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, Finnair and Air Canada 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 90% of people opting to fly with this airline when travelling to Saint Lucia. Keep in mind that there are 4 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?

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

How often are flights from London to Saint Lucia delayed?

Historically, on average around 22% of flights between London and Saint Lucia have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

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

As of March 2026, there are 1 flights per day flying from London to Saint Lucia. The most common time of day flights depart is 10:00, with 100% of flights taking off at midday.

Which airline has the best punctuality record on London 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 21% of their flights experiencing any sort of delay.

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

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

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

The number of flights available between London and Saint Lucia is 13 per week as of March 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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 5 as of March 2026.

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.

£408 Cheap Flights from London to Saint Lucia in 2026

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Find the cheapest flights from London to Saint Lucia

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

11:15 - 15:10

LGW

UVF

8h 55mdirect

20:30 - 09:50

UVF

LGW

8h 20mdirect

£639British Airways

Sun, 31 May - Sun, 14 Jun

11:15 - 15:05

LGW

UVF

8h 50mdirect

20:50 - 10:10

UVF

LGW

8h 20mdirect

£652British Airways

Fri, 19 Jun - Fri, 10 Jul

11:15 - 15:10

LGW

UVF

8h 55mdirect

20:55 - 10:10

UVF

LGW

8h 15mdirect

£669British Airways

Tue, 12 May - Fri, 22 May

11:55 - 14:27

LHR

UVF

31h 32m

1 stop

16:41 - 20:45

UVF

LHR

23h 04m

1 stop

£688JetBlue

Tue, 12 May - Thu, 21 May

11:55 - 14:27

LHR

UVF

31h 32m

1 stop

13:50 - 20:45

UVF

LHR

25h 55m

1 stop

£694JetBlue

Mon, 11 May - Thu, 21 May

16:50 - 13:58

LHR

UVF

26h 08m

2 stops

15:18 - 06:45

UVF

LHR

34h 27m

2 stops

£727Delta

Mon, 30 Mar - Mon, 6 Apr

11:00 - 13:45

LHR

UVF

31h 45m

2 stops

14:45 - 06:25

UVF

LHR

34h 40m

2 stops

£737American Airlines

Mon, 13 Apr - Tue, 21 Apr

08:40 - 13:58

LCY

UVF

33h 18m

2 stops

15:18 - 09:30

UVF

LCY

37h 12m

2 stops

£1,056Delta

Wed, 25 Mar - Sun, 5 Apr

08:25 - 14:05

LCY

UVF

34h 40m

2 stops

15:25 - 16:40

UVF

LCY

20h 15m

2 stops

£1,234KLM

Thu, 7 May - Thu, 14 May

19:00 - 14:02

LCY

UVF

48h 02m

2 stops

15:25 - 18:30

UVF

LCY

22h 05m

2 stops

£1,298KLM

Wed, 29 Apr - Wed, 13 May

British Airways flights from London to Saint Lucia

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

British Airways

31 May

LGW11:15London Gatwick

8h 55m

UVF15:10Castries Hewanorra

14 Jun

UVF20:30Castries Hewanorra

8h 20m

LGW09:50London Gatwick

£639

British Airways

19 Jun

LGW11:15London Gatwick

8h 50m

UVF15:05Castries Hewanorra

10 Jul

UVF20:50Castries Hewanorra

8h 20m

LGW10:10London Gatwick

£652

British Airways

12 May

LGW11:15London Gatwick

8h 55m

UVF15:10Castries Hewanorra

22 May

UVF20:55Castries Hewanorra

8h 15m

LGW10:10London Gatwick

£669

JetBlue flights from London to Saint Lucia

Our best JetBlue deals on London to Saint Lucia flight tickets

JetBlue

12 May

LHR11:55London Heathrow

31h 32m

1 stop

UVF14:27Castries Hewanorra

21 May

UVF16:41Castries Hewanorra

23h 04m

1 stop

LHR20:45London Heathrow

£688

JetBlue

11 May

LHR11:55London Heathrow

31h 32m

1 stop

UVF14:27Castries Hewanorra

21 May

UVF13:50Castries Hewanorra

25h 55m

1 stop

LHR20:45London Heathrow

£694

JetBlue

11 May

LHR11:55London Heathrow

31h 32m

1 stop

UVF14:27Castries Hewanorra

21 May

UVF13:50Castries Hewanorra

25h 55m

1 stop

LHR20:45London Heathrow

£695

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sun 31/5

11:15-15:10

Nonstop8h 55m

Castries Hewanorra

Sun 14/6

20:30-09:50

Nonstop8h 20m

£639

Fastest return journey

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 19/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Fri 10/7

20:50-10:10

Nonstop8h 20m

£652

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Tue 12/5

11:15-15:10

Nonstop8h 55m

Castries Hewanorra

Fri 22/5

20:55-10:10

Nonstop8h 15m

£669

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 12/5

11:55-14:27

1 stop31h 32m

Castries Hewanorra

Thu 21/5

16:41-20:45

1 stop23h 04m

£688

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 11/5

11:55-14:27

1 stop31h 32m

Castries Hewanorra

Thu 21/5

13:50-20:45

1 stop25h 55m

£694

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 30/3

16:50-13:58

2 stops26h 08m

Castries Hewanorra

Mon 6/4

15:18-06:45

2 stops34h 27m

£727

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 13/4

11:00-13:45

2 stops31h 45m

Castries Hewanorra

Tue 21/4

14:45-06:25

2 stops34h 40m

£737

LondonCastries

LCY - UVF

LCYUVF

London City

Wed 25/3

08:40-13:58

2 stops33h 18m

Castries Hewanorra

Sun 5/4

15:18-09:30

2 stops37h 12m

£1,056

LondonCastries

LCY - UVF

LCYUVF

London City

Thu 7/5

08:25-14:05

2 stops34h 40m

Castries Hewanorra

Thu 14/5

15:25-16:40

2 stops20h 15m

£1,234

LondonCastries

LCY - UVF

LCYUVF

London City

Wed 29/4

19:00-14:02

2 stops48h 02m

Castries Hewanorra

Wed 13/5

15:25-18:30

2 stops22h 05m

£1,298

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 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

Delays

Other information

What is the cheapest London to Saint Lucia flight route?

Fly from London Heathrow 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.

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	£513
Fastest flight time	8h 45m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Saint Lucia	7 airports

The best one-way flight to Saint Lucia from London in the past 72 hours is £513. The best return flight deal from London to Saint Lucia found on momondo in the last 72 hours is £660.

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

Direct flights go from London to Saint Lucia on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airline offering direct flights is British Airways..

There are 7 airports in Saint Lucia. From London there are direct flights to 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 5 as of March 2026.
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 (97.69% of total bookings). The next most popular plane models are Airbus A330-300 (0.64%), Airbus A350-1000 (0.39%), and Airbus A350-900 (0.39%).

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
British Airways	PriceFrom £495	Free Cancellation	Rating 6.7 7,794 reviews	Search British Airways flights
Air Canada	PriceFrom £541	Free Cancellation	Rating 7.1 10,806 reviews	Search Air Canada flights
Finnair	PriceFrom £712	Free Cancellation	Rating 7.6 1,371 reviews	Search Finnair flights
KLM	PriceFrom £1,089	Free Cancellation	Rating 7.8 1,472 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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Flights to Castriesfrom £810

Cheap flights from London to Saint Lucia from £408

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 25/4. 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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British Airways flights from London to Saint Lucia

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

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Our best JetBlue deals on London to Saint Lucia flight tickets

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See travel insights to Saint Lucia from

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

What is the cheapest London to Saint Lucia flight route?

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

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

Which airlines fly to Saint Lucia?

How often are flights from London to Saint Lucia delayed?

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

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

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

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

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?

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

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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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