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

On average, it takes 17h 48m 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 30h 02m.

Which airlines fly to Saint Lucia?

British Airways, Air Canada and Finnair 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 92% 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?

Thursday 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 United Kingdom to Saint Lucia on average per week?

2 flights are operational weekly from United Kingdom to Saint Lucia as of April 2026. The most popular departure day for this route is Thu, with 100% of flights per week taking off on this day.

Which airline has the best punctuality record on the United Kingdom 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 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 April 2026.

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.

£306 Cheap Flights from the United Kingdom to Saint Lucia in 2026

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

Historically, on average around 22% 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 114 minutes.

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Find the cheapest flights from the United Kingdom to Saint Lucia

Round-trip

One-way

Last minute

Direct

Recent return flight deals from the United Kingdom to Saint Lucia

Enter your travel dates to find the best prices.

11:15 - 15:05

LGW

UVF

8h 50mdirect

20:30 - 09:50

UVF

LGW

8h 20mdirect

£615British Airways

Thu, 18 Jun - Sat, 4 Jul

11:15 - 15:05

LGW

UVF

8h 50mdirect

20:50 - 10:10

UVF

LGW

8h 20mdirect

£618British Airways

Thu, 11 Jun - Fri, 19 Jun

08:15 - 15:35

LHR

UVF

36h 20m

1 stop

17:15 - 09:30

UVF

LHR

36h 15m

1 stop

£713JetBlue

Thu, 4 Jun - Tue, 17 Nov

08:30 - 14:05

LHR

UVF

34h 35m

1 stop

15:05 - 11:50

UVF

LHR

15h 45m

1 stop

£720Air Canada

Mon, 25 May - Fri, 5 Jun

14:10 - 14:10

LHR

UVF

29h 00m

1 stop

15:05 - 11:50

UVF

LHR

15h 45m

1 stop

£729Air Canada

Thu, 11 Jun - Fri, 19 Jun

12:15 - 13:50

LHR

UVF

30h 35m

1 stop

16:00 - 18:55

UVF

LHR

21h 55m

2 stops

£735American Airlines

Tue, 8 Sep - Tue, 15 Sep

14:00 - 14:26

MAN

UVF

29h 26m

2 stops

14:45 - 21:55

UVF

MAN

26h 10m

2 stops

£893American Airlines

Thu, 7 May - Thu, 14 May

12:10 - 15:35

EDI

UVF

32h 25m

1 stop

16:55 - 09:20

UVF

EDI

35h 25m

1 stop

£1,093JetBlue

Fri, 22 May - Fri, 29 May

13:00 - 14:05

MAN

UVF

30h 05m

1 stop

15:25 - 22:00

UVF

MAN

25h 35m

2 stops

£1,137KLM

Thu, 7 May - Thu, 14 May

08:25 - 14:02

LCY

UVF

34h 37m

2 stops

15:22 - 09:30

UVF

LCY

37h 08m

2 stops

£1,208KLM

Mon, 20 Apr - Mon, 27 Apr

KLM flights from United Kingdom to Saint Lucia

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

KLM

7 May

MAN13:00Manchester

30h 05m

1 stop

UVF14:05Castries Hewanorra

14 May

UVF15:25Castries Hewanorra

25h 35m

2 stops

MAN22:00Manchester

£1,137

KLM

20 Apr

LCY08:25London City

34h 37m

2 stops

UVF14:02Castries Hewanorra

27 Apr

UVF15:22Castries Hewanorra

37h 08m

2 stops

LCY09:30London City

£1,208

KLM

13 Apr

LCY20:15London City

46h 47m

2 stops

UVF14:02Castries Hewanorra

7 May

UVF15:25Castries Hewanorra

35h 30m

2 stops

LCY07:55London City

£1,264

British Airways flights from United Kingdom to Saint Lucia

Our best British Airways deals on United Kingdom to Saint Lucia flight tickets

British Airways

18 Jun

LGW11:15London Gatwick

8h 50m

UVF15:05Castries Hewanorra

4 Jul

UVF20:30Castries Hewanorra

8h 20m

LGW09:50London Gatwick

£615

British Airways

11 Jun

LGW11:15London Gatwick

8h 50m

UVF15:05Castries Hewanorra

19 Jun

UVF20:50Castries Hewanorra

8h 20m

LGW10:10London Gatwick

£618

British Airways

19 May

LGW11:15London Gatwick

8h 55m

UVF15:10Castries Hewanorra

7 Jun

UVF20:30Castries Hewanorra

8h 20m

LGW09:50London Gatwick

£627

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

Cheapest return flight

Fastest return journey

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 18/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Sat 4/7

20:30-09:50

Nonstop8h 20m

£615

LondonCastries

LGW - UVF

LGWUVF

London Gatwick

Thu 11/6

11:15-15:05

Nonstop8h 50m

Castries Hewanorra

Fri 19/6

20:50-10:10

Nonstop8h 20m

£618

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 4/6

08:15-15:35

1 stop36h 20m

Castries Hewanorra

Tue 17/11

17:15-09:30

1 stop36h 15m

£713

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Mon 25/5

08:30-14:05

1 stop34h 35m

Castries Hewanorra

Fri 5/6

15:05-11:50

1 stop15h 45m

£720

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Thu 11/6

14:10-14:10

1 stop29h 00m

Castries Hewanorra

Fri 19/6

15:05-11:50

1 stop15h 45m

£729

LondonCastries

LHR - UVF

LHRUVF

London Heathrow

Tue 8/9

12:15-13:50

1 stop30h 35m

Castries Hewanorra

Tue 15/9

16:00-18:55

2 stops21h 55m

£735

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Thu 7/5

14:00-14:26

2 stops29h 26m

Castries Hewanorra

Thu 14/5

14:45-21:55

2 stops26h 10m

£893

EdinburghCastries

EDI - UVF

EDIUVF

Edinburgh Turnhouse

Fri 22/5

12:10-15:35

1 stop32h 25m

Castries Hewanorra

Fri 29/5

16:55-09:20

1 stop35h 25m

£1,093

ManchesterCastries

MAN - UVF

MANUVF

Manchester

Thu 7/5

13:00-14:05

1 stop30h 05m

Castries Hewanorra

Thu 14/5

15:25-22:00

2 stops25h 35m

£1,137

LondonCastries

LCY - UVF

LCYUVF

London City

Mon 20/4

08:25-14:02

2 stops34h 37m

Castries Hewanorra

Mon 27/4

15:22-09:30

2 stops37h 08m

£1,208

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

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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 24% 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	£606
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 United Kingdom in the past 72 hours is £606. The best return flight deal from United Kingdom to Saint Lucia found on momondo in the last 72 hours is £675.

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

Direct flights go from United Kingdom to Saint Lucia on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

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

Search flight deals

Frequently asked questions about flying from the United Kingdom to Saint Lucia

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 April 2026.
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 97.88% of all bookings. The subsequent popular models are Airbus A330-300 at 0.59%, Airbus A350-1000 at 0.35%, and Airbus A350-900 at 0.35%.

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
British Airways	PriceFrom £492	Free Cancellation	Rating 6.7 7,865 reviews	Search British Airways flights
JetBlue	PriceFrom £534	Free Cancellation	Rating 7.2 2,925 reviews	Search JetBlue flights
Air Canada	PriceFrom £636	Free Cancellation	Rating 7.1 10,907 reviews	Search Air Canada flights
Finnair	PriceFrom £693	Free Cancellation	Rating 7.7 1,381 reviews	Search Finnair flights
American Airlines	PriceFrom £708	Free Cancellation	Rating 7.1 11,564 reviews	Search American Airlines flights
KLM	PriceFrom £1,160	Free Cancellation	Rating 7.7 1,492 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.

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Flights to Castriesfrom £824

Cheap flights from the United Kingdom to Saint Lucia from £306

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 19/4. 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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Recent return flight deals from the United Kingdom to Saint Lucia

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KLM flights from United Kingdom to Saint Lucia

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

British Airways flights from United Kingdom to Saint Lucia

Our best British Airways 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 United Kingdom to Saint Lucia flight route?

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

Can stopping save me money on United Kingdom to Saint Lucia flights?

Which airlines fly to Saint Lucia?

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

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

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

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

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

Frequently asked questions about flying from the 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?

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

United Kingdom flight routes

According to popular flight searches on momondo this year

Saint Lucia flight routes

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Fly your favourite airline to Saint Lucia

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List of cabin classes available on flights landing in Saint Lucia. Availability may vary depending on flight origin and airline.

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