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Cheap flights from London to Castries from £485

LON — SLU
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Castries

Enter your travel dates to find the best prices.

Cheapest flights from London to Castries

Thu 3/1210:05 -
1 stop12h 55m
Thu 17/1215:45 -
1 stop14h 40m
Deal found 6/11£648
Sun 6/1210:05 -
1 stop12h 55m
Tue 22/1215:45 -
1 stop13h 35m
Deal found 8/11£688
Sun 6/1210:05 -
1 stop12h 55m
Mon 14/1215:45 -
1 stop14h 40m
Deal found 5/11£703
Mon 7/1210:05 -
1 stop33h 10m
Mon 14/1215:45 -
1 stop14h 40m
Deal found 5/11£714
Sun 6/1210:35 -
1 stop12h 25m
Tue 22/1215:45 -
1 stop12h 45m
Deal found 9/11£716
Tue 8/1210:35 -
1 stop12h 25m
Tue 15/1215:45 -
1 stop12h 45m
Deal found 8/11£719
Sun 6/1210:35 -
1 stop12h 25m
Sun 20/1215:45 -
1 stop12h 45m
Deal found 7/11£721
Mon 7/1213:20 -
1 stop26h 45m
Sun 13/1215:45 -
1 stop12h 45m
Deal found 5/11£722
Fri 4/1214:45 -
1 stop25h 20m
Thu 17/1215:45 -
1 stop12h 10m
Deal found 8/11£731
Mon 7/1213:20 -
1 stop26h 45m
Wed 23/1215:45 -
1 stop12h 45m
Deal found 9/11£737
Sun 15/1114:45 -
1 stop32h 10m
Mon 30/1116:50 -
1 stop11h 05m
Deal found 8/11£741
Sun 13/1214:45 -
1 stop28h 30m
Thu 24/1215:45 -
1 stop12h 10m
Deal found 5/11£748

Find flight deals from London to Castries

Round-trip from

£648

One-way from

£485

Good round-trip deal

£590 or less

Good one-way deal

£786 or less
3/12-17/12
  • 3/12-17/12
  • 2 total stops
  • 27h 35m total
  • London to Castries
Search Deals
2/1-31/12
  • 2/1-31/12
  • 3 total stops
  • 42h 35m total
  • London to Castries
Search Deals
Price to beat on a round-trip flight from London (LON) to Castries George F. L. Charle.
Search Deals
Price to beat on a one-way flight from London (LON) to Castries George F. L. Charle.
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCastries

LGW London Gatwick - SLU Castries George F. L. Charle

LGWSLU

London Gatwick

Sat 2/1

21:30-12:05

3 stops42h 35m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£485

LondonCastries

LHR London Heathrow - SLU Castries George F. L. Charle

LHRSLU

London Heathrow

Sat 6/2

19:55-16:05

3 stops48h 10m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£548

LondonCastries

LGW London Gatwick - SLU Castries George F. L. Charle

LGWSLU

London Gatwick

Mon 30/11

07:00-08:10

3 stops29h 10m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£603

LondonCastries

LGW London Gatwick - SLU Castries George F. L. Charle

LGWSLU

London Gatwick

Tue 15/12

10:30-16:05

3 stops33h 35m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£621

LondonCastries

LGW London Gatwick - SLU Castries George F. L. Charle

LGWSLU

London Gatwick

Wed 25/11

08:15-13:10

3 stops32h 55m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£630

LondonCastries

LHR London Heathrow - SLU Castries George F. L. Charle

LHRSLU

London Heathrow

Tue 15/12

09:55-16:05

3 stops34h 10m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£652

LondonCastries

LHR London Heathrow - SLU Castries George F. L. Charle

LHRSLU

London Heathrow

Mon 16/11

18:00-08:10

2 stops18h 10m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£680

LondonCastries

LHR London Heathrow - SLU Castries George F. L. Charle

LHRSLU

London Heathrow

Wed 2/12

09:30-13:10

3 stops31h 40m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£684

LondonCastries

LHR London Heathrow - SLU Castries George F. L. Charle

LHRSLU

London Heathrow

Sat 14/11

18:00-19:00

3 stops29h 00m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£684

LondonCastries

LGW London Gatwick - SLU Castries George F. L. Charle

LGWSLU

London Gatwick

Sat 6/2

16:35-18:10

2 stops29h 35m

Castries George F. L. Charle

Wed 31/12

00:00-05:00

Nonstop0h 00m

£687

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from London to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from London with our price prediction graph.
Estimated return price

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Castries

Get a feel of what it's like to fly with British Airways from London to Castries by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,286 reviews
Check prices

Boarding

7.0

Entertainment

6.5

Food

6.4

Overall

6.7

Comfort

6.8

Crew

7.7

Reviews

1 / 20
10.0
Excellent

Jim,Sept 2026

LHR - FLR

The check-in and customer service were excellent as usual!
British Airways
6.7
Okay
8,286 reviews
British Airways
6.7
Okay
8,286 reviews
Check prices

Boarding

7.0

Entertainment

6.5

Food

6.4

Overall

6.7

Comfort

6.8

Crew

7.7

Reviews

1 / 20
10.0
Excellent

Jim,Sept 2026

LHR - FLR

The check-in and customer service were excellent as usual!

Related info for your journey

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

    For a flight from London to Castries, you will be flying into George F. L. Charle. Castries George F. L. Charle (SLU) is just 0.7 mi from the center of the city. George F. L. Charle is the only Castries airport and it handles 0 inbound flights from London per day. 0 airlines have flights to Castries George F. L. Charle from London on a regular basis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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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