Find flights
When to book
FAQs

Cheap flights from London Gatwick Airport to Castries from £427

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SLU
9 Jun — 16 Jun1
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 10 May 2026.

Sun 8/1110:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sun 29/1115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 5/5£719
Sat 31/1010:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sun 1/1115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 7/5£725
Mon 26/1010:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sat 7/1115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 8/5£741
Tue 12/509:40
LGW
-
SLU
2 stops34h 35m
Multiple Airlines
Tue 19/512:35
SLU
-
LGW
2 stops23h 35m
Multiple Airlines
Deal found 7/5£818
Wed 30/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Fri 8/115:45
SLU
-
LGW
1 stop13h 35m
Multiple Airlines
Deal found 9/5£971
Tue 12/521:35
LGW
-
SLU
3 stops44h 35m
Multiple Airlines
Sat 23/517:50
SLU
-
LGW
2 stops35h 55m
Multiple Airlines
Deal found 9/5£1,006
Sat 5/910:05
LGW
-
SLU
2 stops34h 10m
Multiple Airlines
Sat 12/912:35
SLU
-
LGW
2 stops14h 15m
Multiple Airlines
Deal found 6/5£1,013
Fri 25/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sun 3/115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 9/5£1,043
Sun 7/609:40
LGW
-
SLU
3 stops34h 55m
Multiple Airlines
Sun 14/605:00
SLU
-
LGW
2 stops24h 45m
Multiple Airlines
Deal found 7/5£1,047
Thu 4/613:05
LGW
-
SLU
2 stops30h 30m
Multiple Airlines
Thu 18/617:50
SLU
-
LGW
2 stops31h 30m
Multiple Airlines
Deal found 9/5£1,048
Wed 23/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Fri 8/115:45
SLU
-
LGW
1 stop13h 35m
Multiple Airlines
Deal found 9/5£1,085

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 10 May 2026.

Round-trip from

£725

One-way from

£427

Popular in

August

Cheapest in

November

Average price

£884

Good round-trip deal

£637 or less

Good one-way deal

£483 or less
31/10-1/11
  • 31/10-1/11
  • 2 total stops
  • 26h 15m total
  • London to Castries
Search Deals
14/5
  • 14/5
  • 3 total stops
  • 58h 10m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£157 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£51 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 10 May 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
Fastest return journey

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 26/10

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Sat 7/11

15:45-09:05

1 stop13h 20m

£741

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 4/6

13:05-14:35

2 stops30h 30m

Castries George F. L. Charle

Thu 18/6

17:50-06:20

2 stops31h 30m

£1,048

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sun 7/6

11:35-15:35

3 stops33h 00m

Castries George F. L. Charle

Sun 14/6

05:00-09:50

3 stops23h 50m

£1,112

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 12/10

15:50-09:30

3 stops46h 40m

Castries George F. L. Charle

Thu 22/10

17:50-06:20

2 stops31h 30m

£1,161

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Tue 1/9

08:50-09:30

3 stops29h 40m

Castries George F. L. Charle

Thu 10/9

17:50-06:20

2 stops31h 30m

£1,194

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 1/7

13:05-13:10

2 stops29h 05m

Castries George F. L. Charle

Mon 13/7

19:10-06:20

2 stops30h 10m

£1,213

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 15/6

10:45-15:35

3 stops33h 50m

Castries George F. L. Charle

Sun 21/6

05:00-09:25

3 stops23h 25m

£1,238

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 25/6

20:10-14:35

2 stops23h 25m

Castries George F. L. Charle

Tue 30/6

19:10-08:25

3 stops32h 15m

£1,278

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Fri 22/5

10:45-13:10

3 stops31h 25m

Castries George F. L. Charle

Fri 29/5

18:00-10:45

3 stops35h 45m

£1,358

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 13/8

13:05-14:35

2 stops30h 30m

Castries George F. L. Charle

Thu 27/8

17:50-09:25

3 stops34h 35m

£1,362

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 14 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.

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.

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.