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Cheap flights from Castries to London from £351

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 24/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Castries to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:10 - 10:55
SLU
-
LGW
35h 45m
3 stops
Multiple Airlines Logo
11:55 - 13:10
LGW
-
SLU
29h 15m
3 stops
£881Multiple Airlines
Mon, 23 Feb - Wed, 11 Mar
Multiple Airlines Logo
19:10 - 10:50
SLU
-
LHR
35h 40m
3 stops
Multiple Airlines Logo
12:15 - 13:10
LHR
-
SLU
28h 55m
3 stops
£948Multiple Airlines
Mon, 23 Feb - Wed, 11 Mar
Multiple Airlines Logo
17:50 - 08:05
SLU
-
LHR
33h 15m
3 stops
Multiple Airlines Logo
07:40 - 09:30
LHR
-
SLU
30h 50m
3 stops
£1,078Multiple Airlines
Sat, 9 May - Tue, 2 Jun
Multiple Airlines Logo
10:15 - 20:10
SLU
-
LHR
29h 55m
3 stops
Multiple Airlines Logo
20:50 - 17:05
LHR
-
SLU
24h 15m
3 stops
£1,155Multiple Airlines
Wed, 25 Feb - Wed, 11 Mar
Multiple Airlines Logo
19:10 - 06:30
SLU
-
LHR
30h 20m
3 stops
Multiple Airlines Logo
16:50 - 14:35
LHR
-
SLU
26h 45m
3 stops
£1,167Multiple Airlines
Tue, 28 Jul - Sat, 12 Sep
Multiple Airlines Logo
19:10 - 06:30
SLU
-
LHR
30h 20m
3 stops
Multiple Airlines Logo
12:50 - 14:35
LHR
-
SLU
30h 45m
2 stops
£1,191Multiple Airlines
Tue, 28 Jul - Sat, 12 Sep
Multiple Airlines Logo
18:20 - 09:50
SLU
-
LGW
35h 30m
3 stops
Multiple Airlines Logo
11:40 - 15:15
LGW
-
SLU
31h 35m
2 stops
£1,201Multiple Airlines
Sat, 14 Feb - Sat, 28 Feb
Multiple Airlines Logo
18:45 - 20:10
SLU
-
LHR
21h 25m
2 stops
Multiple Airlines Logo
20:50 - 17:05
LHR
-
SLU
24h 15m
3 stops
£1,258Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
Multiple Airlines Logo
13:55 - 14:25
SLU
-
LHR
20h 30m
2 stops
Multiple Airlines Logo
12:25 - 15:15
LHR
-
SLU
30h 50m
3 stops
£1,259Multiple Airlines
Sat, 14 Feb - Sat, 28 Feb
Multiple Airlines Logo
19:10 - 20:10
SLU
-
LHR
21h 00m
2 stops
Multiple Airlines Logo
20:50 - 17:05
LHR
-
SLU
24h 15m
3 stops
£1,266Multiple Airlines
Mon, 23 Feb - Wed, 11 Mar

momondo Fare Finder

 
Customise your flight search to find flights from Castries to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 4 February 2026.
Use the filters below to find and compare flights from Castries to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Mon 23/2

19:10-10:55

3 stops35h 45m

London Gatwick

Wed 11/3

11:55-13:10

3 stops29h 15m

£881

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Mon 23/2

19:10-10:50

3 stops35h 40m

London Heathrow

Wed 11/3

12:15-13:10

3 stops28h 55m

£948

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Sat 9/5

17:50-08:05

3 stops33h 15m

London Heathrow

Tue 2/6

07:40-09:30

3 stops30h 50m

£1,078

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Wed 25/2

10:15-20:10

3 stops29h 55m

London Heathrow

Wed 11/3

20:50-17:05

3 stops24h 15m

£1,155

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Tue 28/7

19:10-06:30

3 stops30h 20m

London Heathrow

Sat 12/9

16:50-14:35

3 stops26h 45m

£1,167

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Tue 28/7

19:10-06:30

3 stops30h 20m

London Heathrow

Sat 12/9

12:50-14:35

2 stops30h 45m

£1,191

CastriesLondon

SLU - LGW

SLULGW

Castries George F. L. Charle

Sat 14/2

18:20-09:50

3 stops35h 30m

London Gatwick

Sat 28/2

11:40-15:15

2 stops31h 35m

£1,201

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Fri 20/3

18:45-20:10

2 stops21h 25m

London Heathrow

Fri 27/3

20:50-17:05

3 stops24h 15m

£1,258

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Sat 14/2

13:55-14:25

2 stops20h 30m

London Heathrow

Sat 28/2

12:25-15:15

3 stops30h 50m

£1,259

CastriesLondon

SLU - LHR

SLULHR

Castries George F. L. Charle

Mon 23/2

19:10-20:10

2 stops21h 00m

London Heathrow

Wed 11/3

20:50-17:05

3 stops24h 15m

£1,266

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

13h 35m

Direct flights

None
The fastest flight from Castries to London takes 13h 35m
There are no direct flights from Castries to London. There are no popular flight routes from Castries to London.
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  • 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 13h 35m 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Folkestone
Bedford
Colchester
Wembley
Worthing
Ramsgate

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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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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport