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£432+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
— SLU
7 Dec — 14 Dec1
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 7 November 2025.

Wed 19/1118:00LHR - SLU
2 stops29h 00mMultiple Airlines
Wed 26/1110:15SLU - LHR
3 stops21h 05mMultiple Airlines
Deal found 7/11£901
Wed 12/1113:00LHR - SLU
2 stops34h 00mMultiple Airlines
Wed 26/1109:10SLU - LHR
2 stops22h 10mMultiple Airlines
Deal found 6/11£923
Fri 21/1118:00LHR - SLU
3 stops32h 10mMultiple Airlines
Sat 6/1212:35SLU - LHR
2 stops18h 45mMultiple Airlines
Deal found 4/11£926
Mon 10/1111:10LHR - SLU
2 stops35h 50mMultiple Airlines
Mon 24/1112:35SLU - LHR
2 stops18h 45mMultiple Airlines
Deal found 5/11£938
Wed 26/1111:55LGW - SLU
3 stops29h 15mMultiple Airlines
Sun 30/1119:10SLU - LGW
3 stops35h 45mMultiple Airlines
Deal found 6/11£954
Tue 2/1213:25LHR - SLU
1 stop29h 50mMultiple Airlines
Thu 11/1212:35SLU - LHR
1 stop13h 15mMultiple Airlines
Deal found 5/11£956
Wed 26/1112:15LHR - SLU
3 stops28h 55mMultiple Airlines
Sun 30/1119:10SLU - LHR
3 stops35h 40mMultiple Airlines
Deal found 6/11£957
Tue 11/1118:00LHR - SLU
2 stops29h 00mMultiple Airlines
Tue 25/1107:30SLU - LHR
2 stops23h 50mMultiple Airlines
Deal found 6/11£959
Tue 11/1111:40LGW - SLU
2 stops25h 50mMultiple Airlines
Fri 14/1119:10SLU - LGW
2 stops34h 35mMultiple Airlines
Deal found 5/11£965
Tue 11/1111:40LGW - SLU
2 stops25h 50mMultiple Airlines
Sun 16/1119:10SLU - LGW
2 stops34h 35mMultiple Airlines
Deal found 6/11£1,026
Mon 10/1106:30LGW - SLU
3 stops40h 30mMultiple Airlines
Mon 24/1116:20SLU - LGW
2 stops33h 40mMultiple Airlines
Deal found 5/11£1,048
Sat 22/1111:40LGW - SLU
2 stops31h 35mMultiple Airlines
Mon 8/1216:20SLU - LGW
2 stops33h 40mMultiple Airlines
Deal found 6/11£1,065

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 7 November 2025.

Return from

£709

One-way from

£432

Popular in

April

Cheapest in

November

Average price

£507

Good round-trip deal

£679 or less

Good one-way deal

£590 or less
16/3-22/3
  • 16/3-22/3
  • 2 total stops
  • 29h 35m total
  • London to Castries
Search Deals
2/3
  • 2/3
  • 3 total stops
  • 48h 40m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£141 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (£74 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 7 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 21/1

13:25-19:00

1 stop33h 35m

Castries George F. L. Charle

Wed 28/1

12:35-05:50

1 stop13h 15m

£739

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 25/2

13:25-15:15

1 stop29h 50m

Castries George F. L. Charle

Wed 11/3

15:45-08:30

1 stop12h 45m

£742

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 8/1

13:20-13:10

1 stop27h 50m

Castries George F. L. Charle

Thu 22/1

15:20-09:35

1 stop14h 15m

£764

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mon 12/1

09:40-17:30

1 stop11h 50m

Castries George F. L. Charle

Fri 23/1

13:55-05:25

1 stop11h 30m

£766

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 5/2

13:25-15:15

1 stop29h 50m

Castries George F. L. Charle

Sat 14/2

15:45-08:30

1 stop12h 45m

£807

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 14/1

13:00-13:10

2 stops28h 10m

Castries George F. L. Charle

Thu 22/1

18:20-06:00

2 stops31h 40m

£825

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Tue 13/1

13:25-15:15

1 stop29h 50m

Castries George F. L. Charle

Wed 28/1

15:45-08:30

1 stop12h 45m

£861

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 8/1

13:20-13:10

1 stop27h 50m

Castries George F. L. Charle

Sun 3/5

12:10-12:00

1 stop18h 50m

£862

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sun 1/2

11:10-17:30

2 stops34h 20m

Castries George F. L. Charle

Sun 8/2

12:10-11:20

2 stops19h 10m

£895

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 19/11

18:00-19:00

2 stops29h 00m

Castries George F. L. Charle

Wed 26/11

10:15-11:20

3 stops21h 05m

£901

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 33 results
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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 20 hours 0 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 £432

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 7 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
7,500 reviews
Check prices

Crew

7.6

Entertainment

6.4

Overall

6.7

Boarding

6.9

Comfort

6.7

Food

6.3

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,500 reviews
British Airways
6.7
Okay
7,500 reviews
Check prices

Crew

7.6

Entertainment

6.4

Overall

6.7

Boarding

6.9

Comfort

6.7

Food

6.3

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 £119, while return flights cost around £160.

  • How much is a return flight to Castries?

    A return flight to Castries will typically cost around £427, however they can be found for as little as £160.

  • 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 50 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.

Why should you use Cheapflights to find cheap flight tickets to Castries?

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.

Can Cheapflights find flights to Castries with no change fees?

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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Yes! Start tracking prices for Castries flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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