What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airlines fly to Saint Lucia?

British Airways, American Airlines and Air Canada are the top three most popular airlines that fly to Saint Lucia from United Kingdom according to our data. British Airways is the first choice among our users, with 95% of people opting to fly with this airline when travelling to Saint Lucia. Keep in mind that there are 3 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

Which airline has the best punctuality record on the United Kingdom to Saint Lucia flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

How many flights depart from United Kingdom to Saint Lucia on average per week?

6 flights are operational weekly from United Kingdom to Saint Lucia as of September 2026. The most popular departure day for this route is Fri, with 33% of flights per week taking off on this day.

What is the most punctual flight time for the United Kingdom to Saint Lucia flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from United Kingdom to Saint Lucia?

JetBlue is the most popular carrier operating from United Kingdom to Saint Lucia

How long is the flight from United Kingdom to Saint Lucia?

On average, it takes 16h 41m to fly from United Kingdom to Saint Lucia if you fly out of London (the most popular airport in United Kingdom) and into Castries (the most popular airport in Saint Lucia). If you’re flying out of Birmingham and into Castries, then the flight time is around 27h 58m.

When did momondo last update prices for flights from United Kingdom to Saint Lucia?

Prices for flights from United Kingdom to Saint Lucia refresh daily.

How many operators does momondo search for flights from United Kingdom to Saint Lucia?

There are 3 operators available for flights from United Kingdom to Saint Lucia as of September 2026.

How old do you have to be to fly from United Kingdom to Saint Lucia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United Kingdom to Saint Lucia.

What documentation or ID do you need to fly to Saint Lucia?

The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£353 Cheap Flights from the United Kingdom to Saint Lucia in 2026/27

Q: How often are flights from the United Kingdom to Saint Lucia delayed?

Historically, on average around 23% of flights between United Kingdom and Saint Lucia have experienced a delay on any given week. The average delay length over the past 12 months has been 128 minutes.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United Kingdom to Saint Lucia

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One-way

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Direct

Recent return flight deals from the United Kingdom to Saint Lucia

Enter your travel dates to find the best prices.

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

£449British Airways

Sat, 14 Nov - Sat, 21 Nov

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

£449British Airways

Thu, 29 Oct - Wed, 11 Nov

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

£449British Airways

Tue, 17 Nov - Tue, 24 Nov

10:50 - 14:12LHR London Heathrow-UVF Castries Hewanorra

31h 22m1 stop Atlanta Hartsfield-Jackson

16:25 - 06:25UVF Castries Hewanorra-LHR London Heathrow

34h 00m1 stop Atlanta Hartsfield-Jackson

£548KLM

Thu, 29 Oct - Wed, 11 Nov

10:50 - 14:12LHR London Heathrow-UVF Castries Hewanorra

31h 22m1 stop Atlanta Hartsfield-Jackson

16:25 - 06:25UVF Castries Hewanorra-LHR London Heathrow

34h 00m1 stop Atlanta Hartsfield-Jackson

£548Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

10:05 - 19:00LGW London Gatwick-SLU Castries George F. L. Charle

12h 55m1 stop Bridgetown Grantley Adams Intl

15:45 - 09:05SLU Castries George F. L. Charle-LGW London Gatwick

13h 20m1 stop Bridgetown Grantley Adams Intl

£581Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

14:30 - 15:04LGW London Gatwick-UVF Castries Hewanorra

53h 34m2 stops Orlando Miami

14:42 - 10:40UVF Castries Hewanorra-LGW London Gatwick

38h 58m2 stops Miami Orlando

£653American Airlines

Tue, 13 Oct - Wed, 21 Oct

11:15 - 15:41LGW London Gatwick-UVF Castries Hewanorra

32h 26m2 stops Orlando Miami

16:41 - 07:30UVF Castries Hewanorra-LGW London Gatwick

34h 49m2 stops Miami Orlando

£653American Airlines

Wed, 2 Dec - Wed, 9 Dec

11:10 - 16:40LHR London Heathrow-UVF Castries Hewanorra

57h 30m2 stops Ottawa Toronto Pearson Intl

17:35 - 08:30UVF Castries Hewanorra-LHR London Heathrow

34h 55m1 stop Toronto Pearson Intl

£672Air Canada

Mon, 7 Dec - Mon, 14 Dec

15:00 - 16:40LHR London Heathrow-UVF Castries Hewanorra

29h 40m1 stop Toronto Pearson Intl

17:35 - 06:30UVF Castries Hewanorra-LHR London Heathrow

32h 55m1 stop Toronto Pearson Intl

£678Air Canada

Wed, 27 Jan - Sun, 31 Jan

Recent last minute flight deals from the United Kingdom to Saint Lucia

Enter your travel dates to find the best prices.

11:15 - 15:00LGW London Gatwick-UVF Castries Hewanorra

8h 45mdirect

22:05 - 11:25UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

£514British Airways

Sat, 26 Sep - Mon, 19 Oct

11:15 - 15:00LGW London Gatwick-UVF Castries Hewanorra

8h 45mdirect

20:30 - 09:50UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

£514British Airways

Sat, 26 Sep - Sat, 3 Oct

11:15 - 15:00LGW London Gatwick-UVF Castries Hewanorra

8h 45mdirect

22:05 - 11:25UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

£530British Airways

Thu, 24 Sep - Thu, 1 Oct

11:15 - 14:12LHR London Heathrow-UVF Castries Hewanorra

31h 57m1 stop Atlanta Hartsfield-Jackson

15:32 - 06:45UVF Castries Hewanorra-LHR London Heathrow

34h 13m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

£714Multiple Airlines

Thu, 24 Sep - Wed, 30 Sep

11:15 - 14:12LHR London Heathrow-UVF Castries Hewanorra

31h 57m1 stop Atlanta Hartsfield-Jackson

15:32 - 13:15UVF Castries Hewanorra-LHR London Heathrow

16h 43m1 stop Atlanta Hartsfield-Jackson

£749KLM

Thu, 24 Sep - Thu, 1 Oct

11:15 - 14:12LHR London Heathrow-UVF Castries Hewanorra

31h 57m1 stop Atlanta Hartsfield-Jackson

15:32 - 07:15UVF Castries Hewanorra-LHR London Heathrow

34h 43m1 stop Atlanta Hartsfield-Jackson

£751Multiple Airlines

Thu, 24 Sep - Wed, 30 Sep

09:35 - 12:05LHR London Heathrow-SLU Castries George F. L. Charle

31h 30m1 stop Bridgetown Grantley Adams Intl

15:45 - 09:20SLU Castries George F. L. Charle-LHR London Heathrow

12h 35m1 stop Bridgetown Grantley Adams Intl

£847Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

16:35 - 14:02LHR London Heathrow-UVF Castries Hewanorra

26h 27m2 stops New York John F Kennedy Intl Miami

16:04 - 21:40UVF Castries Hewanorra-LHR London Heathrow

24h 36m2 stops Miami New York John F Kennedy Intl

£1,032American Airlines

Sat, 26 Sep - Wed, 7 Oct

16:35 - 14:02LHR London Heathrow-UVF Castries Hewanorra

26h 27m2 stops New York John F Kennedy Intl Miami

16:04 - 21:40UVF Castries Hewanorra-LHR London Heathrow

24h 36m2 stops Miami New York John F Kennedy Intl

£1,034American Airlines

Sat, 26 Sep - Wed, 7 Oct

14:30 - 14:02LGW London Gatwick-UVF Castries Hewanorra

28h 32m2 stops Orlando Miami

15:02 - 06:55UVF Castries Hewanorra-LGW London Gatwick

34h 53m2 stops Miami Orlando

£1,094American Airlines

Sat, 26 Sep - Sat, 3 Oct

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British Airways flights from United Kingdom to Saint Lucia

Our best British Airways deals on United Kingdom to Saint Lucia flight tickets

British Airways

29 Oct

LGW12:30London Gatwick

9h 05m

UVF17:35Castries Hewanorra

11 Nov

UVF19:20Castries Hewanorra

8h 15m

LGW07:35London Gatwick

£449

British Airways

7 Nov

LGW12:30London Gatwick

9h 05m

UVF17:35Castries Hewanorra

14 Nov

UVF19:20Castries Hewanorra

8h 15m

LGW07:35London Gatwick

£450

British Airways

7 Nov

LGW12:30London Gatwick

9h 05m

UVF17:35Castries Hewanorra

16 Nov

UVF19:05Castries Hewanorra

8h 15m

LGW07:20London Gatwick

£451

KLM flights from United Kingdom to Saint Lucia

Our best KLM deals on United Kingdom to Saint Lucia flight tickets

KLM

29 Oct

LHR10:50London Heathrow

31h 22m

1 stop

UVF14:12Castries Hewanorra

11 Nov

UVF16:25Castries Hewanorra

34h 00m

1 stop

LHR06:25London Heathrow

£548

KLM

24 Sept

LHR11:15London Heathrow

31h 57m

1 stop

UVF14:12Castries Hewanorra

1 Oct

UVF15:32Castries Hewanorra

16h 43m

1 stop

LHR13:15London Heathrow

£749

KLM

2 Oct

LHR13:25London Heathrow

29h 47m

1 stop

UVF14:12Castries Hewanorra

10 Oct

UVF15:32Castries Hewanorra

34h 43m

1 stop

LHR07:15London Heathrow

£849

momondo Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Sat 14/11

12:30-17:35

Nonstop9h 05m

Castries Hewanorra

Sat 21/11

19:20-07:35

Nonstop8h 15m

£449

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Thu 29/10

12:30-17:35

Nonstop9h 05m

Castries Hewanorra

Wed 11/11

19:20-07:35

Nonstop8h 15m

£449

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Tue 17/11

12:30-17:35

Nonstop9h 05m

Castries Hewanorra

Tue 24/11

19:20-07:35

Nonstop8h 15m

£449

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 29/10

10:50-14:12

1 stop31h 22m

Castries Hewanorra

Wed 11/11

16:25-06:25

1 stop34h 00m

£548

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Thu 29/10

10:50-14:12

1 stop31h 22m

Castries Hewanorra

Wed 11/11

16:25-06:25

1 stop34h 00m

£548

LondonCastries

LGW London Gatwick - SLU Castries George F. L. Charle

LGWSLU

London Gatwick

Thu 29/10

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Wed 11/11

15:45-09:05

1 stop13h 20m

£581

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Tue 13/10

14:30-15:04

2 stops53h 34m

Castries Hewanorra

Wed 21/10

14:42-10:40

2 stops38h 58m

£653

LondonCastries

LGW London Gatwick - UVF Castries Hewanorra

LGWUVF

London Gatwick

Wed 2/12

11:15-15:41

2 stops32h 26m

Castries Hewanorra

Wed 9/12

16:41-07:30

2 stops34h 49m

£653

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Mon 7/12

11:10-16:40

2 stops57h 30m

Castries Hewanorra

Mon 14/12

17:35-08:30

1 stop34h 55m

£672

LondonCastries

LHR London Heathrow - UVF Castries Hewanorra

LHRUVF

London Heathrow

Wed 27/1

15:00-16:40

1 stop29h 40m

Castries Hewanorra

Sun 31/1

17:35-06:30

1 stop32h 55m

£678

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United Kingdom to Saint Lucia

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Saint Lucia?

The month of September is, on average, the cheapest month to fly to Saint Lucia from United Kingdom, with most prices found around £550. If you don’t want to visit Saint Lucia in September, then you should wait until October to fly from United Kingdom, when ticket prices are also cheap, with an average price of £602.

What is the cheapest United Kingdom to Saint Lucia flight route?

Fly from London Gatwick to Castries Hewanorra for the best United Kingdom - Saint Lucia flight prices

What cabin class options are available on United Kingdom to Saint Lucia flights?

There are 3 cabin classes available to choose from on United Kingdom to Saint Lucia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United Kingdom to Saint Lucia flights?

You could potentially save up to 24% on your flight if you consider stops on a United Kingdom to Saint Lucia flight.

Cheap United Kingdom to Saint Lucia flight deals and tips

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

Best price found	£353
Fastest flight time	8h 45m
Direct flights	Every day
Airports in Saint Lucia	7 airports

The best one-way flight to Saint Lucia from United Kingdom in the past 72 hours is £353. The best return flight deal from United Kingdom to Saint Lucia found on momondo in the last 72 hours is £449.

The fastest flight from United Kingdom to Saint Lucia takes 8h 45m

Direct flights go from United Kingdom to Saint Lucia every day.

There are 7 airports in Saint Lucia. From United Kingdom there are direct flights to Castries Hewanorra (UVF).

Search flight deals

Frequently asked questions about flying from the United Kingdom to Saint Lucia

When did momondo last update prices for flights from United Kingdom to Saint Lucia?
Prices for flights from United Kingdom to Saint Lucia refresh daily.
How many operators does momondo search for flights from United Kingdom to Saint Lucia?
There are 3 operators available for flights from United Kingdom to Saint Lucia as of September 2026.
How old do you have to be to fly from United Kingdom to Saint Lucia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United Kingdom to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The required travel and health documents for your Saint Lucia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Lucia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from United Kingdom to Saint Lucia?
momondo data reveals that the most frequently booked plane model on the route from United Kingdom to Saint Lucia is Boeing 777, representing 96.53% of all bookings. The subsequent popular models are Airbus A330-300 at 2.08%, Airbus A330-900neo at 0.87%, and Airbus A350-900 at 0.52%.

Best airlines flying from United Kingdom to Saint Lucia

Compare and see reviews for airlines that fly from United Kingdom to Saint Lucia with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £502	Free Cancellation	Rating 6.7 8,225 reviews	Search British Airways flights
American Airlines	PriceFrom £572	Free Cancellation	Rating 7.0 12,073 reviews	Search American Airlines flights
Air Canada	PriceFrom £661	Free Cancellation	Rating 7.1 11,657 reviews	Search Air Canada flights

Why use momondo?

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

It is quick and easy to find United Kingdom to Saint Lucia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Lucia that suits you.

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

Flights from United Kingdom to Saint Lucia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint Lucia from United Kingdom.

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

Yes. momondo can track prices for United Kingdom to Saint Lucia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Flights to Castriesfrom £584

Cheap flights from the United Kingdom to Saint Lucia from £353

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British Airways flights from United Kingdom to Saint Lucia

Our best British Airways deals on United Kingdom to Saint Lucia flight tickets

KLM flights from United Kingdom to Saint Lucia

Our best KLM deals on United Kingdom to Saint Lucia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Saint Lucia that are best for you.

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from United Kingdom to Saint Lucia

What is the cheapest month to fly to Saint Lucia?

What is the cheapest United Kingdom to Saint Lucia flight route?

What cabin class options are available on United Kingdom to Saint Lucia flights?

Can stopping save me money on United Kingdom to Saint Lucia flights?

What is the cheapest airline that flies from United Kingdom to Saint Lucia?

Which airlines fly to Saint Lucia?

How often are flights from the United Kingdom to Saint Lucia delayed?

What is the most punctual flight time for the United Kingdom to Saint Lucia flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on the United Kingdom to Saint Lucia flights?

How many flights depart from United Kingdom to Saint Lucia on average per week?

How long is the flight from United Kingdom to Saint Lucia?

Cheap United Kingdom to Saint Lucia flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in Saint Lucia

Frequently asked questions about flying from the United Kingdom to Saint Lucia

Best airlines flying from United Kingdom to Saint Lucia

Compare and see reviews for airlines that fly from United Kingdom to Saint Lucia with momondo

Why use momondo?

An easier way to manage your Saint Lucia 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Saint Lucia

Popular Cities in Saint Lucia

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United Kingdom flight routes

According to popular flight searches on momondo this year

Saint Lucia flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Saint Lucia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Lucia

List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

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