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Cheap flights from London Gatwick Airport to Castries from £495

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SLU
1 Jul — 8 Jul1
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 1 June 2026.

Thu 8/1012:00
LGW
-
SLU
2 stops29h 05m
Multiple Airlines
Thu 29/1015:45
SLU
-
LGW
1 stop14h 40m
Multiple Airlines
Deal found 1/6£912
Tue 15/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sat 19/1215:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 28/5£982
Sat 10/1010:05
LGW
-
SLU
2 stops13h 55m
Multiple Airlines
Sat 31/1015:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 1/6£1,002
Thu 11/610:45
LGW
-
SLU
3 stops32h 50m
Multiple Airlines
Mon 15/612:35
SLU
-
LGW
3 stops27h 20m
Multiple Airlines
Deal found 1/6£1,163
Tue 22/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Tue 29/1215:45
SLU
-
LGW
1 stop13h 35m
Multiple Airlines
Deal found 27/5£1,207
Fri 25/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Wed 30/1215:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 29/5£1,244
Fri 26/608:55
LGW
-
SLU
3 stops42h 15m
Multiple Airlines
Sun 5/705:00
SLU
-
LGW
2 stops24h 00m
Multiple Airlines
Deal found 1/6£1,256
Mon 20/710:45
LGW
-
SLU
3 stops26h 25m
Multiple Airlines
Sun 26/705:00
SLU
-
LGW
3 stops34h 00m
Multiple Airlines
Deal found 30/5£1,288
Thu 11/610:45
LGW
-
SLU
3 stops32h 50m
Multiple Airlines
Sat 27/613:55
SLU
-
LGW
3 stops21h 10m
Multiple Airlines
Deal found 29/5£1,297
Thu 25/620:10
LGW
-
SLU
2 stops23h 25m
Multiple Airlines
Thu 2/717:50
SLU
-
LGW
3 stops33h 35m
Multiple Airlines
Deal found 28/5£1,307

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 1 June 2026.

Round-trip from

£1,163

One-way from

£495

Popular in

August

Cheapest in

November

Average price

£645

Good round-trip deal

£612 or less

Good one-way deal

£489 or less
11/6-15/6
  • 11/6-15/6
  • 6 total stops
  • 60h 10m total
  • London to Castries
Search Deals
10/6
  • 10/6
  • 3 total stops
  • 32h 25m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£161 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 1 June 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

Fri 26/6

08:55-22:10

3 stops42h 15m

Castries George F. L. Charle

Sun 5/7

05:00-10:00

2 stops24h 00m

£1,256

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 20/7

10:45-08:10

3 stops26h 25m

Castries George F. L. Charle

Sun 26/7

05:00-20:00

3 stops34h 00m

£1,288

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 25/6

20:10-14:35

2 stops23h 25m

Castries George F. L. Charle

Thu 2/7

17:50-08:25

3 stops33h 35m

£1,307

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Tue 16/6

09:40-09:30

3 stops28h 50m

Castries George F. L. Charle

Sun 21/6

05:00-10:45

2 stops24h 45m

£1,314
Fastest return journey

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Tue 23/6

10:35-09:30

3 stops27h 55m

Castries George F. L. Charle

Tue 30/6

11:45-16:00

3 stops23h 15m

£1,333

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 11/6

12:40-14:35

2 stops30h 55m

Castries George F. L. Charle

Sat 27/6

13:55-17:05

2 stops22h 10m

£1,385

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 13/7

17:00-15:35

3 stops27h 35m

Castries George F. L. Charle

Mon 20/7

19:10-09:25

3 stops33h 15m

£1,441
Cheapest one-way

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 10/6

09:45-13:10

3 stops32h 25m

£495

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 11/6

12:40-14:35

2 stops30h 55m

£605
Fastest single journey

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 14/10

17:00-13:10

3 stops25h 10m

£666

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 13 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

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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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