How do I get Price Alerts for flights from Castries to London?

Price Alerts will notify you by email when the price for flights to London from Castries decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Castries to London with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Castries George F. L. Charle Airport to London?

Prices for flights from Castries George F. L. Charle Airport to London are refreshed on a daily basis.

How old do you have to be to fly from Castries George F. L. Charle Airport to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Castries George F. L. Charle Airport to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£504 Cheap Flights from Castries to London in 2026

Find the cheapest flights from Castries to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:55 - 09:20SLU Castries George F. L. Charle-LGW London Gatwick

20h 25m1 stop Bridgetown Grantley Adams Intl

10:05 - 19:00LGW London Gatwick-SLU Castries George F. L. Charle

12h 55m1 stop Bridgetown Grantley Adams Intl

£927Multiple Airlines

Tue, 1 Dec - Thu, 31 Dec

15:45 - 07:55SLU Castries George F. L. Charle-LHR London Heathrow

12h 10m1 stop Bridgetown Grantley Adams Intl

14:45 - 15:15LHR London Heathrow-SLU Castries George F. L. Charle

28h 30m1 stop Bridgetown Grantley Adams Intl

£941Multiple Airlines

Tue, 1 Dec - Thu, 31 Dec

15:45 - 09:20SLU Castries George F. L. Charle-LHR London Heathrow

12h 35m1 stop Bridgetown Grantley Adams Intl

14:45 - 15:15LHR London Heathrow-SLU Castries George F. L. Charle

28h 30m1 stop Bridgetown Grantley Adams Intl

£944Multiple Airlines

Fri, 23 Oct - Fri, 30 Oct

16:50 - 09:20SLU Castries George F. L. Charle-LHR London Heathrow

11h 30m1 stop Bridgetown Grantley Adams Intl

09:35 - 19:00LHR London Heathrow-SLU Castries George F. L. Charle

14h 25m1 stop Bridgetown Grantley Adams Intl

£947Multiple Airlines

Mon, 28 Sep - Tue, 6 Oct

16:50 - 09:20SLU Castries George F. L. Charle-LHR London Heathrow

11h 30m1 stop Bridgetown Grantley Adams Intl

09:35 - 12:05LHR London Heathrow-SLU Castries George F. L. Charle

31h 30m1 stop Bridgetown Grantley Adams Intl

£958Multiple Airlines

Mon, 28 Sep - Wed, 7 Oct

15:45 - 09:20SLU Castries George F. L. Charle-LHR London Heathrow

12h 35m1 stop Bridgetown Grantley Adams Intl

09:35 - 19:00LHR London Heathrow-SLU Castries George F. L. Charle

14h 25m1 stop Bridgetown Grantley Adams Intl

£995Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

12:35 - 17:55SLU Castries George F. L. Charle-LGW London Gatwick

24h 20m3 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl Dublin

12:40 - 14:35LGW London Gatwick-SLU Castries George F. L. Charle

30h 55m2 stops Toronto Pearson Intl Port of Spain Piarco Intl

£1,008Multiple Airlines

Mon, 28 Sep - Thu, 8 Oct

16:50 - 09:20SLU Castries George F. L. Charle-LHR London Heathrow

11h 30m1 stop Bridgetown Grantley Adams Intl

09:35 - 19:00LHR London Heathrow-SLU Castries George F. L. Charle

14h 25m1 stop Bridgetown Grantley Adams Intl

£1,014Multiple Airlines

Mon, 28 Sep - Thu, 8 Oct

12:35 - 21:00SLU Castries George F. L. Charle-LHR London Heathrow

27h 25m3 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl Halifax Intl

18:00 - 19:00LHR London Heathrow-SLU Castries George F. L. Charle

29h 00m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

£1,020Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

12:35 - 11:50SLU Castries George F. L. Charle-LHR London Heathrow

18h 15m2 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl

18:00 - 19:00LHR London Heathrow-SLU Castries George F. L. Charle

29h 00m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl

£1,038Multiple Airlines

Fri, 23 Oct - Fri, 30 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastriesLondon

SLU Castries George F. L. Charle - LGW London Gatwick

SLULGW

Castries George F. L. Charle

Tue 1/12

08:55-09:20

1 stop20h 25m

London Gatwick

Thu 31/12

10:05-19:00

1 stop12h 55m

£927

CastriesLondon

SLU Castries George F. L. Charle - LHR London Heathrow

SLULHR

Castries George F. L. Charle

Tue 1/12

15:45-07:55

1 stop12h 10m

London Heathrow

Thu 31/12

14:45-15:15

1 stop28h 30m

£941

CastriesLondon

SLU Castries George F. L. Charle - LHR London Heathrow

SLULHR

Castries George F. L. Charle

Fri 23/10

15:45-09:20

1 stop12h 35m

London Heathrow

Fri 30/10

14:45-15:15

1 stop28h 30m

£944

Fastest return journey

CastriesLondon

SLU Castries George F. L. Charle - LHR London Heathrow

SLULHR

Castries George F. L. Charle

Mon 28/9

16:50-09:20

1 stop11h 30m

London Heathrow

Tue 6/10

09:35-19:00

1 stop14h 25m

£947

CastriesLondon

SLU Castries George F. L. Charle - LHR London Heathrow

SLULHR

Castries George F. L. Charle

Mon 28/9

16:50-09:20

1 stop11h 30m

London Heathrow

Wed 7/10

09:35-12:05

1 stop31h 30m

£958

CastriesLondon

SLU Castries George F. L. Charle - LHR London Heathrow

SLULHR

Castries George F. L. Charle

Sat 3/10

15:45-09:20

1 stop12h 35m

London Heathrow

Sat 10/10

09:35-19:00

1 stop14h 25m

£995

CastriesLondon

SLU Castries George F. L. Charle - LGW London Gatwick

SLULGW

Castries George F. L. Charle

Mon 28/9

12:35-17:55

3 stops24h 20m

London Gatwick

Thu 8/10

12:40-14:35

2 stops30h 55m

£1,008

CastriesLondon

SLU Castries George F. L. Charle - LHR London Heathrow

SLULHR

Castries George F. L. Charle

Mon 28/9

16:50-09:20

1 stop11h 30m

London Heathrow

Thu 8/10

09:35-19:00

1 stop14h 25m

£1,014

CastriesLondon

SLU Castries George F. L. Charle - LHR London Heathrow

SLULHR

Castries George F. L. Charle

Mon 19/10

12:35-21:00

3 stops27h 25m

London Heathrow

Mon 26/10

18:00-19:00

2 stops29h 00m

£1,020

CastriesLondon

SLU Castries George F. L. Charle - LHR London Heathrow

SLULHR

Castries George F. L. Charle

Fri 23/10

12:35-11:50

2 stops18h 15m

London Heathrow

Fri 30/10

18:00-19:00

2 stops29h 00m

£1,038

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

When to book flights from Castries to London

Are you open to changing your travel dates? Check out the ideal times to fly from Castries to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Castries to London (SLU to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Castries to London

Best price found	£504
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to London from Castries in the past 72 hours is £504. The best return flight deal from Castries to London found on momondo in the last 72 hours is £927.

The fastest flight from Castries to London takes 12h 10m

There are no direct flights from Castries to London. There are no popular flight routes from Castries to London.

Search flight deals

Frequently asked questions about flying from Castries to London

How far is Castries George F. L. Charle to London by plane?
Castries George F. L. Charle and London are 4217.4 mi apart from one another. Typically, this will take 12h 10m by plane in normal conditions.
When did momondo last update prices for flights from Castries George F. L. Charle Airport to London?
Prices for flights from Castries George F. L. Charle Airport to London are refreshed on a daily basis.
How old do you have to be to fly from Castries George F. L. Charle Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Castries George F. L. Charle Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Castries to London

How do I get Price Alerts for flights from Castries to London?
Price Alerts will notify you by email when the price for flights to London from Castries decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Castries to London with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Castries to London?

Finding the right flight to London from Castries is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Castries to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Castries with this policy.

How can momondo help me find flights from Castries to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Castries.

I’m not ready to book a flight from Castries to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Castries to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 10/10

Sat 17/10

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Airlines

Cabin classes

Other United Kingdom destinations

Complete your trip

Feeling lucky

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Castries to London from £504

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Castries to London departing on 17/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Castries to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

momondo Fare Finder

Use the filters below to find and compare flights from Castries to London that are best for you.

When to book flights from Castries to London

Cheap Castries to London (SLU to LON) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Castries to London

Frequently asked questions about flying from Castries to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year