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. Tuesday has historically seen more delays on average compared to the rest of the week.

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

British Airways, WestJet, and JetBlue 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 week?

6 flights are operational weekly from United Kingdom to Saint Lucia as of December 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

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 84% 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.

Which airline has the best punctuality record on the United Kingdom 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 long is the flight from United Kingdom to Saint Lucia?

On average, it takes 17h 29m 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 Manchester and into Castries, then the flight time is around 27h 24m.

What is the most punctual flight time for the United Kingdom 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.

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 December 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.

£343 Cheap Flights from the United Kingdom to Saint Lucia in 2025/26

Q: How often are flights from the United Kingdom to Saint Lucia delayed?

Historically, on average around 23% of flights between United Kingdom and Saint Lucia have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

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Find the cheapest flights from the United Kingdom to Saint Lucia

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One-way

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Recent return flight deals from the United Kingdom to Saint Lucia

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09:00 - 15:20

EDI

UVF

35h 20m1 stop

16:20 - 07:20

UVF

EDI

34h 00m1 stop

£649Air Canada

Sun, 19 Apr - Wed, 29 Apr

06:10 - 15:20

EDI

UVF

38h 10m2 stops

16:20 - 07:20

UVF

EDI

34h 00m1 stop

£654Multiple Airlines

Sun, 19 Apr - Wed, 29 Apr

06:05 - 15:20

MAN

UVF

38h 15m2 stops

15:15 - 10:25

UVF

MAN

38h 10m2 stops

£685Air Canada

Tue, 28 Apr - Tue, 5 May

11:15 - 15:05

LGW

UVF

8h 50mdirect

22:05 - 11:25

UVF

LGW

8h 20mdirect

£686British Airways

Mon, 11 May - Thu, 21 May

12:20 - 15:15

LHR

UVF

30h 55m1 stop

16:51 - 20:45

UVF

LHR

23h 54m1 stop

£686JetBlue

Thu, 5 Feb - Thu, 12 Feb

11:15 - 15:05

LGW

UVF

8h 50mdirect

22:05 - 11:25

UVF

LGW

8h 20mdirect

£687British Airways

Mon, 11 May - Thu, 21 May

12:30 - 13:46

LGW

UVF

29h 16m2 stops

17:00 - 09:00

UVF

LGW

36h 00m2 stops

£690American Airlines

Sat, 31 Jan - Sun, 15 Feb

14:00 - 13:50

LGW

UVF

52h 50m2 stops

15:35 - 10:40

UVF

LGW

38h 05m2 stops

£692American Airlines

Mon, 27 Apr - Tue, 5 May

20:05 - 15:05

LCY

UVF

47h 00m2 stops

16:25 - 19:35

UVF

LCY

23h 10m2 stops

£1,185KLM

Tue, 20 Jan - Tue, 3 Feb

20:05 - 15:05

LCY

UVF

47h 00m2 stops

16:25 - 19:35

UVF

LCY

23h 10m2 stops

£1,204KLM

Tue, 3 Feb - Thu, 12 Feb

Air Canada flights from United Kingdom to Saint Lucia

Our best Air Canada deals on United Kingdom to Saint Lucia flight tickets

Air Canada

19 Apr

EDI09:00Edinburgh Turnhouse

35h 20m

1 stop

UVF15:20Castries Hewanorra

29 Apr

UVF16:20Castries Hewanorra

34h 00m

1 stop

EDI07:20Edinburgh Turnhouse

£649

Find similar

Air Canada

28 Apr

MAN06:05Manchester

38h 15m

2 stops

UVF15:20Castries Hewanorra

5 May

UVF15:15Castries Hewanorra

38h 10m

2 stops

MAN10:25Manchester

£685

Find similar

Air Canada

4 Mar

LHR13:00London Heathrow

31h 25m

1 stop

UVF16:25Castries Hewanorra

12 Mar

UVF16:15Castries Hewanorra

34h 15m

1 stop

LHR06:30London Heathrow

£687

Find similar

JetBlue flights from United Kingdom to Saint Lucia

Our best JetBlue deals on United Kingdom to Saint Lucia flight tickets

JetBlue

5 Feb

LHR12:20London Heathrow

30h 55m

1 stop

UVF15:15Castries Hewanorra

12 Feb

UVF16:51Castries Hewanorra

23h 54m

1 stop

LHR20:45London Heathrow

£686

Find similar

JetBlue

11 Jan

LHR07:45London Heathrow

36h 40m

1 stop

UVF16:25Castries Hewanorra

17 Mar

UVF15:48Castries Hewanorra

25h 52m

1 stop

LHR21:40London Heathrow

£731

Find similar

JetBlue

20 Apr

LHR11:55London Heathrow

31h 38m

1 stop

UVF14:33Castries Hewanorra

23 Apr

UVF15:56Castries Hewanorra

36h 34m

1 stop

LHR09:30London Heathrow

£756

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

EdinburghCastries

EDI - UVF

EDIUVF

Edinburgh Turnhouse

Sun 19/4

09:00-15:20

1 stop35h 20m

Castries Hewanorra

Wed 29/4

16:20-07:20

1 stop34h 00m

£649

EdinburghCastries

EDI - UVF

EDIUVF

Edinburgh Turnhouse

Sun 19/4

06:10-15:20

2 stops38h 10m

Castries Hewanorra

Wed 29/4

16:20-07:20

1 stop34h 00m

£654

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Tue 28/4

06:05-15:20

2 stops38h 15m

Castries Hewanorra

Tue 5/5

15:15-10:25

2 stops38h 10m

£685

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 11/5

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Thu 21/5

22:05-11:25

Nonstop8h 20m

£686

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 5/2

12:20-15:15

1 stop30h 55m

Castries Hewanorra

Thu 12/2

16:51-20:45

1 stop23h 54m

£686

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 11/5

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Thu 21/5

22:05-11:25

Nonstop8h 20m

£687

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Sat 31/1

12:30-13:46

2 stops29h 16m

Castries Hewanorra

Sun 15/2

17:00-09:00

2 stops36h 00m

£690

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Mon 27/4

14:00-13:50

2 stops52h 50m

Castries Hewanorra

Tue 5/5

15:35-10:40

2 stops38h 05m

£692

LondonCastries

LCY - UVF

LCYUVF

London City

Tue 20/1

20:05-15:05

2 stops47h 00m

Castries Hewanorra

Tue 3/2

16:25-19:35

2 stops23h 10m

£1,185

LondonCastries

LCY - UVF

LCYUVF

London City

Tue 3/2

20:05-15:05

2 stops47h 00m

Castries Hewanorra

Thu 12/2

16:25-19:35

2 stops23h 10m

£1,204

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 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

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 United Kingdom, with most prices found around £494. 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 £500.

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 £512. 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 £668.

What is the cheapest United Kingdom to Saint Lucia flight route?

Fly from London Heathrow 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 13% 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	£490
Fastest flight time	8h 50m
Direct flights	Every day
Airports in Saint Lucia	7 airports

The best one-way flight to Saint Lucia from United Kingdom in the past 72 hours is £490. The best return flight deal from United Kingdom to Saint Lucia found on momondo in the last 72 hours is £643.

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

Direct flights go from United Kingdom to Saint Lucia every day.

There are 7 airports in Saint Lucia. From United Kingdom there are direct flights to 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 December 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 97.22% of all bookings. The subsequent popular models are Airbus A350-1000 at 0.52%, Airbus A330-300 at 0.52%, and Airbus A350-900 at 0.52%.

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 £282	Free Cancellation	Rating 0.0 0 reviews	Search TUI Airways flights
Virgin Atlantic	PriceFrom £372	Free Cancellation	Rating 7.5 677 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom £450	Free Cancellation	Rating 6.7 7,605 reviews	Search British Airways flights
Air Canada	PriceFrom £518	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Finnair	PriceFrom £587	Free Cancellation	Rating 7.6 1,339 reviews	Search Finnair flights
KLM	PriceFrom £682	Free Cancellation	Rating 7.7 1,434 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

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 £651

Cheap flights from the United Kingdom to Saint Lucia from £343

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 20/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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Air Canada flights from United Kingdom to Saint Lucia

Our best Air Canada deals on United Kingdom to Saint Lucia flight tickets

JetBlue flights from United Kingdom to Saint Lucia

Our best JetBlue 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

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 Heathrow 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 13% 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?

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

Which airlines fly to Saint Lucia?

How often are flights from the United Kingdom to Saint Lucia delayed?

Historically, on average around 23% of flights between United Kingdom and Saint Lucia have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

What is the most punctual flight time for the United Kingdom 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?

Friday 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 the United Kingdom 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 United Kingdom to Saint Lucia on average per week?

6 flights are operational weekly from United Kingdom to Saint Lucia as of December 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

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

On average, it takes 17h 29m 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 Manchester and into Castries, then the flight time is around 27h 24m.

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