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Cheap flights from the United Kingdom to Castries from £498

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Castries departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from the United Kingdom to Castries

Recent return flight deals from the United Kingdom to Castries

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:45 - 19:00
LHR
-
SLU
13h 15m
1 stop
Multiple Airlines Logo
12:35 - 06:15
SLU
-
LHR
12h 40m
1 stop
£600Multiple Airlines
Thu, 3 Sep - Fri, 11 Sep
Multiple Airlines Logo
10:45 - 19:00
LHR
-
SLU
13h 15m
1 stop
Multiple Airlines Logo
12:35 - 06:15
SLU
-
LHR
12h 40m
1 stop
£601Multiple Airlines
Thu, 3 Sep - Fri, 11 Sep
Multiple Airlines Logo
10:05 - 19:00
LGW
-
SLU
12h 55m
1 stop
Multiple Airlines Logo
15:45 - 10:25
SLU
-
LGW
14h 40m
1 stop
£602Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
10:05 - 19:00
LGW
-
SLU
12h 55m
1 stop
Multiple Airlines Logo
15:45 - 10:25
SLU
-
LGW
14h 40m
1 stop
£624Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
10:05 - 19:00
LGW
-
SLU
12h 55m
1 stop
Multiple Airlines Logo
15:45 - 09:05
SLU
-
LGW
13h 20m
1 stop
£625Multiple Airlines
Sat, 7 Nov - Sun, 15 Nov
Multiple Airlines Logo
10:05 - 19:00
LGW
-
SLU
12h 55m
1 stop
Multiple Airlines Logo
15:45 - 10:25
SLU
-
LGW
14h 40m
1 stop
£630Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
10:05 - 19:00
LGW
-
SLU
12h 55m
1 stop
Multiple Airlines Logo
15:45 - 09:20
SLU
-
LGW
13h 35m
1 stop
£637Multiple Airlines
Wed, 11 Nov - Fri, 20 Nov
Multiple Airlines Logo
10:05 - 19:00
LGW
-
SLU
12h 55m
1 stop
Multiple Airlines Logo
15:45 - 10:25
SLU
-
LGW
14h 40m
1 stop
£640Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
10:05 - 19:00
LGW
-
SLU
12h 55m
1 stop
Multiple Airlines Logo
15:45 - 10:25
SLU
-
LGW
14h 40m
1 stop
£641Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
10:05 - 19:00
LGW
-
SLU
12h 55m
1 stop
Multiple Airlines Logo
15:45 - 10:25
SLU
-
LGW
14h 40m
1 stop
£646Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov

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Customise your flight search to find flights from United Kingdom to Castries 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 17 July 2026.
Use the filters below to find and compare flights from the United Kingdom to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 3/9

10:45-19:00

1 stop13h 15m

Castries George F. L. Charle

Fri 11/9

12:35-06:15

1 stop12h 40m

£600

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 3/9

10:45-19:00

1 stop13h 15m

Castries George F. L. Charle

Fri 11/9

12:35-06:15

1 stop12h 40m

£601

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 5/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 12/11

15:45-10:25

1 stop14h 40m

£602

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 5/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 12/11

15:45-10:25

1 stop14h 40m

£624

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sat 7/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Sun 15/11

15:45-09:05

1 stop13h 20m

£625

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 5/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 12/11

15:45-10:25

1 stop14h 40m

£630

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 11/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Fri 20/11

15:45-09:20

1 stop13h 35m

£637

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 5/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 12/11

15:45-10:25

1 stop14h 40m

£640

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 5/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 12/11

15:45-10:25

1 stop14h 40m

£641

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 5/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 12/11

15:45-10:25

1 stop14h 40m

£646

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Castries from

How to get the cheapest flight ticket from United Kingdom to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Which airlines fly to Castries?

British Airways, Air Canada and JetBlue are the top three most popular airlines that fly to Castries from United Kingdom according to our data. British Airways is the first choice among our users, with 94% of people opting to fly with this airline when travelling to Castries. Keep in mind that there are 5 different airlines that fly to Castries on a routine basis, so you have a few additional options to choose from.

Cheap United Kingdom to Castries flight deals and tips

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

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from United Kingdom to Castries takes 12h 25m
There are no direct flights from United Kingdom to Castries. There are no popular flight routes from United Kingdom to Castries.
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Frequently asked questions about flying from the United Kingdom to Castries

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

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

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

    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 United Kingdom to Castries George F. L. Charle Airport.

  • What documentation or ID do you need to fly to Castries George F. L. Charle Airport?

    The travel and health documents required for your trip to Castries George F. L. Charle Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castries George F. L. Charle Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Rodney Bay
Marigot Bay

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United Kingdom to Castries . Millions of users trust and use momondo every year so you are in good hands.

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

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

How can momondo help me find flights from United Kingdom to Castries?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Castries.

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

Of course. momondo tracks the price of United Kingdom to Castries flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Castries 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.
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