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 22% of their flights experiencing any sort of delay.

How often are flights from London to Saint Lucia delayed?

Historically, on average around 23% 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 115 minutes.

Which airlines fly to Saint Lucia?

British Airways, Air Canada and KLM 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 93% 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 day of the week experiences the fewest flight delays on this route?

Saturday 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.

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

The number of flights available between London and Saint Lucia is 6 per week as of June 2026. The most frequent departure day is Tue, with 33% of weekly flights leaving on this day.

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

JetBlue is the most popular carrier operating from London to Saint Lucia

What is the most punctual flight time for London 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.

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 June 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.

£368 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.

12:30 - 17:35

LGW

UVF

9h 05mdirect

19:20 - 07:35

UVF

LGW

8h 15mdirect

£608British Airways

Sat, 7 Nov - Mon, 7 Dec

11:15 - 15:05

LGW

UVF

8h 50mdirect

20:50 - 10:10

UVF

LGW

8h 20mdirect

£614British Airways

Fri, 3 Jul - Fri, 10 Jul

11:15 - 15:05

LGW

UVF

8h 50mdirect

20:50 - 10:10

UVF

LGW

8h 20mdirect

£616British Airways

Fri, 3 Jul - Fri, 10 Jul

11:15 - 15:05

LGW

UVF

8h 50mdirect

20:50 - 10:10

UVF

LGW

8h 20mdirect

£617British Airways

Fri, 3 Jul - Fri, 10 Jul

10:05 - 19:00

LGW

SLU

12h 55m

1 stop

15:45 - 09:05

SLU

LGW

13h 20m

1 stop

£629Multiple Airlines

Wed, 11 Nov - Wed, 18 Nov

10:05 - 19:00

LGW

SLU

12h 55m

1 stop

15:45 - 10:25

SLU

LGW

14h 40m

1 stop

£629Multiple Airlines

Thu, 12 Nov - Thu, 26 Nov

09:00 - 16:25

LHR

UVF

35h 25m

2 stops

17:25 - 08:30

UVF

LHR

35h 05m

1 stop

£702Air Canada

Thu, 12 Nov - Thu, 26 Nov

09:00 - 16:25

LHR

UVF

35h 25m

2 stops

17:25 - 07:10

UVF

LHR

33h 45m

2 stops

£702Air Canada

Thu, 12 Nov - Thu, 26 Nov

09:20 - 14:08

LCY

UVF

57h 48m

2 stops

15:41 - 11:40

UVF

LCY

38h 59m

2 stops

£828Delta

Wed, 23 Sep - Thu, 8 Oct

09:40 - 14:14

LCY

UVF

33h 34m

2 stops

15:33 - 16:40

UVF

LCY

20h 07m

2 stops

£831Delta

Mon, 31 Aug - Wed, 9 Sep

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Delta flights from London to Saint Lucia

Our best Delta deals on London to Saint Lucia flight tickets

Delta

5 Oct

LHR16:20London Heathrow

27h 06m

2 stops

UVF14:26Castries Hewanorra

12 Oct

UVF15:41Castries Hewanorra

16h 34m

1 stop

LHR13:15London Heathrow

£732

Delta

31 Aug

LHR15:15London Heathrow

27h 59m

1 stop

UVF14:14Castries Hewanorra

16 Sept

UVF15:33Castries Hewanorra

16h 42m

1 stop

LHR13:15London Heathrow

£733

Delta

31 Aug

LHR11:45London Heathrow

31h 29m

2 stops

UVF14:14Castries Hewanorra

9 Sept

UVF15:33Castries Hewanorra

34h 12m

2 stops

LHR06:45London Heathrow

£734

British Airways flights from London to Saint Lucia

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

British Airways

7 Nov

LGW12:30London Gatwick

9h 05m

UVF17:35Castries Hewanorra

7 Dec

UVF19:20Castries Hewanorra

8h 15m

LGW07:35London Gatwick

£608

British Airways

19 Jun

LGW11:15London Gatwick

8h 50m

UVF15:05Castries Hewanorra

3 Jul

UVF20:50Castries Hewanorra

8h 20m

LGW10:10London Gatwick

£610

British Airways

16 Jun

LGW11:15London Gatwick

8h 50m

UVF15:05Castries Hewanorra

23 Jun

UVF20:30Castries Hewanorra

8h 20m

LGW09:50London Gatwick

£614

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 7/11

12:30-17:35

Nonstop9h 05m

Castries Hewanorra

Mon 7/12

19:20-07:35

Nonstop8h 15m

£608

Fastest return journey

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 3/7

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Fri 10/7

20:50-10:10

Nonstop8h 20m

£614

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 3/7

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Fri 10/7

20:50-10:10

Nonstop8h 20m

£616

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Fri 3/7

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Fri 10/7

20:50-10:10

Nonstop8h 20m

£617

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Wed 11/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Wed 18/11

15:45-09:05

1 stop13h 20m

£629

LondonCastries

LGW - SLU

LGWSLU

London Gatwick

Thu 12/11

10:05-19:00

1 stop12h 55m

Castries George F. L. Charle

Thu 26/11

15:45-10:25

1 stop14h 40m

£629

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 12/11

09:00-16:25

2 stops35h 25m

Castries Hewanorra

Thu 26/11

17:25-08:30

1 stop35h 05m

£702

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 12/11

09:00-16:25

2 stops35h 25m

Castries Hewanorra

Thu 26/11

17:25-07:10

2 stops33h 45m

£702

LondonCastries

LCY - UVF

LCYUVF

London City

Wed 23/9

09:20-14:08

2 stops57h 48m

Castries Hewanorra

Thu 8/10

15:41-11:40

2 stops38h 59m

£828

LondonCastries

LCY - UVF

LCYUVF

London City

Mon 31/8

09:40-14:14

2 stops33h 34m

Castries Hewanorra

Wed 9/9

15:33-16:40

2 stops20h 07m

£831

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 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 £306. If you don’t want to visit Saint Lucia in September, then you should wait until April to fly from London, when ticket prices are also cheap, with an average price of £319.

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.

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	£491
Fastest flight time	8h 45m
Direct flights	Every day
Airports in Saint Lucia	7 airports

The best one-way flight to Saint Lucia from London in the past 72 hours is £491. The best return flight deal from London to Saint Lucia found on momondo in the last 72 hours is £611.

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

Direct flights go from London to Saint Lucia every day.

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

Search flight deals

Frequently asked questions about flying 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 June 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 (98.06% of total bookings). The next most popular plane models are Airbus A330-300 (0.54%), Airbus A350-1000 (0.32%), and Airbus A350-900 (0.32%).

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 £502	Free Cancellation	Rating 6.7 8,047 reviews	Search British Airways flights
JetBlue	PriceFrom £535	Free Cancellation	Rating 7.1 2,980 reviews	Search JetBlue flights
Air Canada	PriceFrom £637	Free Cancellation	Rating 7.1 11,172 reviews	Search Air Canada flights
Finnair	PriceFrom £693	Free Cancellation	Rating 7.7 1,407 reviews	Search Finnair flights
American Airlines	PriceFrom £709	Free Cancellation	Rating 7.1 11,648 reviews	Search American Airlines flights
KLM	PriceFrom £1,161	Free Cancellation	Rating 7.8 1,527 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.

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Flights to Castriesfrom £629

Cheap flights from London to Saint Lucia from £368

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 24/7. 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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Delta flights from London to Saint Lucia

Our best Delta deals on London to Saint Lucia flight tickets

British Airways flights from London to Saint Lucia

Our best British Airways 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 month to fly 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 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

Frequently asked questions about flying 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?

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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Saint Lucia flight routes

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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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