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

The number of flights available between London and Saint Lucia is 3 per week as of September 2025. The most frequent departure day is Mon, with 67% of weekly flights leaving on this day.

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 London according to our data. British Airways is the first choice among our users, with 78% 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.

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

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

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

Prices for flights from London to Saint Lucia are refreshed on a daily basis.

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

The number of operators available for flights from London to Saint Lucia is 6 as of September 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Saint Lucia.

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

The travel and health documents required for your trip to Saint Lucia 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 Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£279 Cheap Flights from London to Saint Lucia in 2025/26

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Find the cheapest flights from London to Saint Lucia

Round-trip

One-way

Last minute

Direct

Cheap return flights

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

Find Deal

Wed, 4 Mar - Wed, 11 Mar

11:20 - 14:35LGW-UVF

31h 15m2 stops

15:50 - 07:30UVF-LGW

35h 40m2 stops

£688American Airlines

Find Deal

Tue, 3 Mar - Thu, 12 Mar

12:10 - 13:56LHR-UVF

29h 46m1 stop

16:52 - 06:50UVF-LHR

33h 58m1 stop

£706American Airlines

Find Deal

Sun, 26 Oct - Tue, 4 Nov

07:45 - 14:04LCY-UVF

34h 19m2 stops

15:24 - 07:15UVF-LCY

35h 51m2 stops

£1,174KLM

Find Deal

Mon, 9 Mar - Mon, 16 Mar

10:00 - 14:26LCY-UVF

57h 26m2 stops

15:41 - 17:20UVF-LCY

20h 39m2 stops

£1,290KLM

Find Deal

Wed, 8 Oct - Thu, 16 Oct

British Airways flights from London to Saint Lucia

Our best British Airways deals on London 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 London to Saint Lucia

Our best American Airlines deals on London 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

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

LondonCastries

LCY - UVF

LCYUVF

London City

Mon 9/3

07:45-14:04

2 stops34h 19m

Castries Hewanorra

Mon 16/3

15:24-07:15

2 stops35h 51m

£1,174

LondonCastries

LCY - UVF

LCYUVF

London City

Wed 8/10

10:00-14:26

2 stops57h 26m

Castries Hewanorra

Thu 16/10

15:41-17:20

2 stops20h 39m

£1,290

Flights are sorted by cheapest return flights first.

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How to get the cheapest flight ticket from London 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 London, 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 London, 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 London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £660.

What is the cheapest London to Saint Lucia flight route?

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

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

There are 3 cabin classes available to choose from on London 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 London to Saint Lucia flights?

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

Cheap London to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London 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 London in the past 72 hours is £512. The best return flight deal from London to Saint Lucia found on momondo in the last 72 hours is £549.

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

Direct flights go from London 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 London to Saint Lucia?
Prices for flights from London to Saint Lucia are refreshed on a daily basis.
How many operators does momondo search for flights from London to Saint Lucia?
The number of operators available for flights from London to Saint Lucia is 6 as of September 2025.
How old do you have to be to fly from London to Saint Lucia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents required for your trip to Saint Lucia 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 Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London to Saint Lucia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Saint Lucia is Boeing 777 (97.80% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (0.41%), Airbus A350-1000 (0.41%), and Airbus A330-300 (0.41%).

Best airlines flying from London to Saint Lucia

Compare and see reviews for airlines that fly from London 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 London to Saint Lucia?

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

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

Yes. momondo allows you to filter the results for London to Saint Lucia flights to just show those with flexible booking policies.

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

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 London to Saint Lucia.

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

If you are not ready to book a flight from London to Saint Lucia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Lucia and let you know when they 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.

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Popular Cities in Saint Lucia

Flights to Castriesfrom £637

Cheap flights from London 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 London 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

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Filter for what you want

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Find the cheapest flights from London to Saint Lucia

Cheap return flights

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British Airways flights from London to Saint Lucia

Our best British Airways deals on London to Saint Lucia flight tickets

American Airlines flights from London to Saint Lucia

Our best American Airlines deals on London to Saint Lucia flight tickets

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

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from London 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 London to Saint Lucia flight route?

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

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

There are 3 cabin classes available to choose from on London 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 London to Saint Lucia flights?

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

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

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

Which airlines fly to Saint Lucia?

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

The number of flights available between London and Saint Lucia is 3 per week as of September 2025. The most frequent departure day is Mon, with 67% of weekly flights leaving on this day.

Cheap London to Saint Lucia flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Saint Lucia

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

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

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

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

What is the most popular plane model from London to Saint Lucia?

Best airlines flying from London to Saint Lucia

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

Why use momondo?

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

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

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

I’m not ready to book a flight from London 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