Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to Castries from £421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Castries departing on 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United Kingdom to Castries

Recent return flight deals from the United Kingdom to Castries

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:35 - 19:00LHR-SLU
12h 25m1 stop
Multiple Airlines Logo
12:35 - 05:50SLU-LHR
13h 15m1 stop
£718Multiple Airlines
Find Deal
週三, 11 3月 - 週三, 18 3月
Multiple Airlines Logo
13:20 - 13:10LHR-SLU
27h 50m1 stop
Multiple Airlines Logo
13:55 - 09:55SLU-LHR
16h 00m1 stop
£739Multiple Airlines
Find Deal
週四, 12 3月 - 週五, 20 3月
Multiple Airlines Logo
13:25 - 15:15LHR-SLU
29h 50m1 stop
Multiple Airlines Logo
15:45 - 08:30SLU-LHR
12h 45m1 stop
£744Multiple Airlines
Find Deal
週二, 3 2月 - 週二, 17 2月
Multiple Airlines Logo
14:30 - 11:25LHR-SLU
24h 55m1 stop
Multiple Airlines Logo
12:10 - 09:55SLU-LHR
17h 45m1 stop
£763Multiple Airlines
Find Deal
週六, 24 1月 - 週日, 1 2月
Multiple Airlines Logo
13:25 - 12:05LHR-SLU
26h 40m1 stop
Multiple Airlines Logo
12:35 - 05:50SLU-LHR
13h 15m1 stop
£766Multiple Airlines
Find Deal
週五, 23 1月 - 週一, 2 2月
Multiple Airlines Logo
13:20 - 19:00LHR-SLU
33h 40m1 stop
Multiple Airlines Logo
15:45 - 08:30SLU-LHR
12h 45m1 stop
£767Multiple Airlines
Find Deal
週日, 18 1月 - 週五, 30 1月
Multiple Airlines Logo
09:40 - 17:30LHR-SLU
11h 50m1 stop
Multiple Airlines Logo
15:20 - 09:55SLU-LHR
14h 35m1 stop
£769Multiple Airlines
Find Deal
週一, 23 2月 - 週四, 5 3月
Multiple Airlines Logo
08:00 - 11:25LHR-SLU
31h 25m1 stop
Multiple Airlines Logo
12:10 - 05:25SLU-LHR
13h 15m1 stop
£778Multiple Airlines
Find Deal
週六, 22 11月 - 週日, 30 11月
Multiple Airlines Logo
10:35 - 19:00LHR-SLU
12h 25m1 stop
Multiple Airlines Logo
15:45 - 08:30SLU-LHR
12h 45m1 stop
£782Multiple Airlines
Find Deal
週二, 9 12月 - 週四, 22 1月
Multiple Airlines Logo
13:20 - 19:00LHR-SLU
33h 40m1 stop
Multiple Airlines Logo
15:45 - 08:30SLU-LHR
12h 45m1 stop
£786Multiple Airlines
Find Deal
週日, 18 1月 - 週六, 24 1月

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 24 10月 2025.
Use the filters below to find and compare flights from the United Kingdom to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週三 11/3

10:35-19:00

1 stop12h 25m

Castries George F. L. Charle

週三 18/3

12:35-05:50

1 stop13h 15m

£718

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週四 12/3

13:20-13:10

1 stop27h 50m

Castries George F. L. Charle

週五 20/3

13:55-09:55

1 stop16h 00m

£739

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週二 3/2

13:25-15:15

1 stop29h 50m

Castries George F. L. Charle

週二 17/2

15:45-08:30

1 stop12h 45m

£744

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週六 24/1

14:30-11:25

1 stop24h 55m

Castries George F. L. Charle

週日 1/2

12:10-09:55

1 stop17h 45m

£763

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週五 23/1

13:25-12:05

1 stop26h 40m

Castries George F. L. Charle

週一 2/2

12:35-05:50

1 stop13h 15m

£766

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週日 18/1

13:20-19:00

1 stop33h 40m

Castries George F. L. Charle

週五 30/1

15:45-08:30

1 stop12h 45m

£767

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週一 23/2

09:40-17:30

1 stop11h 50m

Castries George F. L. Charle

週四 5/3

15:20-09:55

1 stop14h 35m

£769

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週六 22/11

08:00-11:25

1 stop31h 25m

Castries George F. L. Charle

週日 30/11

12:10-05:25

1 stop13h 15m

£778

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週二 9/12

10:35-19:00

1 stop12h 25m

Castries George F. L. Charle

週四 22/1

15:45-08:30

1 stop12h 45m

£782

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

週日 18/1

13:20-19:00

1 stop33h 40m

Castries George F. L. Charle

週六 24/1

15:45-08:30

1 stop12h 45m

£786

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Castries from

How to get the cheapest flight ticket from United Kingdom to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Castries?

The month of November is, on average, the cheapest month to fly to Castries from United Kingdom, with most prices found around £498. If you’re not able to fly to Castries in November, then March is your next best option. Flight prices from United Kingdom to Castries during March average around £504.

What is the cheapest day to depart on your flight to Castries?

Our data shows that Sunday is the least expensive day to fly to Castries. Tickets to fly out on this day can be as low as £514. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Castries on Saturday is £665.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the morning. momondo users have found flights departing from United Kingdom to Castries in the morning for as low as £586. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Castries, so prices are often more expensive at around £830 per ticket.

Cheap United Kingdom to Castries flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Castries

Direct flights

None
There are no direct flights from United Kingdom to Castries. There are no popular flight routes from United Kingdom to Castries.
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Castries George F. L. Charle Airport?

    Prices for flights from United Kingdom to Castries George F. L. Charle Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United Kingdom to Castries George F. L. Charle Airport?

  • How old do you have to be to fly from United Kingdom to Castries George F. L. Charle Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Castries George F. L. Charle Airport.

  • What documentation or ID do you need to fly to Castries George F. L. Charle Airport?

    The travel and health documents required for your trip to Castries George F. L. Charle Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Castries George F. L. Charle Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from United Kingdom to Castries

Compare and see reviews for airlines that fly from United Kingdom to Castries with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £428Free CancellationRating
6.7
7,468 reviews
Search British Airways flights

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Rodney Bay
Marigot Bay

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Castries?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United Kingdom to Castries . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United Kingdom to Castries with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Castries from United Kingdom with this policy.

How can momondo help me find flights from United Kingdom to Castries?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Castries.

I’m not ready to book a flight from United Kingdom to Castries right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United Kingdom to Castries flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Castries trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
週日 23/11
週日 30/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries Hewanorra Airport