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Cheap flights from London Gatwick Airport to Castries from £423

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Castries departing on 4/9. 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 London Gatwick Airport to Castries

Cheap return flights

Logo
09:40 - 15:50LGW-SLU
35h 10m2 stops
Logo
12:35 - 06:20SLU-LGW
36h 45m3 stops
£924
Find Deal
Sun, 7 Sep - Mon, 22 Sep
Logo
11:00 - 12:05LGW-SLU
30h 05m2 stops
Logo
15:45 - 07:45SLU-LGW
35h 00m2 stops
£947
Find Deal
Fri, 12 Sep - Fri, 19 Sep
Logo
10:00 - 11:30LGW-SLU
30h 30m2 stops
Logo
09:10 - 06:20SLU-LGW
40h 10m3 stops
£979
Find Deal
Thu, 28 Aug - Wed, 3 Sep
Logo
10:40 - 12:05LGW-SLU
29h 25m2 stops
Logo
12:35 - 07:45SLU-LGW
15h 10m2 stops
£985
Find Deal
Fri, 14 Nov - Sat, 22 Nov
Logo
10:40 - 17:30LGW-SLU
34h 50m2 stops
Logo
05:00 - 05:00SLU-LGW
19h 00m1 stop
£1,119
Find Deal
Sun, 23 Nov - Sun, 26 Apr
Logo
11:40 - 11:45LGW-SLU
28h 05m2 stops
Logo
12:15 - 08:50SLU-LGW
16h 35m1 stop
£1,123
Find Deal
Sat, 22 Nov - Fri, 5 Dec
Logo
13:05 - 11:45LGW-SLU
27h 40m2 stops
Logo
09:10 - 06:20SLU-LGW
40h 10m3 stops
£1,156
Find Deal
Sat, 30 Aug - Wed, 3 Sep
Logo
10:45 - 11:30LGW-SLU
29h 45m3 stops
Logo
09:10 - 06:20SLU-LGW
40h 10m3 stops
£1,177
Find Deal
Thu, 28 Aug - Wed, 3 Sep
Logo
10:40 - 15:50LGW-SLU
33h 10m2 stops
Logo
12:30 - 05:30SLU-LGW
36h 00m2 stops
£1,200
Find Deal
Sun, 23 Nov - Sun, 26 Apr
Logo
12:55 - 13:10LGW-SLU
28h 15m1 stop
Logo
13:15 - 07:45SLU-LGW
14h 30m2 stops
£1,216
Find Deal
Fri, 14 Nov - Sat, 22 Nov

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport 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 1 August 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sun 7/9

09:40-15:50

2 stops35h 10m

Castries George F. L. Charle

Mon 22/9

12:35-06:20

3 stops36h 45m

£924

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Fri 12/9

11:00-12:05

2 stops30h 05m

Castries George F. L. Charle

Fri 19/9

15:45-07:45

2 stops35h 00m

£947

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 28/8

10:00-11:30

2 stops30h 30m

Castries George F. L. Charle

Wed 3/9

09:10-06:20

3 stops40h 10m

£979

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Fri 14/11

10:40-12:05

2 stops29h 25m

Castries George F. L. Charle

Sat 22/11

12:35-07:45

2 stops15h 10m

£985

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sun 23/11

10:40-17:30

2 stops34h 50m

Castries George F. L. Charle

Sun 26/4

05:00-05:00

1 stop19h 00m

£1,119

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sat 22/11

11:40-11:45

2 stops28h 05m

Castries George F. L. Charle

Fri 5/12

12:15-08:50

1 stop16h 35m

£1,123

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sat 30/8

13:05-11:45

2 stops27h 40m

Castries George F. L. Charle

Wed 3/9

09:10-06:20

3 stops40h 10m

£1,156

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 28/8

10:45-11:30

3 stops29h 45m

Castries George F. L. Charle

Wed 3/9

09:10-06:20

3 stops40h 10m

£1,177

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sun 23/11

10:40-15:50

2 stops33h 10m

Castries George F. L. Charle

Sun 26/4

12:30-05:30

2 stops36h 00m

£1,200

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Fri 14/11

12:55-13:10

1 stop28h 15m

Castries George F. L. Charle

Sat 22/11

13:15-07:45

2 stops14h 30m

£1,216

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from London Gatwick Airport 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

What is the cheapest day to depart on your flight to Castries?

Our data shows that Sunday is the least expensive day to fly to Castries. Tickets to fly out on this day can be as low as £518. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Castries on Saturday is £670.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the morning. momondo users have found flights departing from London Gatwick Airport to Castries in the morning for as low as £590. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Castries, so prices are often more expensive at around £836 per ticket.

When to book flights from London Gatwick Airport to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to Castries (LGW to SLU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Castries

Best price found

£423

Fastest flight time

13h 00m

Direct flights

None

Airports in Castries

1 airport
The best one-way flight to Castries from London Gatwick Airport in the past 72 hours is £423. The best return flight deal from London Gatwick Airport to Castries found on momondo in the last 72 hours is £924.
The fastest flight from London Gatwick Airport to Castries takes 13h 00m
There are no direct flights from London Gatwick Airport to Castries. Popular non-direct route for this connection is London Gatwick Airport - Castries George F. L. Charle Airport.
There is 1 airport near Castries: Castries George F. L. Charle (SLU)
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  • How far is London Gatwick to Castries George F. L. Charle by plane?

    Castries George F. L. Charle is 4209.3 mi away from London Gatwick. By plane, this route typically takes 26h 50m.

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

    Prices for flights from London Gatwick Airport to Castries George F. L. Charle Airport were last updated today.

  • How many operators does momondo search for flights from London Gatwick Airport to Castries George F. L. Charle Airport?

  • How old do you have to be to fly from London Gatwick Airport 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 London Gatwick Airport to Castries George F. L. Charle Airport.

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

    The required travel and health documents for your Castries George F. L. Charle Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Castries George F. L. Charle Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London Gatwick Airport to Castries?

Best airlines flying from London Gatwick Airport to Castries

Compare and see reviews for airlines that fly from London Gatwick Airport to Castries with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £412Free CancellationRating
6.6
7,222 reviews
Search British Airways flights

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 London to Castries?

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

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

Yes. momondo allows you to filter the results for London to Castries flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Castries?

momondo helps you find the best flight between London and Castries by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Castries, momondo offers a useful price alert feature which will track prices for flights to Castries from London and alert you when they change.

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