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

As of September 2026, there are 2 flights per week flying from Saint Lucia to London. The most common day of the week flights depart is Mon, with 100% of flights taking off on this day.

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

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

When did momondo last update prices for flights from Saint Lucia to London?

Prices for flights from Saint Lucia to London are updated daily.

How many operators does momondo search for flights from Saint Lucia to London?

The number of operators available for flights from Saint Lucia to London is 1 as of September 2026.

How old do you have to be to fly from Saint Lucia to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint Lucia to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London 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 London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£291 Cheap Flights from Saint Lucia to London in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Saint Lucia to London

Return

One-way

Last minute

Direct

Recent return flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£726British Airways

Sat, 19 Dec - Thu, 31 Dec

17:32 - 20:55UVF Castries Hewanorra-LHR London Heathrow

23h 23m1 stop New York John F Kennedy Intl

12:20 - 16:12LHR London Heathrow-UVF Castries Hewanorra

31h 52m1 stop New York John F Kennedy Intl

£738JetBlue

Thu, 5 Nov - Thu, 12 Nov

17:32 - 20:55UVF Castries Hewanorra-LHR London Heathrow

23h 23m1 stop New York John F Kennedy Intl

07:25 - 16:12LHR London Heathrow-UVF Castries Hewanorra

36h 47m1 stop New York John F Kennedy Intl

£739JetBlue

Thu, 5 Nov - Thu, 12 Nov

16:32 - 21:40UVF Castries Hewanorra-LHR London Heathrow

25h 08m1 stop New York John F Kennedy Intl

12:20 - 16:12LHR London Heathrow-UVF Castries Hewanorra

31h 52m1 stop New York John F Kennedy Intl

£741JetBlue

Mon, 26 Oct - Mon, 2 Nov

17:32 - 20:55UVF Castries Hewanorra-LHR London Heathrow

23h 23m1 stop New York John F Kennedy Intl

07:25 - 16:12LHR London Heathrow-UVF Castries Hewanorra

36h 47m1 stop New York John F Kennedy Intl

£753JetBlue

Thu, 5 Nov - Thu, 12 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£762British Airways

Tue, 10 Nov - Tue, 24 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£766British Airways

Thu, 29 Oct - Tue, 3 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£768British Airways

Wed, 4 Nov - Tue, 24 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£771British Airways

Thu, 5 Nov - Thu, 12 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£772British Airways

Thu, 5 Nov - Thu, 12 Nov

Recent last minute flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

15:10 - 08:35UVF Castries Hewanorra-LHR London Heathrow

36h 25m2 stops Toronto Pearson Intl Ottawa

14:05 - 15:40LHR London Heathrow-UVF Castries Hewanorra

54h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

£848Air Canada

Fri, 25 Sep - Fri, 23 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£855British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£856British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£857British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£859British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£862British Airways

Fri, 25 Sep - Sat, 3 Oct

15:10 - 08:35UVF Castries Hewanorra-LHR London Heathrow

36h 25m2 stops Toronto Pearson Intl Ottawa

14:10 - 15:40LHR London Heathrow-UVF Castries Hewanorra

30h 30m2 stops Ottawa Toronto Pearson Intl

£865Air Canada

Fri, 25 Sep - Sat, 24 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£866British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£868British Airways

Fri, 25 Sep - Sat, 3 Oct

20:45 - 10:10UVF Castries Hewanorra-LGW London Gatwick

8h 25mdirect

11:15 - 15:05LGW London Gatwick-UVF Castries Hewanorra

8h 50mdirect

£873British Airways

Fri, 25 Sep - Sat, 3 Oct

Recent direct flight deals from Saint Lucia to London

Enter your travel dates to find the best prices.

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£726British Airways

Sat, 19 Dec - Thu, 31 Dec

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£762British Airways

Tue, 10 Nov - Tue, 24 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£766British Airways

Thu, 29 Oct - Tue, 3 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£768British Airways

Wed, 4 Nov - Tue, 24 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£771British Airways

Thu, 5 Nov - Thu, 12 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£772British Airways

Thu, 5 Nov - Thu, 12 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£775British Airways

Thu, 5 Nov - Thu, 12 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£775British Airways

Tue, 3 Nov - Tue, 10 Nov

19:20 - 07:35UVF Castries Hewanorra-LGW London Gatwick

8h 15mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£782British Airways

Thu, 29 Oct - Tue, 3 Nov

20:30 - 09:50UVF Castries Hewanorra-LGW London Gatwick

8h 20mdirect

12:30 - 17:35LGW London Gatwick-UVF Castries Hewanorra

9h 05mdirect

£786British Airways

Tue, 20 Oct - Tue, 24 Nov

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JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets

JetBlue

5 Nov

UVF17:32Castries Hewanorra

23h 23m

1 stop

LHR20:55London Heathrow

12 Nov

LHR12:20London Heathrow

31h 52m

1 stop

UVF16:12Castries Hewanorra

£738

JetBlue

5 Nov

UVF17:32Castries Hewanorra

23h 23m

1 stop

LHR20:55London Heathrow

12 Nov

LHR07:25London Heathrow

36h 47m

1 stop

UVF16:12Castries Hewanorra

£739

JetBlue

26 Oct

UVF16:32Castries Hewanorra

25h 08m

1 stop

LHR21:40London Heathrow

2 Nov

LHR12:20London Heathrow

31h 52m

1 stop

UVF16:12Castries Hewanorra

£741

WestJet flights from Saint Lucia to London

Our best WestJet deals on Saint Lucia to London flight tickets

WestJet

3 Nov

UVF15:55Castries Hewanorra

40h 55m

2 stops

LHR12:50London Heathrow

10 Nov

LHR14:50London Heathrow

52h 05m

2 stops

UVF14:55Castries Hewanorra

£895

WestJet

5 Nov

UVF15:55Castries Hewanorra

64h 55m

2 stops

LHR12:50London Heathrow

12 Nov

LHR14:50London Heathrow

52h 05m

2 stops

UVF14:55Castries Hewanorra

£919

WestJet

18 Oct

UVF14:30Castries Hewanorra

40h 35m

2 stops

LHR12:05London Heathrow

25 Oct

LHR14:50London Heathrow

51h 05m

2 stops

UVF13:55Castries Hewanorra

£920

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Sat 19/12

19:20-07:35

Nonstop8h 15m

London Gatwick

Thu 31/12

12:30-17:35

Nonstop9h 05m

£726

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Thu 5/11

17:32-20:55

1 stop23h 23m

London Heathrow

Thu 12/11

12:20-16:12

1 stop31h 52m

£738

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Thu 5/11

17:32-20:55

1 stop23h 23m

London Heathrow

Thu 12/11

07:25-16:12

1 stop36h 47m

£739

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Mon 26/10

16:32-21:40

1 stop25h 08m

London Heathrow

Mon 2/11

12:20-16:12

1 stop31h 52m

£741

CastriesLondon

UVF Castries Hewanorra - LHR London Heathrow

UVFLHR

Castries Hewanorra

Thu 5/11

17:32-20:55

1 stop23h 23m

London Heathrow

Thu 12/11

07:25-16:12

1 stop36h 47m

£753

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Tue 10/11

19:20-07:35

Nonstop8h 15m

London Gatwick

Tue 24/11

12:30-17:35

Nonstop9h 05m

£762

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Thu 29/10

19:20-07:35

Nonstop8h 15m

London Gatwick

Tue 3/11

12:30-17:35

Nonstop9h 05m

£766

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Wed 4/11

19:20-07:35

Nonstop8h 15m

London Gatwick

Tue 24/11

12:30-17:35

Nonstop9h 05m

£768

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Thu 5/11

19:20-07:35

Nonstop8h 15m

London Gatwick

Thu 12/11

12:30-17:35

Nonstop9h 05m

£771

CastriesLondon

UVF Castries Hewanorra - LGW London Gatwick

UVFLGW

Castries Hewanorra

Thu 5/11

19:20-07:35

Nonstop8h 15m

London Gatwick

Thu 12/11

12:30-17:35

Nonstop9h 05m

£772

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 Saint Lucia to London

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

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Saint Lucia is in September. Flight prices, which tend to average around £738, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Saint Lucia averaging around £788.

What is the cheapest Saint Lucia to London flight route?

Fly from Castries Hewanorra to London Gatwick for the best Saint Lucia - London flight prices

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

There are 3 cabin classes available to choose from on Saint Lucia to London 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 Saint Lucia to London flights?

You could potentially save up to 45% on your flight if you consider stops on a Saint Lucia to London flight.

Cheap Saint Lucia to London flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint Lucia to London

Best price found	£291
Fastest flight time	8h 15m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Saint Lucia in the past 72 hours is £291. The best return flight deal from Saint Lucia to London found on momondo in the last 72 hours is £726.

The fastest flight from Saint Lucia to London takes 8h 15m

Direct flights go from Saint Lucia to London every day.

There are 6 airports in London. From Saint Lucia there are direct flights to London Gatwick (LGW).

Search flight deals

Frequently asked questions about flying from Saint Lucia to London

When did momondo last update prices for flights from Saint Lucia to London?
Prices for flights from Saint Lucia to London are updated daily.
How many operators does momondo search for flights from Saint Lucia to London?
The number of operators available for flights from Saint Lucia to London is 1 as of September 2026.
How old do you have to be to fly from Saint Lucia to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint Lucia to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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 London. 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 Saint Lucia to London?
Based on momondo bookings for flights between Saint Lucia and London, the leading plane model is Boeing 777, making up 100.00% of the total bookings.

Best airlines flying from Saint Lucia to London

Compare and see reviews for airlines that fly from Saint Lucia to London with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £711	Free Cancellation	Rating 6.7 8,228 reviews		Search British Airways flights

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Saint Lucia to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Saint Lucia to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Saint Lucia to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Saint Lucia with this policy.

How can momondo help me find flights from Saint Lucia to London?

Once all potential Saint Lucia to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Saint Lucia to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Saint Lucia to London 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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Other United Kingdom destinations

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Fly into one of these airports located in London

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Cheap flights from Saint Lucia to London from £291

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Lucia to London departing on 18/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Saint Lucia to London

Recent return flight deals from Saint Lucia to London

Recent one-way flight deals from Saint Lucia to London

Recent last minute flight deals from Saint Lucia to London

Recent direct flight deals from Saint Lucia to London

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

JetBlue flights from Saint Lucia to London

Our best JetBlue deals on Saint Lucia to London flight tickets

WestJet flights from Saint Lucia to London

Our best WestJet deals on Saint Lucia to London flight tickets

momondo Fare Finder

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

See travel insights to London from

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

What is the cheapest month to fly to London?

What is the cheapest Saint Lucia to London flight route?

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

Can stopping save me money on Saint Lucia to London flights?

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

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

Cheap Saint Lucia to London flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in London

Frequently asked questions about flying from Saint Lucia to London

Best airlines flying from Saint Lucia to London

Compare and see reviews for airlines that fly from Saint Lucia to London with momondo

Travelling to a place near London?

Why use momondo?

An easier way to manage your London 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 the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

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

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Saint Lucia

According to popular flight searches on momondo this year

Complete your trip to London

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According to popular flight searches on momondo this year