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Cheap flights from London Gatwick Airport to Castries from £456

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SLU
9 Aug — 16 Aug1
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 July 2026.

Fri 4/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Fri 11/1215:45
SLU
-
LGW
1 stop13h 35m
Multiple Airlines
Deal found 5/7£602
Wed 4/1110:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Wed 11/1115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 5/7£630
Fri 20/1110:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sat 28/1115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 6/7£642
Mon 9/1110:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Mon 16/1115:45
SLU
-
LGW
1 stop14h 40m
Multiple Airlines
Deal found 9/7£645
Fri 20/1110:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sun 29/1115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 8/7£662
Tue 1/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Fri 29/115:45
SLU
-
LGW
1 stop13h 35m
Multiple Airlines
Deal found 8/7£668
Wed 30/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sat 9/115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 5/7£692
Mon 14/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Thu 24/1215:45
SLU
-
LGW
1 stop14h 40m
Multiple Airlines
Deal found 9/7£694
Sun 22/1110:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sun 29/1115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 5/7£698
Thu 24/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Fri 15/115:45
SLU
-
LGW
1 stop13h 35m
Multiple Airlines
Deal found 7/7£732
Wed 16/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Sun 10/115:45
SLU
-
LGW
1 stop13h 20m
Multiple Airlines
Deal found 7/7£753
Sat 19/1210:05
LGW
-
SLU
1 stop12h 55m
Multiple Airlines
Tue 29/1215:45
SLU
-
LGW
1 stop13h 35m
Multiple Airlines
Deal found 5/7£757

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 July 2026.

Round-trip from

£602

One-way from

£456

Good round-trip deal

£644 or less

Good one-way deal

£489 or less
4/12-11/12
  • 4/12-11/12
  • 2 total stops
  • 26h 30m total
  • London to Castries
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 44h 35m total
  • London to Castries
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.
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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 10 July 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 4/12

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Fri 11/12

15:45-09:20

1 stop13h 35m

£602

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Tue 1/12

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Fri 29/1

15:45-09:20

1 stop13h 35m

£668

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sat 19/12

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 31/12

15:45-10:25

1 stop14h 40m

£778

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 24/12

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 31/12

15:45-10:25

1 stop14h 40m

£787

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 24/12

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Fri 1/1

15:45-09:20

1 stop13h 35m

£841

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 24/12

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 7/1

15:45-10:25

1 stop14h 40m

£897
Fastest return journey

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 5/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 19/11

12:35-05:15

2 stops12h 40m

£900

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 23/12

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Fri 1/1

15:45-09:20

1 stop13h 35m

£910

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 29/10

11:40-14:35

2 stops30h 55m

Castries George F. L. Charle

Sun 8/11

18:55-09:45

2 stops34h 50m

£1,139

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Mon 12/10

08:40-08:10

3 stops28h 30m

Castries George F. L. Charle

Mon 19/10

19:40-09:25

3 stops32h 45m

£1,239

Flights are sorted by cheapest return flights first.

Deals found on 8/7

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.

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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