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.

£320 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.

09:10 - 09:55

SLU

LHR

20h 45m

1 stop

09:20 - 19:00

LHR

SLU

14h 40m

1 stop

£909Multiple Airlines

to., 5 mar. - to., 30 apr.

15:45 - 09:55

SLU

LHR

14h 10m

1 stop

13:20 - 12:05

LHR

SLU

26h 45m

1 stop

£954Multiple Airlines

to., 26 feb. - to., 5 mar.

09:10 - 09:35

SLU

LHR

20h 25m

1 stop

09:20 - 19:00

LHR

SLU

14h 40m

1 stop

£1,043Multiple Airlines

to., 26 mar. - to., 25 jun.

16:00 - 14:25

SLU

LHR

18h 25m

2 stops

08:15 - 15:35

LHR

SLU

35h 20m

3 stops

£1,048Multiple Airlines

fr., 6 feb. - ma., 2 mar.

19:10 - 10:50

SLU

LHR

35h 40m

3 stops

12:15 - 13:10

LHR

SLU

28h 55m

3 stops

£1,066Multiple Airlines

ma., 23 feb. - on., 11 mar.

16:00 - 19:25

SLU

LGW

23h 25m

2 stops

10:40 - 15:35

LGW

SLU

32h 55m

3 stops

£1,076Multiple Airlines

fr., 6 feb. - ma., 2 mar.

19:10 - 06:20

SLU

LHR

31h 10m

2 stops

13:30 - 13:10

LHR

SLU

27h 40m

3 stops

£1,142Multiple Airlines

ma., 23 feb. - on., 11 mar.

12:35 - 06:15

SLU

LHR

12h 40m

1 stop

11:10 - 19:00

LHR

SLU

12h 50m

1 stop

£1,195Multiple Airlines

lø., 18 jul. - sø., 2 aug.

19:10 - 20:10

SLU

LHR

21h 00m

2 stops

08:00 - 19:00

LHR

SLU

15h 00m

1 stop

£1,230Multiple Airlines

ma., 23 feb. - on., 11 mar.

16:20 - 20:10

SLU

LHR

23h 50m

3 stops

08:00 - 19:00

LHR

SLU

15h 00m

1 stop

£1,312Multiple Airlines

ma., 23 feb. - on., 11 mar.

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

to. 5/3

09:10-09:55

1 stop20h 45m

London Heathrow

to. 30/4

09:20-19:00

1 stop14h 40m

£909

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

to. 26/2

15:45-09:55

1 stop14h 10m

London Heathrow

to. 5/3

13:20-12:05

1 stop26h 45m

£954

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

to. 26/3

09:10-09:35

1 stop20h 25m

London Heathrow

to. 25/6

09:20-19:00

1 stop14h 40m

£1,043

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

fr. 6/2

16:00-14:25

2 stops18h 25m

London Heathrow

ma. 2/3

08:15-15:35

3 stops35h 20m

£1,048

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

ma. 23/2

19:10-10:50

3 stops35h 40m

London Heathrow

on. 11/3

12:15-13:10

3 stops28h 55m

£1,066

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

fr. 6/2

16:00-19:25

2 stops23h 25m

London Gatwick

ma. 2/3

10:40-15:35

3 stops32h 55m

£1,076

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

ma. 23/2

19:10-06:20

2 stops31h 10m

London Heathrow

on. 11/3

13:30-13:10

3 stops27h 40m

£1,142

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

lø. 18/7

12:35-06:15

1 stop12h 40m

London Heathrow

sø. 2/8

11:10-19:00

1 stop12h 50m

£1,195

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

ma. 23/2

19:10-20:10

2 stops21h 00m

London Heathrow

on. 11/3

08:00-19:00

1 stop15h 00m

£1,230

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

ma. 23/2

16:20-20:10

3 stops23h 50m

London Heathrow

on. 11/3

08:00-19:00

1 stop15h 00m

£1,312

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	12h 40m
Direct flights	None

The fastest flight from Castries to London takes 12h 40m

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 12h 40m 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

Chelmsford

Hayes

Dover

Folkestone

Worthing

Colchester

Bedford

Ramsgate

Chichester

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.