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Cheap flights from London Gatwick Airport to Castries from £521

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SLU
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 28 October 2025.

Thu 13/1114:00LGW - SLU
3 stops32h 05mMultiple Airlines
Thu 11/1218:20SLU - LGW
2 stops31h 40mMultiple Airlines
Deal found 27/10£944
Wed 12/1113:00LGW - SLU
2 stops28h 10mMultiple Airlines
Thu 20/1118:20SLU - LGW
2 stops31h 40mMultiple Airlines
Deal found 27/10£972
Mon 17/1106:30LGW - SLU
3 stops40h 30mMultiple Airlines
Mon 24/1116:20SLU - LGW
2 stops33h 40mMultiple Airlines
Deal found 26/10£1,016
Sun 2/1107:25LGW - SLU
3 stops36h 10mMultiple Airlines
Sun 9/1116:00SLU - LGW
2 stops22h 35mMultiple Airlines
Deal found 26/10£1,115
Sun 28/1213:00LGW - SLU
2 stops30h 35mMultiple Airlines
Thu 15/118:20SLU - LGW
2 stops31h 40mMultiple Airlines
Deal found 27/10£1,176
Thu 6/1111:40LGW - SLU
2 stops31h 35mMultiple Airlines
Sun 16/1119:10SLU - LGW
2 stops34h 35mMultiple Airlines
Deal found 26/10£1,245

Cheap 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 28 October 2025.

Round-trip from

£866

One-way from

£521

Popular in

December

Cheapest in

November

Average price

£644

Good round-trip deal

£644 or less

Good one-way deal

£499 or less
8/1-22/1
  • 8/1-22/1
  • 5 total stops
  • 62h 40m total
  • London to Castries
Search Deals
8/3
  • 8/3
  • 2 total stops
  • 30h 35m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from London Gatwick to Castries George F. L. Charle.
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Price to beat on a one-way flight from London Gatwick to Castries George F. L. Charle.
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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 28 October 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Castries that are best for you.

Fly from

Gatwick

Fly to

Castries

Route

Depart

Return

Price

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 8/1

08:30-11:30

3 stops31h 00m

Castries George F. L. Charle

Thu 22/1

18:20-06:00

2 stops31h 40m

£866

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 15/1

08:30-15:15

3 stops34h 45m

Castries George F. L. Charle

Thu 22/1

18:20-06:00

2 stops31h 40m

£896

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 13/11

14:00-18:05

3 stops32h 05m

Castries George F. L. Charle

Thu 11/12

18:20-06:00

2 stops31h 40m

£944

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 17/11

06:30-19:00

3 stops40h 30m

Castries George F. L. Charle

Mon 24/11

16:20-06:00

2 stops33h 40m

£1,016

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 12/11

10:15-13:10

3 stops30h 55m

Castries George F. L. Charle

Thu 20/11

18:20-09:20

3 stops35h 00m

£1,164

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sun 28/12

13:00-15:35

2 stops30h 35m

Castries George F. L. Charle

Thu 15/1

18:20-06:00

2 stops31h 40m

£1,176

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 6/11

11:40-15:15

2 stops31h 35m

Castries George F. L. Charle

Sun 16/11

19:10-09:45

2 stops34h 35m

£1,245

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Tue 13/1

11:40-09:30

2 stops25h 50m

Castries George F. L. Charle

Thu 22/1

18:20-06:00

2 stops31h 40m

£1,285

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sat 4/4

13:05-11:45

2 stops27h 40m

Castries George F. L. Charle

Sat 18/4

13:55-14:25

2 stops19h 30m

£1,304

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sun 8/3

13:00-15:35

2 stops30h 35m

£521

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 16 results
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, March is the cheapest month in which you can book a flight from London Gatwick Airport to Castries (average of £286). Flying from London Gatwick Airport to Castries in July is currently the most expensive (average of £561). 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.

Reviews of airlines servicing Castries

Get insights into the airlines that provide service to Castries. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Castries. Reviews last updated 28 October 2025.
Read through reviews of airlines operating flights from London Gatwick Airport to Castries, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,481 reviews
Check prices

Food

6.3

Comfort

6.7

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,481 reviews
British Airways
6.7
Okay
7,481 reviews
Check prices

Food

6.3

Comfort

6.7

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 1 airline has 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.

  • What is the cheapest airline to fly from London Gatwick Airport to Castries round-trip?

    According to our current data, British Airways (£453), offers the cheapest pricing from London Gatwick Airport to Castries. British Airways is priced at 26% lower than the current average price of a flight leaving 3 months from now.

  • 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, March is the cheapest month in which you can book a flight from London Gatwick Airport to Castries (average of £286). Flying from London Gatwick Airport to Castries in July is currently the most expensive (average of £561). 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
London City to Castries flights
Heathrow to Castries flights

Top airline flying from Gatwick to Castries

Discover the top airline that operate flights from Gatwick to Castries. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£453Average£580FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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