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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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
— SLU
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags

Flights to Castries in 2026

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 14 February 2026.

Sun 8/308:00
LHR
-
SLU
1 stop15h 00m
Multiple Airlines
Wed 18/312:35
SLU
-
LHR
1 stop12h 50m
Multiple Airlines
Deal found 13/2£652
Wed 4/308:00
LHR
-
SLU
1 stop32h 05m
Multiple Airlines
Tue 10/316:20
SLU
-
LHR
1 stop13h 15m
Multiple Airlines
Deal found 13/2£671
Tue 3/309:40
LHR
-
SLU
1 stop12h 45m
Multiple Airlines
Tue 17/316:20
SLU
-
LHR
1 stop13h 15m
Multiple Airlines
Deal found 13/2£674
Tue 3/308:00
LHR
-
SLU
1 stop14h 25m
Multiple Airlines
Thu 19/315:45
SLU
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 13/2£688
Sun 20/909:20
LHR
-
SLU
1 stop14h 40m
Multiple Airlines
Sun 27/915:45
SLU
-
LHR
1 stop12h 35m
Multiple Airlines
Deal found 10/2£698
Mon 2/313:20
LHR
-
SLU
1 stop33h 05m
Multiple Airlines
Sat 14/315:45
SLU
-
LHR
1 stop13h 50m
Multiple Airlines
Deal found 10/2£702
Thu 5/313:20
LHR
-
SLU
1 stop26h 45m
Multiple Airlines
Thu 12/315:45
SLU
-
LHR
1 stop13h 50m
Multiple Airlines
Deal found 12/2£714
Wed 25/209:40
LHR
-
SLU
1 stop33h 35m
Multiple Airlines
Wed 11/312:35
SLU
-
LHR
1 stop12h 50m
Multiple Airlines
Deal found 10/2£715
Wed 4/1109:40
LHR
-
SLU
1 stop13h 20m
Multiple Airlines
Wed 18/1115:45
SLU
-
LHR
1 stop14h 10m
Multiple Airlines
Deal found 13/2£718
Thu 16/413:05
LGW
-
SLU
2 stops30h 30m
Multiple Airlines
Mon 20/419:10
SLU
-
LGW
2 stops30h 10m
Multiple Airlines
Deal found 11/2£918
Sat 18/412:40
LGW
-
SLU
2 stops30h 55m
Multiple Airlines
Sun 26/405:00
SLU
-
LGW
2 stops24h 45m
Multiple Airlines
Deal found 13/2£972
Sun 8/311:40
LGW
-
SLU
2 stops31h 55m
Multiple Airlines
Wed 18/310:15
SLU
-
LGW
2 stops19h 30m
Multiple Airlines
Deal found 13/2£1,027

Find flight deals to Castries

Find the latest flights to Castries in 2026, 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 14 February 2026.

Return from

£652

One-way from

£429

Popular in

April

Cheapest in

November

Average price

£674

Good round-trip deal

£605 or less

Good one-way deal

£472 or less
8/3-18/3
  • 8/3-18/3
  • 2 total stops
  • 27h 50m total
  • London to Castries
Search Deals
26/2
  • 26/2
  • 3 total stops
  • 58h 10m total
  • London to Castries
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (£700 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (£117 potential savings vs. average return price).
Search Deals
Average for return flights in February 2026
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 14 February 2026.
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

Sun 8/3

08:00-19:00

1 stop15h 00m

Castries George F. L. Charle

Wed 18/3

12:35-05:25

1 stop12h 50m

£652

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Tue 3/3

09:40-18:25

1 stop12h 45m

Castries George F. L. Charle

Tue 17/3

16:20-09:35

1 stop13h 15m

£677

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Tue 3/3

08:00-18:25

1 stop14h 25m

Castries George F. L. Charle

Thu 19/3

15:45-09:55

1 stop14h 10m

£688

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Thu 5/3

13:20-12:05

1 stop26h 45m

Castries George F. L. Charle

Thu 12/3

15:45-09:35

1 stop13h 50m

£719

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Fri 13/3

13:25-12:05

1 stop26h 40m

Castries George F. L. Charle

Mon 23/3

15:45-08:30

1 stop12h 45m

£756

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sat 30/5

09:20-19:00

1 stop14h 40m

Castries George F. L. Charle

Sun 7/6

15:45-09:20

1 stop12h 35m

£784

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mon 16/3

13:20-19:00

1 stop33h 40m

Castries George F. L. Charle

Fri 20/3

12:35-05:50

1 stop13h 15m

£787

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Sun 21/6

09:20-19:00

1 stop14h 40m

Castries George F. L. Charle

Sun 28/6

15:45-09:20

1 stop12h 35m

£800

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Tue 3/3

10:35-19:00

1 stop12h 25m

Castries George F. L. Charle

Tue 24/3

15:45-08:30

1 stop12h 45m

£816

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 25/2

09:40-19:00

1 stop13h 20m

Castries George F. L. Charle

Wed 11/3

12:35-05:25

1 stop12h 50m

£834

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 29 results
1
2
3

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 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 £464

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 14 February 2026.
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
7,739 reviews
Check prices

Crew

7.6

Entertainment

6.4

Food

6.4

Overall

6.7

Comfort

6.8

Boarding

6.9

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
7,739 reviews
British Airways
6.7
Okay
7,739 reviews
Check prices

Crew

7.6

Entertainment

6.4

Food

6.4

Overall

6.7

Comfort

6.8

Boarding

6.9

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

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 £114, while return flights cost around £250.

  • How much is a return flight to Castries?

    A return flight to Castries will typically cost around £252, however they can be found for as little as £250.

  • 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 (12 hours 45 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. Seaview Apartel 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.

Can Cheapflights notify me if prices for flights to Castries become cheaper?

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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