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

On average, it takes 17h 37m 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 Manchester and into Castries, then the flight time is around 25h 35m.

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

British Airways, WestJet, and Air Canada are the most popular carriers operating from United Kingdom to Saint Lucia

Which airlines fly to Saint Lucia?

British Airways, Virgin Atlantic and Finnair 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 79% of people opting to fly with this airline when travelling to Saint Lucia. Keep in mind that there are 6 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

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 6 operators available for flights from United Kingdom to Saint Lucia as of September 2025.

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.

£405 Cheap Flights from the United Kingdom to Saint Lucia in 2025/26

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Find the cheapest flights from the United Kingdom to Saint Lucia

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Direct

Recent return flight deals from the United Kingdom to Saint Lucia

10:00 - 15:05LGW-UVF

9h 05mdirect

20:35 - 08:50UVF-LGW

8h 15mdirect

£517British Airways

Find Deal

Mon, 9 Mar - Sun, 15 Mar

10:00 - 15:05LGW-UVF

9h 05mdirect

20:50 - 09:05UVF-LGW

8h 15mdirect

£524British Airways

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Fri, 6 Feb - Tue, 24 Mar

08:05 - 14:57LHR-UVF

34h 52m1 stop

17:01 - 21:40UVF-LHR

24h 39m1 stop

£586Icelandair

Find Deal

Mon, 10 Nov - Mon, 24 Nov

08:05 - 14:57LHR-UVF

34h 52m1 stop

17:01 - 21:40UVF-LHR

24h 39m1 stop

£588Icelandair

Find Deal

Mon, 10 Nov - Mon, 24 Nov

08:30 - 14:15LHR-UVF

34h 45m1 stop

16:15 - 08:30UVF-LHR

36h 15m1 stop

£662Air Canada

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Mon, 20 Oct - Mon, 27 Oct

19:25 - 16:25LHR-UVF

49h 00m2 stops

16:15 - 06:30UVF-LHR

34h 15m1 stop

£666Air Canada

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Wed, 4 Mar - Wed, 11 Mar

11:20 - 14:35LGW-UVF

31h 15m2 stops

15:50 - 07:30UVF-LGW

35h 40m2 stops

£688American Airlines

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Tue, 3 Mar - Thu, 12 Mar

12:10 - 13:56LHR-UVF

29h 46m1 stop

16:52 - 06:50UVF-LHR

33h 58m1 stop

£706American Airlines

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Sun, 26 Oct - Tue, 4 Nov

13:30 - 14:26MAN-UVF

28h 56m1 stop

16:41 - 16:35UVF-MAN

19h 54m2 stops

£1,113KLM

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Wed, 29 Oct - Wed, 5 Nov

13:25 - 15:04MAN-UVF

29h 39m1 stop

16:24 - 12:45UVF-MAN

40h 21m2 stops

£1,149KLM

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Fri, 6 Feb - Sat, 14 Feb

British Airways flights from United Kingdom to Saint Lucia

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

British Airways

9 Mar

LGW10:00London Gatwick

9h 05m

UVF15:05Castries Hewanorra

15 Mar

UVF20:35Castries Hewanorra

8h 15m

LGW08:50London Gatwick

£517

Find similar

British Airways

6 Feb

LGW10:00London Gatwick

9h 05m

UVF15:05Castries Hewanorra

24 Mar

UVF20:50Castries Hewanorra

8h 15m

LGW09:05London Gatwick

£524

Find similar

British Airways

9 Mar

LGW10:00London Gatwick

9h 05m

UVF15:05Castries Hewanorra

25 Mar

UVF20:35Castries Hewanorra

8h 15m

LGW08:50London Gatwick

£528

Find similar

American Airlines flights from United Kingdom to Saint Lucia

Our best American Airlines deals on United Kingdom to Saint Lucia flight tickets

American Airlines

3 Mar

LGW11:20London Gatwick

31h 15m

2 stops

UVF14:35Castries Hewanorra

12 Mar

UVF15:50Castries Hewanorra

35h 40m

2 stops

LGW07:30London Gatwick

£688

Find similar

American Airlines

26 Oct

LHR12:10London Heathrow

29h 46m

1 stop

UVF13:56Castries Hewanorra

4 Nov

UVF16:52Castries Hewanorra

33h 58m

1 stop

LHR06:50London Heathrow

£706

Find similar

American Airlines

26 Oct

LHR15:25London Heathrow

26h 15m

2 stops

UVF13:40Castries Hewanorra

4 Nov

UVF16:52Castries Hewanorra

35h 18m

2 stops

LHR08:10London Heathrow

£706

Find similar

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

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 9/3

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Sun 15/3

20:35-08:50

Nonstop8h 15m

£517

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 6/2

10:00-15:05

Nonstop9h 05m

Castries Hewanorra

Tue 24/3

20:50-09:05

Nonstop8h 15m

£524

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 10/11

08:05-14:57

1 stop34h 52m

Castries Hewanorra

Mon 24/11

17:01-21:40

1 stop24h 39m

£586

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 10/11

08:05-14:57

1 stop34h 52m

Castries Hewanorra

Mon 24/11

17:01-21:40

1 stop24h 39m

£588

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 20/10

08:30-14:15

1 stop34h 45m

Castries Hewanorra

Mon 27/10

16:15-08:30

1 stop36h 15m

£662

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 4/3

19:25-16:25

2 stops49h 00m

Castries Hewanorra

Wed 11/3

16:15-06:30

1 stop34h 15m

£666

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 3/3

11:20-14:35

2 stops31h 15m

Castries Hewanorra

Thu 12/3

15:50-07:30

2 stops35h 40m

£688

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Sun 26/10

12:10-13:56

1 stop29h 46m

Castries Hewanorra

Tue 4/11

16:52-06:50

1 stop33h 58m

£706

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Wed 29/10

13:30-14:26

1 stop28h 56m

Castries Hewanorra

Wed 5/11

16:41-16:35

2 stops19h 54m

£1,113

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Fri 6/2

13:25-15:04

1 stop29h 39m

Castries Hewanorra

Sat 14/2

16:24-12:45

2 stops40h 21m

£1,149

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

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 £474. If you don’t want to visit Saint Lucia in September, then you should wait until November to fly from United Kingdom, when ticket prices are also cheap, with an average price of £489.

What is the cheapest day to depart on your flight to Saint Lucia?

The cheapest day to depart on your flight to Saint Lucia is on a Tuesday when prices can be found for as low as £506. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £660.

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?

No. A direct flight is the cheapest option for a flight between United Kingdom to Saint Lucia.

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	£512
Fastest flight time	8h 45m
Direct flights	Every day
Airports in Saint Lucia	1 airport

The best one-way flight to Saint Lucia from United Kingdom in the past 72 hours is £512. The best return flight deal from United Kingdom to Saint Lucia found on momondo in the last 72 hours is £549.

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

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

There is 1 airport near Saint Lucia: Castries Hewanorra (UVF)

Search flight deals

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 6 operators available for flights from United Kingdom to Saint Lucia as of September 2025.
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 97.80% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 0.41%, Airbus A350-1000 at 0.41%, and Airbus A330-300 at 0.41%.

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
TUI Airways	PriceFrom £279	Free Cancellation	Rating 6.2 16 reviews	Search TUI Airways flights
British Airways	PriceFrom £402	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £424	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom £512	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Finnair	PriceFrom £580	Free Cancellation	Rating 7.6 1,323 reviews	Search Finnair flights
KLM	PriceFrom £674	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM 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.

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.

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Popular Cities in Saint Lucia

Flights to Castriesfrom £637

Cheap flights from the United Kingdom to Saint Lucia from £405

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 Saint Lucia departing on 15/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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Price Alerts

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Find the cheapest flights from the United Kingdom to Saint Lucia

Recent return flight deals from the United Kingdom to Saint Lucia

Recent one-way flight deals from the United Kingdom to Saint Lucia

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

Recent direct flight deals from the United Kingdom to Saint Lucia

British Airways flights from United Kingdom to Saint Lucia

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

American Airlines flights from United Kingdom to Saint Lucia

Our best American Airlines 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

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 Saint Lucia?

What is the cheapest day to depart on your flight to Saint Lucia?

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?

No. A direct flight is the cheapest option for a flight between United Kingdom to Saint Lucia.

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

British Airways, WestJet, and Air Canada are the most popular carriers operating from United Kingdom to Saint Lucia

Which airlines fly to Saint Lucia?

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

On average, it takes 17h 37m 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 Manchester and into Castries, then the flight time is around 25h 35m.

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

Fastest flight time

Direct flights

Airports in Saint Lucia

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

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

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

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

What is the most popular plane model from 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?

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

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

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

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

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

Popular flights according to clicks in the last 7 days on momondo