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.

£416 Cheap Flights from Castries to London in 2025/26

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

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

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.

07:30 - 09:35

SLU

LHR

22h 05m1 stop

13:20 - 15:15

LHR

SLU

29h 55m1 stop

£864Multiple Airlines

Tue, 27 Jan - Tue, 3 Feb

18:20 - 06:30

SLU

LHR

32h 10m3 stops

09:00 - 15:15

LHR

SLU

34h 15m3 stops

£1,145Multiple Airlines

Thu, 19 Feb - Thu, 26 Feb

12:35 - 11:20

SLU

LHR

18h 45m2 stops

08:15 - 15:15

LHR

SLU

35h 00m3 stops

£1,187Multiple Airlines

Thu, 19 Feb - Thu, 26 Feb

12:35 - 09:55

SLU

LHR

17h 20m1 stop

12:25 - 15:15

LHR

SLU

30h 50m3 stops

£1,231Multiple Airlines

Thu, 19 Feb - Thu, 26 Feb

15:45 - 09:35

SLU

LHR

13h 50m1 stop

16:35 - 15:15

LHR

SLU

26h 40m2 stops

£1,284Multiple Airlines

Thu, 19 Feb - Thu, 26 Feb

13:55 - 16:40

SLU

LGW

22h 45m2 stops

11:40 - 15:15

LGW

SLU

31h 35m2 stops

£1,313Multiple Airlines

Thu, 19 Feb - Thu, 26 Feb

12:35 - 09:35

SLU

LHR

17h 00m1 stop

09:40 - 19:00

LHR

SLU

13h 20m1 stop

£1,360Multiple Airlines

Thu, 19 Feb - Thu, 26 Feb

13:55 - 16:40

SLU

LGW

22h 45m2 stops

10:25 - 15:15

LGW

SLU

32h 50m3 stops

£1,425Multiple Airlines

Thu, 19 Feb - Thu, 26 Feb

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Tue 27/1

07:30-09:35

1 stop22h 05m

London Heathrow

Tue 3/2

13:20-15:15

1 stop29h 55m

£864

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 19/2

18:20-06:30

3 stops32h 10m

London Heathrow

Thu 26/2

09:00-15:15

3 stops34h 15m

£1,145

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 19/2

12:35-11:20

2 stops18h 45m

London Heathrow

Thu 26/2

08:15-15:15

3 stops35h 00m

£1,187

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 19/2

12:35-09:55

1 stop17h 20m

London Heathrow

Thu 26/2

12:25-15:15

3 stops30h 50m

£1,231

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 19/2

15:45-09:35

1 stop13h 50m

London Heathrow

Thu 26/2

16:35-15:15

2 stops26h 40m

£1,284

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Thu 19/2

13:55-16:40

2 stops22h 45m

London Gatwick

Thu 26/2

11:40-15:15

2 stops31h 35m

£1,313

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Thu 19/2

12:35-09:35

1 stop17h 00m

London Heathrow

Thu 26/2

09:40-19:00

1 stop13h 20m

£1,360

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Thu 19/2

13:55-16:40

2 stops22h 45m

London Gatwick

Thu 26/2

10:25-15:15

3 stops32h 50m

£1,425

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Fri 24/4

12:15-20:10

2 stops26h 55m

£474

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Wed 25/2

10:15-06:20

3 stops40h 05m

£518

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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	14h 10m
Direct flights	None

The fastest flight from Castries to London takes 14h 10m

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

Search flight deals

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 14h 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.

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

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Hounslow

Bedford

Colchester

Ramsgate

Folkestone

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.