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£354+ Cheap flights to Castries

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
— SLU
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Castries

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Cheapest flights to Castries
Explore the most affordable flight options available to Castries. Find the lowest fares based on data from user searches, with prices last updated on 27 November 2025.

Thu 27/1113:20LHR - SLU
1 stop27h 50mMultiple Airlines
Sun 30/1112:10SLU - LHR
1 stop13h 15mMultiple Airlines
Deal found 26/11£726
Thu 4/1213:20LHR - SLU
1 stop29h 55mMultiple Airlines
Mon 8/1215:45SLU - LHR
1 stop14h 55mMultiple Airlines
Deal found 26/11£870
Wed 3/1213:25LHR - SLU
3 stops33h 35mMultiple Airlines
Wed 10/1210:15SLU - LHR
3 stops21h 05mMultiple Airlines
Deal found 26/11£892
Thu 27/1119:35LGW - SLU
2 stops26h 50mMultiple Airlines
Sun 30/1112:10SLU - LGW
1 stop13h 25mMultiple Airlines
Deal found 26/11£1,006
Mon 8/1209:40LHR - SLU
1 stop30h 25mMultiple Airlines
Fri 9/113:55SLU - LHR
1 stop11h 30mMultiple Airlines
Deal found 26/11£1,017
Fri 28/1113:50LGW - SLU
2 stops31h 45mMultiple Airlines
Thu 4/1212:35SLU - LGW
1 stop12h 55mMultiple Airlines
Deal found 26/11£1,027
Fri 5/1218:00LHR - SLU
2 stops32h 10mMultiple Airlines
Wed 10/1210:15SLU - LHR
3 stops30h 20mMultiple Airlines
Deal found 25/11£1,036
Fri 28/1113:25LHR - SLU
1 stop29h 50mMultiple Airlines
Thu 4/1215:45SLU - LHR
1 stop12h 45mMultiple Airlines
Deal found 26/11£1,038
Sat 13/1214:30LHR - SLU
1 stop24h 55mMultiple Airlines
Mon 22/1212:35SLU - LHR
1 stop12h 50mMultiple Airlines
Deal found 24/11£1,041
Mon 15/1209:40LHR - SLU
1 stop11h 50mMultiple Airlines
Sun 21/1212:10SLU - LHR
1 stop13h 15mMultiple Airlines
Deal found 26/11£1,054
Sat 29/1111:40LGW - SLU
2 stops31h 35mMultiple Airlines
Sat 6/1218:20SLU - LGW
2 stops35h 25mMultiple Airlines
Deal found 25/11£1,099
Sun 30/1119:55LGW - SLU
2 stops46h 50mMultiple Airlines
Thu 4/1212:35SLU - LGW
1 stop12h 55mMultiple Airlines
Deal found 25/11£1,138

Flights to Castries in 2025

Find the latest flights to Castries in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 27 November 2025.

Return from

£691

One-way from

£354

Popular in

April

Cheapest in

November

Average price

£503

Good round-trip deal

£688 or less

Good one-way deal

£439 or less
2/3-12/3
  • 2/3-12/3
  • 2 total stops
  • 26h 00m total
  • London to Castries
Search Deals
9/3
  • 9/3
  • 3 total stops
  • 51h 20m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£111 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (£70 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals
Price to beat on a round-trip flight from London to Castries George F. L. Charle.
Search Deals
Price to beat on a one-way flight from London to Castries George F. L. Charle.
Search Deals

Cheapflights Fare Finder

 
Locate flights to Castries that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 27 November 2025.
Use the filters below to find and compare flights to Castries that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 25/2

08:00-19:00

1 stop15h 00m

Castries George F. L. Charle

Wed 11/3

15:45-09:55

1 stop14h 10m

£705

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mon 23/2

09:40-17:30

1 stop11h 50m

Castries George F. L. Charle

Mon 9/3

15:45-09:55

1 stop14h 10m

£707

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 5/2

13:25-15:15

1 stop29h 50m

Castries George F. L. Charle

Fri 13/2

12:35-05:50

1 stop13h 15m

£770

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sat 7/3

13:25-19:00

1 stop33h 35m

Castries George F. L. Charle

Sat 14/3

15:45-08:30

1 stop12h 45m

£788

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Sat 31/1

20:15-18:25

2 stops26h 10m

Castries George F. L. Charle

Sat 14/2

13:55-19:10

2 stops25h 15m

£789

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Tue 20/1

10:35-19:00

1 stop12h 25m

Castries George F. L. Charle

Tue 10/2

15:45-08:30

1 stop12h 45m

£793

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sat 17/1

14:30-12:05

1 stop25h 35m

Castries George F. L. Charle

Sun 25/1

15:45-09:55

1 stop14h 10m

£805

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 29/1

13:25-12:05

1 stop26h 40m

Castries George F. L. Charle

Thu 5/2

15:45-08:30

1 stop12h 45m

£841

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 28/1

19:25-17:35

2 stops26h 10m

Castries George F. L. Charle

Thu 5/2

12:35-05:30

1 stop12h 55m

£858

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sat 18/4

12:05-19:00

1 stop11h 55m

Castries George F. L. Charle

Sat 25/4

15:45-12:00

1 stop15h 15m

£866

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 36 results
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2
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Best time to book a flight to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries 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 to Castries

How long is the flight to Castries?

On average, a flight from London to Castries takes 12 hours 47 minutes. Flights to Castries from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Castries?

The most popular airline flying from London to Castries is British Airways.

British Airways
British Airways
From £429

What are the cheapest airlines that fly to Castries?

The cheapest airline flying from London to Castries is British Airways.

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 27 November 2025.
Read reviews from past customers who have flown British Airways to Saint Lucia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,539 reviews
Check prices

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Food

6.3

Boarding

6.9

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.
British Airways
6.7
Okay
7,539 reviews
British Airways
6.7
Okay
7,539 reviews
Check prices

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Food

6.3

Boarding

6.9

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.

FAQs about flying to Castries

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

    For a flight 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.

  • Can I find cheaper flights to Castries if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Castries on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Castries?

    Based on reviews from Cheapflights users, British Airways is rated the highest out of the airlines that fly to Castries.

  • What is the cheapest airport to fly to in Castries?

    Castries George F. L. Charle is currently the cheapest airport to fly to in Castries. One-way flights to Castries George F. L. Charle typically cost £118, while return flights cost around £159.

  • How much is a return flight to Castries?

    A return flight to Castries will typically cost around £423, however they can be found for as little as £159.

  • Where does the fastest flight to Castries depart from?

    For those looking to save time traveling to Castries, London offers the quickest one-way flight (11 hours 55 minutes).

  • Does Castries George F. L. Charle have car hire?

    Yes. Those touching down at Castries George F. L. Charle can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Castries George F. L. Charle?

    Yes. Castries George F. L. Charle has hotels nearby for those requiring accommodations. Poinsettia Villa Apartments is the closest property to Castries George F. L. Charle (0.0 mi away from Castries George F. L. Charle).

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

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How does Cheapflights help users find flights to Castries?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Castries. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Castries.

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Certainly. Search results for flights to Castries shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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