near George F. L. Charles Airport? If you've booked an early flight from Castries to London Gatwick Airport, these accommodation options will put you moments from your departure gate:
Of all flights departing from George F. L. Charles Airport, 74.74% arrive as scheduled at their destination.

Hewanorra Airport (UVF)

Thinking of flying out of Hewanorra Airport (UVF)? Direct Castries to London Gatwick Airport (LGW) flight tickets can be booked from here.
British Airways offers direct flights from Castries to LGW departing from UVF. Book your favourite window (or aisle) seat and get to your destination in a single journey.
British Airways is the top choice for passengers flying from UVF to LGW.
British Airways is the most punctual carrier flying from Hewanorra Airport to London Gatwick Airport, with 67.44% of its services arriving as scheduled.
Depending on traffic conditions, you can drive to UVF from Castries's centre in around 1 hour 10 minutes. The airport is approximately 56 kilometres away.
Got an early start? Think about checking in to one of these hotels near Hewanorra Airport the day before your Castries to LGW flight:
When it comes to flights staying on schedule, Hewanorra Airport has an on-time arrival performance of 74.57%.

About London Gatwick Airport (LGW)

Book a hotel close to LGW if you're catching a late flight from Castries to London Gatwick Airport. Settle into one of these options and skip the long transfer:
Pick up a London Gatwick Airport rental car and discover London and beyond with your own wheels. Green Motion, U-Save and Drivalia are top providers to choose from here.
Booking your ride around three weeks in advance of your Castries to London Gatwick Airport flight can help you score a better rate.

Getting from London Gatwick Airport (LGW) to central London

London Gatwick Airport to central London is about 40 kilometres. If you're renting a car or getting a cab, do a little research to make your trip as smooth as possible. Journey times can vary based on the time of day and traffic conditions.
If you're using public transport, expect a journey time of roughly 30 minutes.

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

$892 is currently the best price for a one-way ticket from Castries to London Gatwick Airport. Return flights start from $1,533. These fares can change depending on demand and availability.
To snag cheap flights from Castries to LGW, book your ticket one month before your departure date.
Plan your trip for June. That's the best month for scoring an incredible deal on Castries to London Gatwick Airport tickets. If you're open to different travel dates, use the 'Whole month' tool to find the cheapest price across each month.
Spend less time searching for cheap flight tickets from Castries to LGW by setting up a Price Alert. We'll send you an email or notification on the app when prices go down.
Tailor your trip using filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Castries to London Gatwick Airport.

The best time to fly from Castries to London Gatwick Airport (LGW)

It's time to work out your travel dates for your flight from Castries to London Gatwick Airport (LGW). August is the most popular month to visit London. If you like things a bit more low-key, head there in February.
Lock in a Castries to LGW flight ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in London to range from 11ºC to 26ºC.
January sees temperatures of between 0ºC and 9ºC. Search for cheap tickets from Castries to London Gatwick Airport around that time if you want to travel in cooler conditions.

More about London

When it comes to searching for somewhere to rest your head, you'll find the best places to stay in London right here. Check out these hotels as soon as you've booked your flight from Castries to London Gatwick Airport:
Your London trip isn't complete without checking out the sights. Major attractions worth exploring include The British Museum, Westminster Abbey and Big Ben.

Explore more of the United Kingdom

You've seen London, now it's time to discover other parts of the United Kingdom. Journey around 193 kilometres north-west to Birmingham to check off its must-visit sights. From The Windsor Castle to Birmingham Museum & Art Gallery and Birmingham Hippodrome Theatre, there's plenty to keep you busy.
Around 177 kilometres west of London, Bristol is another favourite stop in the United Kingdom. Experience major highlights starting with Banksey, Banksy's You Don't Need Planning Permission to Build Castles in the Sky and Clifton Suspension Bridge.