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

On average, it takes 19h 24m 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 Edinburgh and into Castries, then the flight time is around 31h 54m.

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

7 flights are operational weekly from United Kingdom to Saint Lucia as of November 2025. The most popular departure day for this route is Mon, with 29% of flights per week taking off on this day.

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

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

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

As of November 2025, 1 flights take off from United Kingdom and land in Saint Lucia each day. The most common flight departure time for this route is 10:00, with 100% of daily flights taking off at midday.

Which airlines fly to Saint Lucia?

British Airways, Finnair and Virgin Atlantic 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 80% 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 November 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.

£412 Cheap Flights from the United Kingdom to Saint Lucia in 2025/26

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Recent return flight deals from the United Kingdom to Saint Lucia

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09:20 - 15:15LHR-UVF

33h 55m2 stops

16:40 - 06:55UVF-LHR

34h 15m2 stops

£594Icelandair

Find Deal

Mon, 26 Jan - Sun, 1 Feb

11:15 - 15:05LGW-UVF

8h 50mdirect

22:05 - 11:25UVF-LGW

8h 20mdirect

£594British Airways

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Mon, 27 Apr - Mon, 25 May

13:45 - 16:25LHR-UVF

54h 40m2 stops

17:15 - 11:20UVF-LHR

14h 05m1 stop

£624Air Canada

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Wed, 14 Jan - Wed, 28 Jan

13:45 - 16:20LHR-UVF

54h 35m2 stops

17:15 - 11:20UVF-LHR

14h 05m1 stop

£644Air Canada

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Mon, 23 Feb - Fri, 6 Mar

11:20 - 16:02LGW-UVF

32h 42m2 stops

15:50 - 06:45UVF-LGW

33h 55m2 stops

£686American Airlines

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Fri, 6 Mar - Tue, 31 Mar

12:30 - 13:46LGW-UVF

29h 16m2 stops

17:02 - 09:00UVF-LGW

35h 58m2 stops

£693American Airlines

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Sat, 31 Jan - Sun, 15 Feb

12:20 - 15:15LHR-UVF

30h 55m1 stop

16:40 - 21:40UVF-LHR

25h 00m1 stop

£693JetBlue

Find Deal

Wed, 14 Jan - Wed, 28 Jan

08:05 - 14:57LHR-UVF

34h 52m1 stop

17:01 - 21:40UVF-LHR

24h 39m1 stop

£700JetBlue

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Mon, 17 Nov - Tue, 25 Nov

09:20 - 15:05LCY-UVF

33h 45m2 stops

16:25 - 13:15UVF-LCY

40h 50m2 stops

£1,223KLM

Find Deal

Thu, 29 Jan - Fri, 6 Feb

10:00 - 14:04LCY-UVF

33h 04m2 stops

15:20 - 07:15UVF-LCY

34h 55m2 stops

£1,250KLM

Find Deal

Wed, 1 Apr - Wed, 15 Apr

British Airways flights from United Kingdom to Saint Lucia

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

British Airways

27 Apr

LGW11:15London Gatwick

8h 50m

UVF15:05Castries Hewanorra

25 May

UVF22:05Castries Hewanorra

8h 20m

LGW11:25London Gatwick

£594

Find similar

British Airways

1 Mar

LGW10:05London Gatwick

9h 05m

UVF15:10Castries Hewanorra

5 May

UVF20:30Castries Hewanorra

8h 20m

LGW09:50London Gatwick

£594

Find similar

British Airways

14 Apr

LGW11:15London Gatwick

8h 50m

UVF15:05Castries Hewanorra

24 Apr

UVF20:50Castries Hewanorra

8h 20m

LGW10:10London Gatwick

£595

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American Airlines flights from United Kingdom to Saint Lucia

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

American Airlines

6 Mar

LGW11:20London Gatwick

32h 42m

2 stops

UVF16:02Castries Hewanorra

31 Mar

UVF15:50Castries Hewanorra

33h 55m

2 stops

LGW06:45London Gatwick

£686

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American Airlines

31 Jan

LGW12:30London Gatwick

29h 16m

2 stops

UVF13:46Castries Hewanorra

15 Feb

UVF17:02Castries Hewanorra

35h 58m

2 stops

LGW09:00London Gatwick

£693

Find similar

American Airlines

16 Feb

LGW12:30London Gatwick

31h 32m

2 stops

UVF16:02Castries Hewanorra

26 Feb

UVF17:02Castries Hewanorra

34h 28m

2 stops

LGW07:30London Gatwick

£701

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momondo Fare Finder

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

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Route

Depart

Return

Price

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 26/1

09:20-15:15

2 stops33h 55m

Castries Hewanorra

Sun 1/2

16:40-06:55

2 stops34h 15m

£594

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 27/4

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Mon 25/5

22:05-11:25

Nonstop8h 20m

£594

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 14/1

13:45-16:25

2 stops54h 40m

Castries Hewanorra

Wed 28/1

17:15-11:20

1 stop14h 05m

£624

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 23/2

13:45-16:20

2 stops54h 35m

Castries Hewanorra

Fri 6/3

17:15-11:20

1 stop14h 05m

£644

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 6/3

11:20-16:02

2 stops32h 42m

Castries Hewanorra

Tue 31/3

15:50-06:45

2 stops33h 55m

£686

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 31/1

12:30-13:46

2 stops29h 16m

Castries Hewanorra

Sun 15/2

17:02-09:00

2 stops35h 58m

£693

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 14/1

12:20-15:15

1 stop30h 55m

Castries Hewanorra

Wed 28/1

16:40-21:40

1 stop25h 00m

£693

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 17/11

08:05-14:57

1 stop34h 52m

Castries Hewanorra

Tue 25/11

17:01-21:40

1 stop24h 39m

£700

LondonCastries

LCY - UVF

LCYUVF

London City

Thu 29/1

09:20-15:05

2 stops33h 45m

Castries Hewanorra

Fri 6/2

16:25-13:15

2 stops40h 50m

£1,223

LondonCastries

LCY - UVF

LCYUVF

London City

Wed 1/4

10:00-14:04

2 stops33h 04m

Castries Hewanorra

Wed 15/4

15:20-07:15

2 stops34h 55m

£1,250

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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 November is, on average, the cheapest month to fly to Saint Lucia from United Kingdom, with most prices found around £505. If you don’t want to visit Saint Lucia in November, then you should wait until March to fly from United Kingdom, when ticket prices are also cheap, with an average price of £512.

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 £523. 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 £683.

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 2% 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	£588
Fastest flight time	8h 50m
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 £588. The best return flight deal from United Kingdom to Saint Lucia found on momondo in the last 72 hours is £677.

The fastest flight from United Kingdom to Saint Lucia takes 8h 50m

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 November 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 98.02% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 0.42%, Airbus A350-1000 at 0.42%, and Airbus A330-300 at 0.42%.

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 £289	Free Cancellation	Rating 0.0 0 reviews	Search TUI Airways flights
Virgin Atlantic	PriceFrom £391	Free Cancellation	Rating 7.5 671 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom £435	Free Cancellation	Rating 6.7 7,495 reviews	Search British Airways flights
Air Canada	PriceFrom £530	Free Cancellation	Rating 7.1 10,400 reviews	Search Air Canada flights
Finnair	PriceFrom £600	Free Cancellation	Rating 7.6 1,335 reviews	Search Finnair flights
KLM	PriceFrom £697	Free Cancellation	Rating 7.7 1,405 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

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Popular Cities in Saint Lucia

Flights to Castriesfrom £687

Cheap flights from the United Kingdom to Saint Lucia from £412

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 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

Filter for what you want

Filter for what you want

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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 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?

You could potentially save up to 2% on your flight if you consider stops on a United Kingdom to Saint Lucia flight.

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

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

Which airlines fly to Saint Lucia?

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

As of November 2025, 1 flights take off from United Kingdom and land in Saint Lucia each day. The most common flight departure time for this route is 10:00, with 100% of daily flights taking off at midday.

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

7 flights are operational weekly from United Kingdom to Saint Lucia as of November 2025. The most popular departure day for this route is Mon, with 29% of flights per week taking off on this day.

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

On average, it takes 19h 24m 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 Edinburgh and into Castries, then the flight time is around 31h 54m.

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