Which airline has the best punctuality record on London to Saint Lucia flights?

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

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

The number of flights available between London and Saint Lucia is 14 per week as of January 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

As of January 2026, there are 2 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.

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.

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 87% 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 KLM 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 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 128 minutes.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

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 January 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.

£275 Cheap Flights from London to Saint Lucia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

10:05 - 15:10

LGW

UVF

9h 05mdirect

22:05 - 10:20

UVF

LGW

8h 15mdirect

£598British Airways

Wed, 18 Mar - Mon, 23 Mar

10:05 - 15:10

LGW

UVF

9h 05mdirect

22:05 - 10:20

UVF

LGW

8h 15mdirect

£605British Airways

Wed, 18 Mar - Mon, 23 Mar

08:05 - 16:01

LHR

UVF

35h 56m

1 stop

15:49 - 21:40

UVF

LHR

25h 51m

1 stop

£624JetBlue

Mon, 2 Mar - Wed, 25 Mar

12:20 - 16:01

LHR

UVF

31h 41m

1 stop

16:23 - 21:40

UVF

LHR

25h 17m

1 stop

£632JetBlue

Wed, 4 Mar - Tue, 10 Mar

13:45 - 16:25

LHR

UVF

54h 40m

2 stops

16:20 - 11:20

UVF

LHR

15h 00m

1 stop

£634Air Canada

Mon, 2 Mar - Wed, 25 Mar

13:45 - 16:25

LHR

UVF

54h 40m

2 stops

16:20 - 07:10

UVF

LHR

34h 50m

2 stops

£636Air Canada

Mon, 2 Mar - Wed, 25 Mar

09:20 - 18:25

LHR

SLU

14h 05m

1 stop

15:45 - 09:20

SLU

LHR

12h 35m

1 stop

£685Multiple Airlines

Mon, 11 May - Thu, 14 May

08:00 - 19:00

LHR

SLU

15h 00m

1 stop

12:35 - 05:25

SLU

LHR

12h 50m

1 stop

£699Multiple Airlines

Wed, 25 Feb - Wed, 11 Mar

14:45 - 14:27

LCY

UVF

28h 42m

2 stops

14:24 - 17:30

UVF

LCY

22h 06m

2 stops

£1,000Aer Lingus

Mon, 11 May - Thu, 21 May

09:10 - 14:27

LCY

UVF

34h 17m

2 stops

14:24 - 17:30

UVF

LCY

22h 06m

2 stops

£1,005Aer Lingus

Mon, 11 May - Thu, 21 May

British Airways flights from London to Saint Lucia

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

British Airways

18 Mar

LGW10:05London Gatwick

9h 05m

UVF15:10Castries Hewanorra

23 Mar

UVF22:05Castries Hewanorra

8h 15m

LGW10:20London Gatwick

£598

British Airways

18 Mar

LGW10:05London Gatwick

9h 05m

UVF15:10Castries Hewanorra

23 Mar

UVF22:05Castries Hewanorra

8h 15m

LGW10:20London Gatwick

£605

British Airways

3 May

LGW11:15London Gatwick

8h 50m

UVF15:05Castries Hewanorra

18 May

UVF22:05Castries Hewanorra

8h 20m

LGW11:25London Gatwick

£606

WestJet flights from London to Saint Lucia

Our best WestJet deals on London to Saint Lucia flight tickets

WestJet

29 Apr

LGW11:00London Gatwick

31h 40m

2 stops

UVF13:40Castries Hewanorra

14 May

UVF14:30Castries Hewanorra

37h 35m

2 stops

LGW09:05London Gatwick

£845

WestJet

30 May

LGW11:00London Gatwick

31h 40m

2 stops

UVF13:40Castries Hewanorra

11 Jun

UVF14:30Castries Hewanorra

37h 35m

2 stops

LGW09:05London Gatwick

£864

Fly from

Fly to

Route

Depart

Return

Price

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 18/3

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Mon 23/3

22:05-10:20

Nonstop8h 15m

£598

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Wed 18/3

10:05-15:10

Nonstop9h 05m

Castries Hewanorra

Mon 23/3

22:05-10:20

Nonstop8h 15m

£605

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 2/3

08:05-16:01

1 stop35h 56m

Castries Hewanorra

Wed 25/3

15:49-21:40

1 stop25h 51m

£624

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Wed 4/3

12:20-16:01

1 stop31h 41m

Castries Hewanorra

Tue 10/3

16:23-21:40

1 stop25h 17m

£632

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 2/3

13:45-16:25

2 stops54h 40m

Castries Hewanorra

Wed 25/3

16:20-11:20

1 stop15h 00m

£634

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 2/3

13:45-16:25

2 stops54h 40m

Castries Hewanorra

Wed 25/3

16:20-07:10

2 stops34h 50m

£636

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Mon 11/5

09:20-18:25

1 stop14h 05m

Castries George F. L. Charle

Thu 14/5

15:45-09:20

1 stop12h 35m

£685

LondonCastries

LHR - SLU

LHRSLU

London Heathrow

Wed 25/2

08:00-19:00

1 stop15h 00m

Castries George F. L. Charle

Wed 11/3

12:35-05:25

1 stop12h 50m

£699

LondonCastries

LCY - UVF

LCYUVF

London City

Mon 11/5

14:45-14:27

2 stops28h 42m

Castries Hewanorra

Thu 21/5

14:24-17:30

2 stops22h 06m

£1,000

LondonCastries

LCY - UVF

LCYUVF

London City

Mon 11/5

09:10-14:27

2 stops34h 17m

Castries Hewanorra

Thu 21/5

14:24-17:30

2 stops22h 06m

£1,005

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 November is, on average, the cheapest month to fly to Saint Lucia from London, with most prices found around £481. If you don’t want to visit Saint Lucia in November, then you should wait until March to fly from London, when ticket prices are also cheap, with an average price of £487.

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?

You could potentially save up to 21% on your flight if you consider stops on a London to Saint Lucia flight.

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	£467
Fastest flight time	8h 50m
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 £467. The best return flight deal from London to Saint Lucia found on momondo in the last 72 hours is £587.

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

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

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 January 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 (97.55% of total bookings). The next most popular plane models are Airbus A350-1000 (0.46%), Airbus A330-300 (0.46%), and Airbus A350-900 (0.46%).

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 £275	Free Cancellation	Rating 0.0 0 reviews	Search TUI Airways flights
Virgin Atlantic	PriceFrom £331	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom £447	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights
Air Canada	PriceFrom £504	Free Cancellation	Rating 7.1 10,667 reviews	Search Air Canada flights
Finnair	PriceFrom £572	Free Cancellation	Rating 7.6 1,356 reviews	Search Finnair flights
KLM	PriceFrom £1,044	Free Cancellation	Rating 7.7 1,443 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 28/2

Sat 7/3

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Popular Cities in Saint Lucia

Flights to Castriesfrom £647

Cheap flights from London to Saint Lucia from £325

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 9/6. 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

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London to Saint Lucia

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

British Airways flights from London to Saint Lucia

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

WestJet flights from London to Saint Lucia

Our best WestJet deals on London to Saint Lucia flight tickets

momondo Fare Finder

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

What is the cheapest month to fly 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?

You could potentially save up to 21% on your flight if you consider stops on a London to Saint Lucia flight.

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

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

Which airlines fly to Saint Lucia?

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 128 minutes.

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.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Saint Lucia flights?

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

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

As of January 2026, there are 2 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.

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

The number of flights available between London and Saint Lucia is 14 per week as of January 2026. The most frequent departure day is Mon, with 14% 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