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£429+ 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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
— SLU
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Castries

Enter your travel dates to find the best prices.

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 21 November 2025.

Thu 11/1213:20LHR - SLU
1 stop27h 50mMultiple Airlines
Tue 16/1207:30SLU - LHR
1 stop22h 25mMultiple Airlines
Deal found 19/11£800
Wed 3/1208:00LHR - SLU
1 stop32h 05mMultiple Airlines
Tue 9/1207:30SLU - LHR
1 stop22h 25mMultiple Airlines
Deal found 19/11£814
Thu 27/1113:20LHR - SLU
1 stop27h 50mMultiple Airlines
Tue 2/1207:30SLU - LHR
1 stop22h 05mMultiple Airlines
Deal found 20/11£839
Thu 27/1113:20LHR - SLU
2 stops29h 55mMultiple Airlines
Thu 4/1218:20SLU - LHR
2 stops35h 35mMultiple Airlines
Deal found 19/11£884
Sun 7/1208:00LHR - SLU
1 stop15h 00mMultiple Airlines
Mon 8/1215:45SLU - LHR
1 stop14h 10mMultiple Airlines
Deal found 20/11£907
Fri 21/1118:00LHR - SLU
3 stops32h 10mMultiple Airlines
Fri 28/1115:45SLU - LHR
3 stops35h 25mMultiple Airlines
Deal found 18/11£907
Tue 25/1113:25LHR - SLU
3 stops33h 35mMultiple Airlines
Tue 2/1207:30SLU - LHR
3 stops33h 05mMultiple Airlines
Deal found 19/11£917
Fri 28/1118:00LHR - SLU
2 stops29h 00mMultiple Airlines
Fri 5/1209:10SLU - LHR
2 stops22h 10mMultiple Airlines
Deal found 19/11£919
Wed 26/1110:40LGW - SLU
3 stops30h 30mMultiple Airlines
Fri 5/1212:15SLU - LGW
3 stops23h 30mMultiple Airlines
Deal found 19/11£955
Thu 27/1110:40LGW - SLU
3 stops32h 35mMultiple Airlines
Thu 4/1218:20SLU - LGW
2 stops31h 40mMultiple Airlines
Deal found 19/11£992
Sun 23/1111:40LGW - SLU
2 stops31h 55mMultiple Airlines
Fri 28/1119:10SLU - LGW
2 stops34h 35mMultiple Airlines
Deal found 20/11£1,195
Sun 14/1209:05LGW - SLU
3 stops34h 30mMultiple Airlines
Thu 25/1213:55SLU - LGW
3 stops22h 30mMultiple Airlines
Deal found 19/11£1,236

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 21 November 2025.

Return from

£692

One-way from

£429

Popular in

April

Cheapest in

November

Average price

£508

Good round-trip deal

£680 or less

Good one-way deal

£591 or less
2/2-10/2
  • 2/2-10/2
  • 2 total stops
  • 33h 55m total
  • London to Castries
Search Deals
28/1
  • 28/1
  • 2 total stops
  • 28h 10m 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 (£71 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 21 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

Mon 2/2

09:40-17:30

1 stop11h 50m

Castries George F. L. Charle

Tue 10/2

07:30-09:35

1 stop22h 05m

£692

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

£718

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

£718

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 5/3

13:20-13:10

1 stop27h 50m

Castries George F. L. Charle

Tue 10/3

07:30-09:35

1 stop22h 05m

£735

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 28/1

08:00-19:00

1 stop15h 00m

Castries George F. L. Charle

Mon 2/2

15:45-09:55

1 stop14h 10m

£745

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 21/1

13:25-12:05

1 stop26h 40m

Castries George F. L. Charle

Wed 28/1

12:35-05:50

1 stop13h 15m

£767

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Fri 1/5

12:05-19:00

1 stop11h 55m

Castries George F. L. Charle

Thu 7/5

15:20-12:00

1 stop15h 40m

£767

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sun 25/1

08:00-19:00

1 stop15h 00m

Castries George F. L. Charle

Mon 2/3

15:45-09:55

1 stop14h 10m

£771

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mon 2/2

09:40-17:30

1 stop11h 50m

Castries George F. L. Charle

Wed 11/2

15:45-09:55

1 stop14h 10m

£776

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 28/1

13:00-13:10

2 stops28h 10m

Castries George F. L. Charle

Mon 2/2

16:20-06:00

2 stops33h 40m

£790

Flights are sorted by cheapest return flights first.

Deals found on 19/11

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 17 hours 50 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 £433

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 21 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
7,533 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Crew

7.6

Overall

6.7

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
7,533 reviews
British Airways
6.7
Okay
7,533 reviews
Check prices

Boarding

6.9

Entertainment

6.4

Crew

7.6

Overall

6.7

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 £161.

  • How much is a return flight to Castries?

    A return flight to Castries will typically cost around £428, however they can be found for as little as £161.

  • 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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