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.

£570 Cheap Flights from Castries to London in 2026

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Find the cheapest flights from Castries to London

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:00 - 08:25

SLU

LGW

33h 25m

3 stops

13:05 - 14:35

LGW

SLU

30h 30m

2 stops

£1,148Multiple Airlines

Fri, 1 May - Sat, 30 May

12:35 - 11:50

SLU

LHR

18h 15m

2 stops

09:30 - 14:35

LHR

SLU

34h 05m

3 stops

£1,188Multiple Airlines

Thu, 18 Jun - Sat, 27 Jun

09:10 - 21:00

SLU

LHR

30h 50m

3 stops

09:30 - 14:35

LHR

SLU

34h 05m

3 stops

£1,192Multiple Airlines

Wed, 17 Jun - Sat, 27 Jun

17:50 - 09:50

SLU

LGW

35h 00m

3 stops

10:25 - 14:35

LGW

SLU

33h 10m

3 stops

£1,206Multiple Airlines

Sat, 20 Jun - Sat, 11 Jul

17:50 - 09:05

SLU

LHR

34h 15m

3 stops

16:50 - 14:35

LHR

SLU

26h 45m

3 stops

£1,209Multiple Airlines

Thu, 18 Jun - Sat, 27 Jun

17:50 - 10:45

SLU

LGW

35h 55m

2 stops

10:25 - 14:35

LGW

SLU

33h 10m

3 stops

£1,212Multiple Airlines

Sat, 20 Jun - Sat, 11 Jul

17:50 - 10:45

SLU

LGW

35h 55m

2 stops

13:05 - 14:35

LGW

SLU

30h 30m

2 stops

£1,219Multiple Airlines

Sat, 20 Jun - Sat, 11 Jul

12:35 - 21:00

SLU

LHR

27h 25m

3 stops

17:40 - 09:30

LHR

SLU

20h 50m

2 stops

£1,232Multiple Airlines

Thu, 11 Jun - Tue, 16 Jun

05:00 - 20:10

SLU

LHR

34h 10m

2 stops

16:50 - 13:10

LHR

SLU

25h 20m

3 stops

£1,242Multiple Airlines

Sun, 3 May - Wed, 24 Jun

12:35 - 17:50

SLU

LGW

24h 15m

3 stops

07:55 - 14:35

LGW

SLU

35h 40m

3 stops

£1,256Multiple Airlines

Wed, 17 Jun - Sat, 27 Jun

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Fri 1/5

18:00-08:25

3 stops33h 25m

London Gatwick

Sat 30/5

13:05-14:35

2 stops30h 30m

£1,148

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 18/6

12:35-11:50

2 stops18h 15m

London Heathrow

Sat 27/6

09:30-14:35

3 stops34h 05m

£1,188

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Wed 17/6

09:10-21:00

3 stops30h 50m

London Heathrow

Sat 27/6

09:30-14:35

3 stops34h 05m

£1,192

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Sat 20/6

17:50-09:50

3 stops35h 00m

London Gatwick

Sat 11/7

10:25-14:35

3 stops33h 10m

£1,206

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 18/6

17:50-09:05

3 stops34h 15m

London Heathrow

Sat 27/6

16:50-14:35

3 stops26h 45m

£1,209

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Sat 20/6

17:50-10:45

2 stops35h 55m

London Gatwick

Sat 11/7

10:25-14:35

3 stops33h 10m

£1,212

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Sat 20/6

17:50-10:45

2 stops35h 55m

London Gatwick

Sat 11/7

13:05-14:35

2 stops30h 30m

£1,219

Fastest return journey

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 11/6

12:35-21:00

3 stops27h 25m

London Heathrow

Tue 16/6

17:40-09:30

2 stops20h 50m

£1,232

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Sun 3/5

05:00-20:10

2 stops34h 10m

London Heathrow

Wed 24/6

16:50-13:10

3 stops25h 20m

£1,242

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Wed 17/6

12:35-17:50

3 stops24h 15m

London Gatwick

Sat 27/6

07:55-14:35

3 stops35h 40m

£1,256

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

Fastest flight time	17h 55m
Direct flights	None

The fastest flight from Castries to London takes 17h 55m

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

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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 17h 55m 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

Milton Keynes

Luton

Gatwick

Slough

Maidstone

Wembley

Southend-on-Sea

Ipswich

Canterbury

Ilford

Guildford

Hayes

Dover

Chelmsford

Folkestone

Bedford

Ramsgate

Chichester

Harlow

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.

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Cheap flights from Castries to London from £570

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 16/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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Filter for what you want

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Find the cheapest flights from Castries to London

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When to book flights from Castries to London

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

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

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According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year