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Cheap flights from London Gatwick Airport to Castries from £384

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SLU
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to Castries

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Castries
Explore the most affordable flight options available from Gatwick to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Tue 15/910:05
LGW
-
SLU
2 stops37h 55m
Multiple Airlines
Fri 25/915:45
SLU
-
LGW
2 stops35h 05m
Multiple Airlines
Deal found 12/3£919
Sat 16/512:40
LGW
-
SLU
2 stops30h 55m
Multiple Airlines
Sat 23/517:50
SLU
-
LGW
3 stops33h 05m
Multiple Airlines
Deal found 8/3£922
Tue 17/316:25
LGW
-
SLU
2 stops52h 40m
Multiple Airlines
Sun 5/412:35
SLU
-
LGW
1 stop12h 55m
Multiple Airlines
Deal found 9/3£948
Thu 4/613:05
LGW
-
SLU
2 stops30h 30m
Multiple Airlines
Thu 11/617:50
SLU
-
LGW
2 stops31h 30m
Multiple Airlines
Deal found 9/3£950
Mon 1/611:00
LGW
-
SLU
2 stops33h 15m
Multiple Airlines
Tue 16/612:35
SLU
-
LGW
2 stops14h 15m
Multiple Airlines
Deal found 9/3£969
Wed 18/307:55
LGW
-
SLU
2 stops37h 10m
Multiple Airlines
Sun 5/412:35
SLU
-
LGW
1 stop12h 55m
Multiple Airlines
Deal found 9/3£973
Sun 15/310:40
LGW
-
SLU
2 stops32h 35m
Multiple Airlines
Wed 18/309:10
SLU
-
LGW
2 stops16h 10m
Multiple Airlines
Deal found 9/3£982
Fri 13/308:30
LGW
-
SLU
2 stops36h 35m
Multiple Airlines
Sun 22/312:35
SLU
-
LGW
1 stop13h 00m
Multiple Airlines
Deal found 11/3£989
Thu 23/410:20
LGW
-
SLU
1 stop13h 40m
Multiple Airlines
Thu 30/417:50
SLU
-
LGW
2 stops31h 30m
Multiple Airlines
Deal found 9/3£996
Thu 14/521:30
LGW
-
SLU
3 stops44h 40m
Multiple Airlines
Sun 24/518:00
SLU
-
LGW
2 stops35h 45m
Multiple Airlines
Deal found 9/3£1,003
Fri 8/511:35
LGW
-
SLU
3 stops30h 35m
Multiple Airlines
Fri 15/518:00
SLU
-
LGW
2 stops35h 45m
Multiple Airlines
Deal found 8/3£1,005

Find flight deals from Gatwick to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Castries (SLU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 March 2026.

Round-trip from

£922

One-way from

£384

Popular in

April

Cheapest in

November

Good round-trip deal

£655 or less

Good one-way deal

£461 or less
16/5-23/5
  • 16/5-23/5
  • 5 total stops
  • 64h 00m total
  • London to Castries
Search Deals
24/4
  • 24/4
  • 3 total stops
  • 52h 15m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (£531 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (£89 potential savings vs. average return price).
Search Deals
Price to beat on a round-trip flight from London Gatwick to Castries George F. L. Charle.
Search Deals
Price to beat on a one-way flight from London Gatwick to Castries George F. L. Charle.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 13 March 2026.
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

Cheapest return flight

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 1/6

11:00-15:15

2 stops33h 15m

Castries George F. L. Charle

Tue 16/6

12:35-07:50

2 stops14h 15m

£969

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 14/5

21:30-13:10

3 stops44h 40m

Castries George F. L. Charle

Sun 24/5

18:00-10:45

2 stops35h 45m

£1,003
Fastest return journey

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 23/4

11:00-19:00

2 stops13h 00m

Castries George F. L. Charle

Sun 17/5

09:10-05:30

2 stops15h 20m

£1,078

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Fri 8/5

11:35-13:10

3 stops30h 35m

Castries George F. L. Charle

Fri 15/5

18:00-10:45

2 stops35h 45m

£1,090

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Tue 24/3

09:30-12:05

2 stops30h 35m

Castries George F. L. Charle

Fri 27/3

09:10-05:20

2 stops16h 10m

£1,122

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 23/4

12:40-14:35

2 stops30h 55m

Castries George F. L. Charle

Thu 30/4

17:50-10:45

2 stops35h 55m

£1,126

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Tue 24/3

16:25-17:05

2 stops52h 40m

Castries George F. L. Charle

Thu 2/4

12:35-06:00

1 stop12h 25m

£1,149

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Tue 12/5

12:40-09:30

2 stops25h 50m

Castries George F. L. Charle

Thu 21/5

17:50-10:45

2 stops35h 55m

£1,168
Cheapest one-way

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sat 25/4

13:05-17:40

2 stops33h 35m

£428

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 2/4

19:00-17:05

2 stops51h 05m

£500

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Gatwick to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Gatwick with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Castries

What is the cheapest month to book a flight from London Gatwick Airport to Castries?

Currently, May is the cheapest month in which you can book a flight from London Gatwick Airport to Castries (average of £358). Flying from London Gatwick Airport to Castries in December is currently the most expensive (average of £649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Castries from London Gatwick?

    Castries George F. L. Charle (SLU) is the airport you will fly into if you book a flight from London Gatwick to Castries. You should not have trouble finding flights to George F. L. Charle from London Gatwick; the airport handles an average of 0 inbound flights from London Gatwick per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Castries airport from London Gatwick. It is only a 0.7 mi journey from George F. L. Charle (SLU) to Castries’s city center.

  • Can I find deals for flights from Gatwick to Castries that include hotel bookings?

    Yes. In addition to deals on Gatwick to Castries flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Castries.

  • Can I find deals for business class flights from Gatwick to Castries?

    Yes. Cheapflights offers flight deals from Gatwick to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to Castries?

    Currently, May is the cheapest month in which you can book a flight from London Gatwick Airport to Castries (average of £358). Flying from London Gatwick Airport to Castries in December is currently the most expensive (average of £649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Castries?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Castries

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Castries flights
Gatwick to Castries flights
Heathrow to Castries flights
London City to Castries flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Gatwick to Castries?

Deals for Gatwick to Castries flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Castries?

Millions of users choose and trust Cheapflights to book the best flight deals from Gatwick to Castries for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Gatwick to Castries with no change fees?

Need flexible booking options for your flight to Castries from Gatwick? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to Castries become cheaper?

Yes, Cheapflights offers price alerts on Gatwick to Castries flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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